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| Products | Manuals/Downloads/Documents | Certifications | Customer Service | |
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Bulletins
- Service, Instruction, Installation & Notification
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AM COMM | ||||
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WCS-300B | ||||
| WCS-300B-3 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB MODIFICATION TO PROVIDE CHANNEL SELECTABLE PTT | |
EFIS-II | ||||
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EFIS-II | ||||
| 150-045283 | 03/26/2003 | A | SERVICE BULLETIN WSB IDU-III-1 SOFTWARE UPDATE 4.0F, GPS/WAAS | |
| 150-045949 | 08/19/2003 | C | SERVICE BULLETIN WSB IDU-III-3 SOFTWARE UPDATE 4.0H | |
| 150-045435 | 08/19/2003 | A | SERVICE BULLETIN, WSB IDU-III-4 SOFTWARE UPDATE 4.0J | |
| 150-045286 | 08/22/2003 | A | SERVICE BULLETIN WSB IDU-III-5 SOFTWARE APPLICATION FOR FCC NUMBER 0 | |
| 150-045965 | 11/13/2003 | B | SERVICE BULLETIN, WSB IDU-III-7 (GPS REPLACEMENT) | |
| 150-045973 | 11/18/2003 | A | SERVICE BULLETIN, WSB IDU-III-9 (DEPARTURE AND MISSED APPROACH PROCEDURE) | |
| 150-045972 | 11/18/2003 | A | SERVICE BULLETIN, WSB IDU-III-8 (NAVIGATION DATABASE ERROR) | |
| 150-045964 | 11/18/2003 | B | SERVICE BULLETIN, WSB IDU-III-6 SOFTWARE APPLICATION 4.1A | |
| 150-045610 | 06/23/2004 | A | SERVICE BULLETIN, WSB IDU-III-10 (SOFTWARE APPLICATION VERSION 5.0A) | |
| 150-045015 | 07/16/2004 | A | SERVICE INSTRUCTION, WSI IDU-III-11 (TERRAIN DATABASE UPDATE) | |
| 150-045019 | 08/30/2004 | A | SERVICE BULLETIN, WSB IDU-III-12 (KN-53 GLIDESLOPE INTEGRATION) | |
| 150-045024 | 10/25/2004 | A | SERVICE BULLETIN, WSB IDU-III-13 (CROSSBOW AHRS REPLACEMENT) | |
| 150-045026 | 01/25/2005 | B | SERVICE BULLETIN, WSB IDU-III-14 (AIU-1 REPLACEMENT) | |
| 150-045285 | 03/03/2005 | A | SERVICE INSTRUCTION, WSI IDU-III-2 (ENCODER KNOB REPLACEMENT) | |
| 150-045061 | 06/13/2005 | B | SERVICE BULLETIN, WSB IDU-III-16 (SHADIN ADC-2000 REPLACEMENT) | |
| 150-045036 | 07/25/2005 | A | SERVICE BULLETIN, WSB IDU-III-17 (IDU LIMITS DIGITAL GAIN MODIFICATION) | |
| 150-045038 | 11/09/2005 | A | SERVICE BULLETIN, WSB IDU-III-18 (GARMIN GDL-90 ADS INTERFACE) | |
| 150-045151 | 04/17/2006 | E | SERVICE BULLETIN, WSB IDU-III-15 SOFTWARE APPLICATION VERSION 5.0B | |
| 150-045077 | 11/09/2006 | B | SERVICE BULLETIN, WSB IDU-III-20 SOFTWARE APPLICATION VERSION 5.0C | |
| 150-045088 | 12/05/2007 | B | SERVICE INSTRUCTION, WSI IDU-III-24 (TERRAIN DATABASE UPGRADE 0701) | |
IDU-III | ||||
| 150-045039 | 03/21/2006 | A | SERVICE BULLETIN, WSB IDU-III-19 (RAM REPLACEMENT) | |
| 150-045078 | 07/11/2007 | A | SERVICE BULLETIN, WSB IDU-III-22 GPS REPLACEMENT | |
| 150-045079 | 11/07/2008 | B | SERVICE BULLETIN, WSB IDU-III-23 ANNUNCIATED SWITCH REPLACEMENT | |
| 150-045082 | 02/16/2010 | E | SERVICE BULLETIN WSB IDU-III-21 (SOFTWARE APPLICATION VERSION 6.0B) | |
EMH/NAT | ||||
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RGT-102 | ||||
| 907-1102-XXX | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RGT-102-1 IMPROVE OPERATION OF CONTROL PANEL | |
RVR-222 | ||||
| RVR-222-1 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RVR-222-1 CHNG NVIS LITING TO COMPLY WITH NAVY LTG LEVELS | |
FLEX I | ||||
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C-1000 | ||||
| 150-040867 | 11/22/2000 | A | SERVICE BULLETIN, WSB C-1000-1 NARROW BAND UPGRADE | |
FLEXCOMM I | ||||
| 150-040164 | 07/22/1999 | B | SERVICE BULLETIN, WSB RT-138-2 ADDS NON-STANDARD CTCSS TONES | |
| 150-042164 | 03/30/2005 | A | SERVICE INSTRUCTION, WSI FLEXCOMM I-1 ADD EXTENDED CTCSS TONE CAPABILITY | |
RT-138 | ||||
| 150-040073 | 09/10/1998 | A | SERVICE BULLETIN, WSB 002 RT-138 GD RECEIVER TO IMPROVE SPURIOUS PERFORMANCE | |
| 150-040595 | 02/15/2000 | A | SERVICE BULLETIN, WSB RT-138-3 ATTENUATING RECEIVER SENSITIVITY | |
| 150-040654 | 07/05/2000 | A | SERVICE BULLETIN, WSB RT-138-4 NARROW-BAND UPGRADE | |
RT-138F | ||||
| 620-00050-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-138F-9/8 MAINTAIN SCDD AND IMPROVE DCS TONE OPERATION | |
| RT-138F_406F-1 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-138F/406F-1 IMPROVE EXTERNAL MODULATION | |
| RT-138F-1 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-138F-1 IMPROVE ENCRYPTION DCS TONE OPERATION | |
| 150-040786 | 08/09/2000 | A | SERVICE BULLETIN, WSB RT-138F-1 ADD NON-STANDARD CTCSS TONE | |
| 150-040812 | 08/17/2000 | A | SERVICE BULLETIN, WSB RT-138F-3 INCOMPATIBLE VERSIONS OF THE SYNTHESIZER | |
| 150-040811 | 08/17/2000 | A | SERVICE BULLETIN, WSB RT-138F-2 INCORRECT MOD MARKING | |
| 150-040891 | 10/12/2002 | B | SERVICE BULLETIN, WSB RT-138F-4 NARROW BAND MOD | |
RT-30 | ||||
| RT-30-2 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-30-2 INSTALL FLEXCOMM DVP AUDIO BOARD | |
| 620-00060-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-30-9 MAINTAIN SCD AND IMPROVE DCS TONE OPERATION | |
| 150-040787 | 08/09/2000 | A | SERVICE BULLETIN, WSB RT-30-1 ADD NON-STANDARD CTCSS TONE | |
| 150-040989 | 09/27/2004 | A | SERVICE INSTRUCTION, WSI RT-30-2 REROUTING OF WIRE ON CHASSIS | |
RT-406F | ||||
| 620-00040-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-406F-12/13 MAINTAIN SCD AND IMPROVE DCS TONE OPERATION | |
| SB-RT-406F-1 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-406F-1 IMPROVE VOICE ENCRYPTION & ADD GE VOICE GD COMP | |
| 150-040501 | 10/01/1997 | A | SERVICE BULLETIN, WSB RT-406F-2 MODIFICATION OF SYNTH BOARD TO PREVENT SHORTING | |
| RT-406F-1 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-406F-1 IMPPROVE ENCRYPTION AND DCS TONE OPERATION | |
| 150-040119 | 01/27/1999 | A | SERVICE BULLETIN, WSB RT-406F-1 IMPROVES STABILITY & POWER FLATNESS | |
| 150-040785 | 08/09/2000 | A | SERVICE BULLETIN, WSB RT-406F-3 ADD NON-STANDRD CTCSS TONE | |
| 150-040862 | 10/23/2000 | A | SERVICE BULLETIN, WSB RT-406F-4 IMPROVES STABILITY OF PRESELECTOR | |
| 150-041852 | 06/28/2004 | A | SERVICE INSTRUCTION, WSI RT-406F-5 TO REDUCE HARMONICS AND IMPROVE THE SENSITIVITY | |
RT-450 | ||||
| 150-040118 | 02/26/1999 | A | SERVICE BULLETIN, WSB RT-450-1 ALLOWS USE OF 406 PA BD IN REPAIR | |
FLEX II | ||||
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C-5000 | ||||
| 620-00020-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB-C-5000-2 TONE BRD CHANGES TO IMPROVE DCS OPERATIONS | |
| SB-C-5000-2 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB C-5000-2 MODIFY FOR REV 1.07 SOFTWARE | |
| 620-00020-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB C-5000-3 INCREASE RANGE | |
| C-5000-3 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB C-5000-3 MODIFY FOR REVISION 1.08 SOFTWARE | |
| 620-00020-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB C-5000-1 SOFTWARE - UPDATE RS422 DATA FASTER | |
| 600-09395-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB #395 C-5000 COMMUNICATION MANAGEMENT CONTROLLER | |
| 620-00020-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB C-5000-4 IMPROVE DCS TONE OPERATIONS DURING TRANSMIT | |
| 150-040012 | 03/19/1998 | A | SERVICE BULLETIN, WSB C-5000-1 IMPROVE CTCSS & DCS RECEIVES TONE OPERATION | |
| 150-040092 | 11/23/1998 | A | SERVICE BULLETIN, WSB C-5000-2 CTCSS TONE SOFTWARE UPGRADE | |
| 150-040099 | 11/28/1998 | A | SERVICE BULLETIN, WSB C-5000-3 IMPROVES CTCSS TONE OPERATION | |
| 150-040100 | 01/04/1999 | A | SERVICE BULLETIN, WSB C-5000-4 FORCES RT SYSTEM INTO DIRECT MODE | |
| 150-040109 | 03/22/1999 | C | SERVICE BULLETIN, WSB C-5000-5 PROVIDES SHORT CIRCUIT PROTECTION | |
| 150-040142 | 04/07/1999 | A | SERVICE BULLETIN, WSB C-5000-7 IMPROVES VIBRATION TOLERANCE | |
| 150-040114 | 04/07/1999 | B | SERVICE BULLETIN, WSB C-5000-6 CHANGES DISPLAY TRANS. TO HIGHER POWER | |
| 150-040462 | 10/25/1999 | A | SERVICE BULLETIN, WSB C-5000-8 GRAY POLARIZED FILTER | |
| 150-040495 | 01/28/2000 | B | SERVICE BULLETIN, WSB C-5000-9 VERSION 15 SOFTWARE | |
| 150-041428 | 05/16/2002 | A | SERVICE BULLETIN, WSB C-5000-11 FIXES UNSQUELCH FOR MAIN CHANNEL RECEIVER | |
| 150-042962 | 06/11/2003 | B | SERVICE BULLETIN WSB C-5000-12 CONVERSION TO EXTERNAL DES ENCRYPTION | |
| 150-042117 | 11/17/2004 | A | SERVICE INSTRUCTION, WSI C-5000-13, INTERFERENCE W/DISPLAY AND POWER SUPPLY | |
| 150-041116 | 05/09/2006 | J | SERVICE INSTRUCTION, WSI C-5000-10, MTM GUARD SUPPORT | |
| 150-042377 | 04/13/2009 | C | SERVICE INSTRUCTION, WSI C-5000-17 CHANGE CLOCK TO 32KHZ TO ELIMINATE INTERFERENCE ON 12MHZ CHANNELING | |
FLEXCOMM II | ||||
| 600-09455-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB #455 | |
RT-5000 | ||||
| 620-00010-0150 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-5000-15 DISABLE CARRIER DETECT OPERATION | |
| 620-00010-0160 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-5000-16 IMPROVES SENSITIVITY OF MAIN RECEIVER BY 3db | |
| 150-040091 | 11/12/1998 | A | SERVICE BULLETIN, WSB RT-5000-1 IMPROVE TRANSCEIVER PERFORMANCE | |
| 150-040112 | 01/19/1999 | A | SERVICE BULLETIN, WSB RT-5000-2 FIXES INOPERATIVE DCS TONE FEATURE | |
| 150-040113 | 01/19/1999 | A | SERVICE NOTICE, WSN RT-5000-1 FIXES INOPERATIVE DCS TONE FEATURE | |
| 150-040220 | 06/25/1999 | A | SERVICE NOTICE, WSN RT-5000-3 FIXES ACTIVE ANTENNA TUNING | |
| 150-040221 | 06/25/1999 | A | SERVICE BULLETIN, WSB RT-5000-3 FIXES ACTIVE ANTENNA TUNING | |
| 150-015525-27 | 12/03/2007 | A | SERVICE INSTRUCTION, WSI RT-5000-27, RT-5000 -0611 VOTE SCAN AND AES UPGRADE | |
| 150-015525-24 | 12/06/2007 | B | SERVICE INSTRUCTION, WSI RT-5000-24 RT-5000-5011 INSTALL MODS 3, 4, & 10 | |
| 150-049982 | 05/05/2008 | B | SERVICE NOTIFICATION, WSN RT-5000-4, CREATE SINGLE ZONE CODEPLUG | |
| 150-015525-28 | 07/25/2008 | B | SERVICE INSTRUCTION, WSI RT-5000-28 INSTALLATION OF SOFTWARE SWID 17 | |
RT-5000DIGITAL | ||||
| 150-042618-04 | 11/06/2008 | A | WULFSBERG SERVICE BULLETIN, SINGLE ZONE IMPLEMENTATION, (WSB-RT-5000- 04) | |
FLITECOMM | ||||
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C-962N | ||||
| 150-040549 | 01/13/2000 | A | SERVICE BULLETIN, WSB C-962N-2 MAKES TONE OUTPUT MORE UNIFORM | |
| 150-040141 | 08/09/2000 | C | SERVICE BULLETIN, WSB C-962N-1 UPGRADE FOR NARROWBAND OPERATION | |
RT-9600 | ||||
| 300-2096-0_-1_-2 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-9600 REPLACE CHASSIS CONNECTORS | |
| 150-041013 | 05/09/2001 | A | SERVICE NOTIFICATION, WSN RT-9600-1 NARROW BAND FACTORY UPGRADE | |
RT-9600F | ||||
| RT-9600F-1 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-9600F-1 IMPROVED ENCRYPTION AND DCS TONE OPERATION | |
| RT-9600F-2 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RT-9600F-2 IMPROVE ENCRYPTION AND DCS TONE OPERATION | |
| 150-040121 | 06/22/2007 | E | SERVICE BULLETIN, WSB RT-9600F-1 MODIFY FOR NARROWBAND OPERATION | |
FLITEFONE | ||||
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WH-10 | ||||
| 150-040624 | 10/01/1997 | A | SERVICE BULLETIN, WSB WH-10-1 CORRECT THUMBWHEEL ASSEMBLY CLEARANCE PROBLEM | |
| 150-041720 | 04/07/2003 | A | SERVICE BULLETIN, WSB WH-10-2 (CHANGE ADJUSTABLE RESISTOR FROM 500 OHM TO 1000 OHM) | |
FLITELINE | ||||
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CVC-151 | ||||
| 150-048050 | 05/03/2007 | A | SERVICE INSTRUCTION, WSI CVC-151-01 MIC AUDIO INPUT FROM DIFFERENTIAL TO SINGLE ENDED | |
| 150-048030 | 10/26/2007 | A | SERVICE INSTRUCTION, WSI CVC-151-03 INSTALL DIODE TO PREVENT LOAD DOWN OF TX INTERLOCK LINE IN THE OFF STATE | |
| 150-042527 | 06/12/2008 | A | SERVICE INSTRUCTION, WSI CVC-151-04 ELIMINATE AUDIO POP W/PTT AND FALSE FAIL 2 WARNINGS, MAKE WIDER NOISE SQUELCH HYSTERESIS | |
| 150-048117 | 08/26/2008 | A | SERVICE INSTRUCTION WSI CVC-151-06 PROTECT P.L.L. FROM NEGATIVE TURN ON TRANSIENT | |
| 150-048118 | 08/27/2008 | A | SERVICE INSTRUCTION WSI CVC-151-07 IMPROVE P.A. PERFORMANCE AND TUNING | |
| 150-042594-08 | 01/23/2009 | A | SERVICE INSTRUCTION, WSI CVC-151-08 TO INSTALL SWID 07 IMPLEMENTING RXAUDIO 10 DB PAD RATHER THAN ONLY ATTENUATORS | |
Miscellaneous | ||||
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GENERAL | ||||
| 150-042123 | 12/15/2004 | A | SERVICE INSTRUCTION, WSI-01 UNIVERSAL MOD MARKING LABEL | |
VARIOUS | ||||
| 600-08336-0000 | 10/01/1997 | ORIG | SERVICE MEMO, #336 ATCRBS UPDATE INFORMATION | |
| 600-08200-0002 | 10/01/1997 | 2 | SERVICE MEMO, #200 UNIT OVERHAUL/EXCHANGE SERVICE | |
RT-2000 | ||||
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P-2000 | ||||
| 150-049200 | 11/04/2005 | A | SERVICE INSTRUCTION, WSI C-2000/P-2000/RT-2000-01 ALLOWS INSTALLATION OF SOFTWARE MOD 04 | |
| 150-049200-05 | 04/23/2007 | A | SERVICE INSTRUCTION, WSI FLEX 2000-04 ALLOWS INSTALLATION OF SOFTWARE MOD 05 | |
SERIES III | ||||
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AT-434A | ||||
| 653-00098-0030 | 10/01/1997 | ORIG | SERVICE AID, SA AT-434A-102 | |
| 600-09291-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB #291 | |
| 651-00098-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB AT-434A-4 ANTENNA LESS SUSCEPTABLE TO STATIC & WATERDAMAGE | |
| 651-00097-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB AT-434A-02 ANTENNA SUSCEPTIBILITY TO DME AND XPDR SIGNALS | |
| 651-00096-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB AT-434A-01 PREVENT INTERFERENCE WITH COM EQUIPMENT | |
| 651-00097-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB AT-434A-3 IMPROVE ADF PERF UNDER LOW FREQ ATMOSPHERIC NOIS | |
| 150-041797 | 07/08/2003 | A | SERVICE BULLETIN, WSB AT-434A-5 REPLACE DIODE 1N4148 W/SCHOTTKY DIODE | |
| 150-041414 | 11/10/2003 | A | SERVICE BULLETIN, WSB AT-434A-6 IMPROVE STATION PASSAGE DELAY | |
CD-402B | ||||
| 651-00065-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-402B-1 REPLACE BACKIGHTING MODULE IN LCD MODULE | |
| 651-00065-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-402B-2 INCREASE ACTIVATION FORCE FOR TRANSFERRING FREQ | |
| 651-00065-0070 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-402B-3 INCREASE RELIABILITY OF BACKLIGHTING IN 28V UNIT | |
| 651-00066-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-402B-4 INCREASE PANEL NOMENCLATURE LITING INTENSITY | |
| 150-040954 | 02/01/2001 | A | SERVICE BULLETIN, WSB CD-402B-M5-01 DEFINES MOD 5 AND ABOVE AS 8.33 kHz CAPABLE | |
| 150-041171 | 12/09/2004 | B | SERVICE INSTRUCTION, WSI CD-402B-5 REPLACEMENT OF ROTARY SWITCH | |
CD-412B | ||||
| 651-00077-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-412B-4 INCREASE PANEL NOMENCALTURE LIGHTING INTENSITY | |
| 651-00076-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-412B-2 INCREASE ACTIVATION FORCE | |
| 660-00074-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-412B-M1 CHNG PANEL & DISPLAY LIGHTING FROM +28V TO +5V | |
| 651-00076-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-412B-3 INCREASE RELIABILITY OF BACKLIGHTING IN 28V UNIT | |
| 651-00076-0000 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-412B-1 REPLACE BACKLIGHTING MODULE INLCD MODULE | |
| 150-040044 | 12/09/2004 | A | SERVICE INSTRUCTION, WSI CD-412B-6 REPLACEMENT OF ROTARY SWITCH | |
| 150-041279 | 07/06/2006 | B | SERVICE BULLETIN, WSB CD-412B-5 REPLACE OBSOLETE LCD DISPLAY MODULE | |
CD-413B | ||||
| 651-00075-0090 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-413B-2 SHORTEN THE FREQUENCY TRANSFER PUSHBUTTON | |
| 651-00075-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-413B-1 INCREASE ACTUATION FORCE OF FREQ TRANS SWITCH | |
| 651-00076-0090 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-413B-3 INCREASE RELIABILITY OF BACKLIGHTING IN 28V UNIT | |
| 651-00077-0051 | 10/01/1997 | 1 | SERVICE BULLETIN, SB CD-413B-3 INCREASE RELIABILITY OF BACKLIGHTING IN 28V UNIT | |
| 150-040879 | 12/09/2004 | A | SERVICE INSTRUCTION, WSI CD-413B-5 REPLACEMENT OF ROTARY SWITCH | |
| 150-041280 | 07/06/2006 | B | SERVICE BULLETIN, WSB CD-413B-4 REPLACE OBSOLETE LCD DISPLAY MODULE | |
CD-422B | ||||
| 651-00086-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-422B-5 RE-INSTALL SET SCREW | |
| 653-00085-0010 | 10/01/1997 | ORIG | SERVICE AID, SA CD-422A/B-101 | |
| 660-00086-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-422B-M1 CHANGE PANEL & DISPLAY LITING FROM +28V TO +5V | |
| 651-00086-0070 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-422B-4 SET SCREW/HALF SWITCH | |
| 651-00086-0000 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-422B-1 REPLACE BACKLIGHTING MODULE IN CONTROL DISPLAY | |
| 651-00086-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-422B-3 INCREASE RELIABILITY OF BACKLIGHTING IN 28V UNIT | |
| 150-040120 | 12/09/2004 | A | SERVICE INSTRUCTION, WSI CD-422B-7 REPLACEMENT OF ROTARY SWITCH | |
| 150-041281 | 07/06/2006 | B | SERVICE BULLETIN, WSB CD-422B-6 REPLACE OBSOLETE LCD DISPLAY MODULE | |
CD-432A | ||||
| 653-00098-0020 | 10/01/1997 | ORIG | SERVICE AID, SA CD-432A/B-101 | |
CD-432B | ||||
| 651-00098-0021 | 10/01/1997 | 1 | SERVICE BULLETIN, SB CD-432B-2 INCREASE ACTIVATION FORCE/IMPROVE TACTILE FDBK | |
| 660-00096-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-432B-M1 CHANGE PANEL & DISPLAY LITING FROM +28V TO +5V | |
| 651-00097-0090 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-432B-1 CONTROL DISPLAYS/BACKLIGHTING MODULE REPLACEMENT | |
| 651-00098-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-432B-2 INCREASE ACTIVATION FORCE, IMPROVE TACTILE FDBK | |
| 651-00098-0070 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB CD-432B-3 INCREASE RELIABILITY OF BACKLIGHTING IN 28V UNIT | |
| 150-040151 | 12/09/2004 | A | SERVICE INSTRUCTION, WSI CD-432B-5 REPLACEMENT OF ROTARY SWITCH | |
| 150-041282 | 07/06/2006 | B | SERVICE BULLETIN, WSB CD-432B-4 REPLACE OBSOLETE LCD DISPLAY MODULE | |
DF-431B | ||||
| 651-00096-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431A/B-04 IMPROVE BEARING DATA FILTERING AND SELF-TEST | |
| 651-00097-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-6 CORRECT IDENTIFICATION NAMEPLATE | |
| 651-00096-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431A/B-02 GREATER MARGIN FOR OVERVOLTAGE PROTECTION | |
| 651-00097-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-2 CANCELLED - SUPERSEDED BY Mod 4 | |
| 651-00097-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-3 IMPROVE LOW SIGNAL POINTING) | |
| 651-00098-0000 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-5 INSTALL FAST LOCK DETECTOR | |
| 651-00098-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-6 IMPROVE POINTING SENSITIVITY IN HI ATMOSPH NOISE | |
| 651-00096-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431A/B-02 INC PULSE AMP OF ARINC 429 WORD GAP DETECTOR | |
| 651-00098-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-7 INCREASE AUDIO OUTPUT CAPABILITY TO 40mW | |
| 651-00098-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-8 STABILITY/VLTG CONTROLLED OSCILL & MAG HDG OUTPU | |
| 651-00098-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-9 IMPROVE RECEIVERS ADJACENT CHANNEL LOCK-ON REJEC | |
| 651-0097-70 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DF-431B-4 IMPROVE ADF PERF DURING LO FREQ ATMOSPHERIC NOIS | |
| 150-041532 | 09/06/2002 | A | SERVICE BULLETIN, WSB DF-431B-10 USE OF CAPACITORS WITH HIGHER VOLTAGE | |
| 150-041732 | 06/18/2003 | A | SERVICE BULLETIN, WSB DF-431B-12 SWITCH TRANSFORMER DRIVE CIRCUITRY | |
| 150-041536 | 10/07/2003 | B | SERVICE BULLETIN, WSB DF-431B-11 USE OF CAPACITOR FOR IMPROVED STABILITY | |
DM-441B | ||||
| 651-00108-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A&B-08 REPLACE RANGE PROCESSOR MODULE WITH NEW -0502 | |
| 600-00107-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441B-12 REDUCE FREQ PULLING IN THE FREQUENCY SYNTHESIZE | |
| 651-00108-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A&B-07 IMPROVES RANGING PERFORMANCE | |
| 651-00107-0090 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A/B-05 ALLOW INTERFACE WITH UNS-1 NAV SYSTEM | |
| 651-00108-0070 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441B-7 SOFTWARE CHANGES | |
| 651-00108-0001 | 10/01/1997 | 1 | SERVICE BULLETIN, SB DM-441A-06/DM-441B-06 CORRECT SVC BULLETIN ISSUE NUMBER | |
| 651-00109-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441B-14 IMPROVE RECEIVER SENSITIVITY AT 113.80 MHz | |
| 653-00107-0010 | 10/01/1997 | ORIG | SERVICE AID, SA DM-441B-101 | |
| 653-00107-0020 | 10/01/1997 | ORIG | SERVICE AID, SA DM-441B-102 | |
| 653-00107-0040 | 10/01/1997 | ORIG | SERVICE AID, SA DM-441B-104 | |
| 653-00107-0050 | 10/01/1997 | ORIG | SERVICE AID, SA DM-441A/B-105 | |
| 651-00107-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A/B-02 ENSURES GROUND SPEED NOT RESET TO 0 | |
| 651-0109-00 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441B-9 DME DIST FLUCTUATIONS/LOCKING ON TO NOISE | |
| 651-00108-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A&B-4 IMPROVE INTERFACE DMS-44A AND KING KNS 660 | |
| 651-00108-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A/B-8 PREVENT VIDEO SIG FROM GETTING LOADED DOWN | |
| 651-00109-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441B-10 ADD EPLD TO REPLACE ANALOG BRD MOD | |
| 651-00107-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A-03/DM-441B-03 ADD PROG CHNG TO MSTR PROCEESSOR MODULE | |
| 600-09409-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB, #409 DM-441B | |
| 651-00108-0031 | 10/01/1997 | 1 | SERVICE BULLETIN, SB DM-441A&B-09 PREVENT OSCILLATIONS FROM CAUSING NARROW SPOK | |
| 651-00109-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441B-11 429 DME TUNING,568 FLAG BIT LABEL,DME AUDIO IDE | |
| 651-00109-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441B-13 IMPROVE AUDIO IDENT OUTPUT | |
| 651-00107-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A/B-04 ADD FREQUENCY MGMT FEATURES | |
| 600-09389-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB #389 DM-441B DME | |
| 651-00108-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A&B-6 ALLOW TO PASS TSO ENVIRONMENTAL CAT F2A | |
| 651-00108-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DM-441A&B-5 CORRECT SOFTWARE PROBLEMS | |
| 150-040591 | 04/17/2000 | B | SERVICE BULLETIN, WSB DM-441B-11-20 MOD. 11 SOFTWARE ID -20 | |
| 150-040475 | 05/18/2001 | B | SERVICE BULLETIN, WSB DM-441B REPLACES TANTALUM CAP W/ALUM CAP | |
| 150-040924 | 05/30/2001 | B | SERVICE BULLETIN, WSB DM-441B-6 ADD GIMMICK CAPACITOR TO THE VCO BOARD | |
| 150-042660 | 12/22/2005 | A | SERVICE NOTIFICATION, WSN DM-441B-10 CORRECT TYPO IN DYNAMIC RANGE TEST | |
| 150-040694 | 02/08/2006 | B | SERVICE BULLETIN, WSB DM-441B-3 IMPROVE SENSITIVITY AT HIGH TEMPS | |
| 150-040651 | 03/02/2006 | SUPR | SB, WSB DM-441B -20 TO -21 SEXTANT ONLY **Superseded BY 150-041710** | |
| 651-00109-0041 | 03/17/2006 | B | SERVICE BULLETIN, SB DM-441B-12 REDUCE FREQUENCY PULLILNG IN FREQUENCY SYNTHESI | |
| 150-041710 | 04/21/2006 | C | SERVICE BULLETIN, WSB DM-441B-9 (REPLACEMENT OF PHILIPS 87C528 CPU) | |
| 150-040735 | 07/11/2006 | B | SERVICE BULLETIN, WSB DM-441B-4 DISPLAY RANGE ERROR | |
| 150-040864 | 07/11/2006 | D | SERVICE BULLETIN, WSB DM-441B-5 IMPROVES STATION OVER FLIGHT | |
| 150-042559 | 07/25/2006 | A | SERVICE INSTRUCTION WSI DM-441B-18, REPLACE RECEIVER MODULE VARI-CAPS C15-20 TO IMPROVE RELIABILITY | |
| 150-042354 | 01/24/2007 | A | SERVICE INSTRUCTION, WSI DM-441B-19 REPLACE RESISTORS TO ELIMINATE HOLD 1 ERROR | |
| 150-042374 | 09/26/2007 | B | SERVICE INSTRUCTION, WSI DM-441B-20 ALLOW FREE RUNNING ARINC 568 CLOCK | |
| 150-042374-21 | 02/19/2009 | B | SERVICE INSTRUCTION WSI DM-441B-21 INSTALL SWID 34 | |
KDA-557 | ||||
| 600-07550-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB KDA-557-4 IMPROVE 429 COMMUNICATIONS, REDUCE TRANS ERRORS | |
| 600-07550-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB KDA-557-1 SOFTWARE FOR IMPROVED DUAL SYSTEM OPERATION | |
| 600-07550-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB KDA-557-2 ADD MLS SELF-TEST,REPLACE 2 CAPACITORS | |
| 150-041782 | 05/29/2003 | A | SERVICE BULLETIN, WSB KDA-557-6 RANDOM ARINC 429 DATA FAILURES | |
| 150-041795 | 07/24/2003 | A | SERVICE BULLETIN, WSB KDA-557-7 REPLACEMENT OF 429 CHIPS OR USE OF R/C NETWORK | |
RMU-556 | ||||
| 600-07560-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RMU-556-3 ADD MLS SELF-TEST FEATURE | |
| 600-07560-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RMU-556-4 SEE COMMENTS | |
| 600-07560-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RMU-556-2 IMPROVE CONNECTION TO CRT PINS | |
| 600-07560-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RMU-556-1 IMPROVED DUAL SYSTEM OPERATION | |
| 600-07560-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB RMU-556-5 INSTALL CORRECT GLASS AS CRT FILTER | |
| 150-041455 | 07/01/2002 | A | SERVICE BULLETIN, WSB RMU-556-6 REMOVAL OF EXTERNAL WHITE KNOB RING | |
| 150-041456 | 07/26/2002 | B | SERVICE BULLETIN, WSB RMU-556-7 COMPONENT PROTECTION AND KNOB RETENTION | |
| 150-041736 | 05/12/2003 | A | SERVICE BULLETIN, WSB RMU-556-9 REPLACES FAIRCHILD MJE180 TRANSISTOR | |
| 150-041777 | 05/21/2003 | A | SERVICE BULLETIN, WSB RMU-556-10 INCREASE CURRENT DRIVE TO CRT | |
| 150-041604 | 02/09/2006 | B | SERVICE BULLETIN, WSB, RMU-556-8 PROVIDE A CURRENT DRAIN PATH FOR THE CRT G1 AND G2 | |
SD-442B | ||||
| 651-00109-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB DS-442B-3 IMPROVE LIGHTING RELIABILITY | |
| 651-00108-0091 | 10/01/1997 | 1 | SERVICE BULLETIN, SB SD-442B-01 REPLACE BACKLIGHTING MODULE IN LCD MODULE | |
| 660-00107-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB 442B-M1 CHNG PANEL & DISPLAY LIGHTING FROM +28V TO +5V | |
| 150-01107 | 01/27/2006 | A | SERVICE NOTIFICATION, WSN SD-422B-1 KTS DISPLAY INDICATION DURING TEST | |
SERIES lll | ||||
| 600-08334-0000 | 10/01/1997 | ORIG | SERVICE MEMO, #334 LOOSE KNOBS ON SERIES III CONTROL HEADS | |
| 650-0039-50 | 10/01/1997 | ORIG | SERVICE LETTER, SERIES III CONTROL DISPLAY UNITS BACKLIGHT MODULES INTERCHANGE | |
| 600-09280-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB #280 (CRIMPING TOOLS FOR DPX CONNECTORS) | |
| 651-00074-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VNS-41A-02 ADD FERRITE BEADS TO MEET EUROCAE REQMTS | |
| 650-00036-0030 | 10/01/1997 | ORIG | SERVICE LETTER, SERIES III CNI TORQUE REQMTS FOR PWR SPLY ASSEMBLY HDWR | |
| 150-041189 | 10/31/2001 | A | SERVICE BULLETIN, WSB SERIES III POWER SUPPLY-01 (REPLACEMENT OF CR14) | |
| 150-042526 | 05/22/2008 | A | SERVICE INSTRUCTION WSI SERIES III-02 TO IMPROVE POWER SUPPLY RELIABILTY | |
TR-421B | ||||
| 651-00086-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB TR-421B-6 SUPPRESS REPLIES DURING POWER-UP | |
| 651-00086-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB TR-421B-5 TSO COMPLIANCE | |
| 651-00086-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB TR-421A/B-9 IMPROVE RFI FILTERING OF TR-421A&B TRANSPONDER | |
| 653-00086-0010 | 10/01/1997 | ORIG | SERVICE AID, SA TR-421B-101 | |
| 651-00085-0070 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB TR-421A/B-4 TO REDUCE DEAD TIME | |
| 651-00085-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB TR-421A-3/TR-421B-3 SOFTWARE CHANGES | |
| 653-00085-0020 | 10/01/1997 | ORIG | SERVICE AID, SA TR-421B-102 | |
| 651-00085-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB TR-421A/B-1 NEW SOFTWARE TO IMPROVE MODE OPERATION | |
VC-401B | ||||
| 651-00064-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-5 REDUCE RECEIVER SELF-INTERFERENCE | |
| 651-00064-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-3 PREVENT RANDOM BREAKING SQUELCH | |
| 651-00064-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401A-9/VC-401B-8 INCREASE DISPLAY ENABLE PULSE WIDTH | |
| 651-00064-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401A-8/VC-401B-7 REDUCE RECVR NOISE/TRANS SIDETONE OUTP | |
| 651-00064-0000 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401A-7/VC-401B-6 LIMIT CURRENT SPIKES | |
| 651-00064-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-6 IMPROVE TRANSCEIVER PEREFORMANCE | |
| 651-00066-0041 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VC-401B-2 SEE NOTE BELOW | |
| 651-00065-0000 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-8 IMPROVE RECEIVER SPURIOOUS RESPONSE | |
| 651-00064-0071 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VC-401B-5 REDUCE CROSSTALK BETWEEN TRANSCEIVERS | |
| 651-00063-0081 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VC-401A-6/VC-401B-5 PREVENT SQUELCH CLOSING | |
| 660-00063-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-M3 COMPLY W/RQRMNTS OF ICAO ANNEX 10 FOR FM BRDCST **OBSOLETE** | |
| 653-00064-0030 | 10/01/1997 | ORIG | SERVICE AID, SA VC-401B-103 | |
| 653-00064-0020 | 10/01/1997 | ORIG | SERVICE AID, SA VC-401B-102 | |
| 653-00064-0010 | 10/01/1997 | ORIG | SERVICE AID, SA VC-401B-101 | |
| 651-00067-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-21 IMPROVES TRANSMITTER STABILITY OVER TEMP VARIAT | |
| 651-00066-0090 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-20 REPLACE 3 RF TRANSISTORS ON TRANSMITTER BOARD | |
| 651-00066-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-14 REDUCE AMT OF SPURIOUS RECEPTION (BIRDS | |
| 651-00066-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-15 REDUCE SPURIOUS TRANSMISSIONS | |
| 651-00065-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-9 OPR UNDER LOW VOLT CONDITIONS W/O BLANKING DISPL | |
| 651-00066-0001 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VC-401B-M2 CONVERSION TO CHANGE OUTPUTS | |
| 651-00065-0090 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-13 REDUCE AMT OF BROAD-BAND NOISE ON TRANS CARRIER | |
| 651-00065-0081 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VC-401B-M1 EXTEND OPERATING FREQUENCY RANGE TO 136.975MHz | |
| 651-00065-0061 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VC-401B-12 REPLACE FILTER BRD ON CPU MODULE | |
| 651-00065-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-12 REDUCE SPRUIOUS TRANSMISSIONS | |
| 651-00065-0032 | 10/01/1997 | 2 | SERVICE BULLETIN, SB VC-401A/B-11 CHANGE SOFTWARE ROM COM CONTROLLER | |
| 651-00065-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-10 PREVENT CHIRP WHEN TRANSMITTER UNKEYED | |
| 651-00066-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-19 BENCH TEST PROCEDURE/CHECK AUDIO PHASING | |
| 651-00063-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401A-2/VC-401B-1 ELIM TIME-OUT ON 429 RESET W/LDG DATA | |
| 600-09278-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB #278 VC-401B (ADD TRANSMIT INTERLOCK CAPABILITY) | |
| 600-09381-0000 | 10/01/1997 | ORIG | INSTALLATION BULLETIN, IB #381 VC-401B | |
| 651-00063-0070 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401A-05/VC-401B-04 PREVENT PWR MONITOR FROM GOING LOW | |
| 651-00063-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401A-3/VC-401B-2 GREATER MARGIN FOR OVERVOLTAGE PROTECTION | |
| 651-00063-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401A-04/VC-401B-03 CORRECT MODULATION PROBLEM | |
| 651-00064-0090 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VC-401B-7 INCORPORATE CHGS TO AUDIO & TRANSMITTER BOARDS | |
| 150-040889 | 01/17/2001 | C | SERVICE BULLETIN, WSB VC-401B-01 TO VERIFY PERFORMANCE PARAMETERS | |
| 150-041634 | 12/11/2002 | A | SERVICE BULLETIN, WSB VC-401B-02 SEAL UNUSED HOLE | |
| 150-042960 | 04/29/2003 | A | SERVICE BULLETIN, WSB VC-401B-04 VIBRATION PARAMETERS DURING TEST | |
| 150-041731 | 06/18/2003 | A | SERVICE BULLETIN, WSB VC-401B-05 SWITCH TRANSFORMER DRIVE CIRCUITRY | |
| 150-041607 | 07/01/2003 | A | SERVICE BULLETIN, WSB VC-401B-06 REPLACEMENT OF CHOKE L1 | |
| 651-00066-0071 | 03/31/2004 | C | SERVICE BULLETIN, SB VC-401B-18 TO MEET REQMTS OF TSO RECEIVER SPURIOUS RESPONSE | |
| 150-041107 | 04/28/2004 | A | SERVICE INSTRUCTION, WSI VC-401B-07 USE OF CAPACITORS WITH HIGHER VOLTAGE | |
| 150-041535 | 03/22/2006 | SUPR | SERVICE BULLETIN, WSB VC-401B-03 USE OF CAPACITORS WITH HIGHER VOLTAGE **Superseded by 150-041107** | |
| 651-00066-0050 | 07/06/2006 | B | SERVICE BULLETIN, SB VC-401B-16 REDUCE AMT OF COMM TO COMM INTERFERENCE | |
| 651-00066-0060 | 07/06/2006 | B | SERVICE BULLETIN, SB VC-401B-17 ADD INTERMEDULATION FILTER BOARD & RETUNE | |
| 660-00063-0031 | 10/20/2006 | C | SERVICE BULLETIN, SB VC-401B-M3 ADD INTERMODULATION FILTER BOARD & RETUNE | |
| 150-040452 | 12/03/2007 | A | SERVICE INSTRUCTION, WSI VC-401B-36 IMPROVE RECEIVE AUDIO RESPONSE AFTER TRANSMIT | |
| 150-042622-37 | 06/24/2009 | B | SERVICE INSTRUCTION WSI VC-401B-37, TO INCREASE VOLTAGE RATING OF AUDIO BOARD CAPACITOR C69 | |
VC-401B-M22 | ||||
| 150-040946 | 01/13/2001 | A | SERVICE BULLETIN, WSB VC-401B-M22-01 DEFINES MOD 22 AND ABOVE AS NEW TECHNOLOGY | |
| 150-040942 | 01/15/2001 | B | SERVICE BULLETIN, WSB VC-401B-M22-02 DUAL RADIO OPERATION W/ MOD 22 OR 23 | |
| 150-040951 | 02/01/2001 | A | SERVICE NOTIFICATION, WSN TEST PANEL MODIFICATION | |
| 150-040962 | 03/08/2001 | A | SERVICE BULLETIN, WSB-VC-401B-M22-03 REPLACE COPPER TAPE WITH CONDUCTIVE FOAM | |
| 150-041078 | 08/02/2001 | A | SERVICE NOTIFICATION, WSN TEST PANEL MODIFICATION (BENDIX/KING) | |
| 150-041371 | 04/11/2002 | A | SERVICE NOTIFICATION, WSN VC-401B-M22 TEST FOR ONE MINUTE TIMER THAT LIMITS TRANSMITTER DUTY CYCLE | |
| 150-041378 | 04/11/2002 | A | SERVICE BULLETIN, WSB VC-401B-M22-05 MIC IMPEDANCE FOR USE W/NON-CARBON MIC SYSTEMS | |
| 150-041430 | 05/23/2002 | A | SERVICE BULLETIN, WSB VC-401B-M22-06 MIC AUDIO INPUT FROM DIFFERENTIAL TO SINGLE ENDED | |
| 150-042959 | 04/29/2003 | A | SERVICE BULLETIN, WSB VC-401B-M22-10 VIBRATION PARAMETERS DURING TEST | |
| 150-041637 | 04/29/2003 | B | SERVICE BULLETIN, WSB VC-401B-M22-07 ADD RESISTOR TO REDUCE DRIVE OF FEEDBACK TO PLL | |
| 150-042957 | 05/12/2003 | B | SERVICE BULLETIN, WSB VC-401B-M22-09 TRANSIENT PROTECTION | |
| 150-041825 | 07/18/2003 | A | SERVICE BULLETIN, WSB VC-401B-M22-12 REMOVE C3 TO ELIMINATE FAILURE MODE | |
| 150-041787 | 07/18/2003 | A | SERVICE BULLETIN, WSB VC-401B-M22-11 SOFTWARE MOD 07 | |
| 150-041827 | 10/14/2003 | B | SERVICE BULLETIN, WSB VC-401B-M22-13 PROTECT Q5 FROM SPIKES | |
| 150-042082 | 03/09/2005 | A | SERVICE INSTRUCTION, WSI, VC-401B-M22-14 TO IMPROVE THE TUNING OF THE IF STAGE | |
| 150-042183 | 08/09/2005 | B | SERVICE INSTRUCTION, WSI VC-401B-M22-16 ADD PROTECTION TO THE PA DURING IMPROPER ANTENNA LOAD CONDITIONS | |
| 150-042239 | 08/25/2005 | A | SERVICE INSTRUCTION, WSI VC-401B-M22-17 | |
| 150-041954 | 10/17/2005 | B | SERVICE INSTRUCTION, WSI VC-401B-M22-15 IMPROVEMENT OF INSERTION LOSS OF LOW PASS FILTER | |
| 150-042323 | 11/30/2006 | A | SERVICE INSTRUCTION, WSI VC-401B-M22-18 FIX VARIATIONS IN AUDIO OUTPUT LEVEL | |
| 150-042620-20 | 04/22/2009 | B | SERVICE INSTRUCTION WSI VC-401B-M22-20, REPLACE FERRITE ON B100, B101, AND T4 | |
| 150-042623-21 | 04/22/2009 | B | SERVICE INSTRUCTION WSI VC-401B-M22-21, TO PREVENT OVERMOD AT LOWER FREQUENCIES | |
VC-401C | ||||
| 150-041379 | 04/15/2002 | A | SERVICE NOTIFICATION, WSN VC-401C TEST FOR ONE MINUTE TIMER THAT LIMITS TRANSMITTER DUTY CYCLE | |
| 150-041380 | 04/15/2002 | A | SERVICE BULLETIN, WSB VC-401C-01 MIC IMPEDANCE FOR USE W/NON-CARBON MIC SYSTEMS | |
| 150-041959 | 02/26/2004 | A | SERVICE BULLETIN, WSB VC-401C-02 MIC AUDIO INPUT FROM DIFFERENTIAL TO SINGLE ENDED | |
| 150-042824 | 02/26/2004 | A | SERVICE BULLETIN, WSB VC-401C-05 REMOVE CAPACITOR TO ELIMINATE A RARE FAILURE MODE | |
| 150-041960 | 02/26/2004 | A | SERVICE BULLETIN, WSB VC-401C-03 REDUCE DRIVE OF FEEDBACK TO PLL | |
| 150-042823 | 02/26/2004 | A | SERVICE BULLETIN, WSB VC-401C-04 TRANSIENT PROTECTION | |
| 150-041928 | 11/08/2004 | A | SERVICE INSTRUCTION, WSI VC-401C-08 IMPROVEMENT OF INSERTION LOSS OF LOW PASS FILTER | |
| 150-042083 | 03/09/2005 | A | SERVICE INSTRUCTION, WSI, VC-401C-07 TO IMPROVE THE TUNING OF THE IF STAGE | |
| 150-042184 | 08/09/2005 | B | SERVICE INSTRUCTION, WSI VC-401C-9 ADD PROTECTION TO THE PA DURING IMPROPER ANTENNA LOAD CONDITIONS | |
| 150-042300 | 10/17/2005 | A | SERVICE INSTRUCTION, WSI, VC-401C-10 IMPROVE T/R SWITCH RELIABILITY AND IMPROVE POWER LEVELING UNDER VSWR | |
| 150-042301 | 10/17/2005 | A | SERVICE INSTRUCTION, WSI, VC-401C-11 IMPROVEMENT OF INSERTION LOSS OF LOW PASS FILTER | |
| 150-042676-14 | 04/22/2009 | A | SERVICE INSTRUCTION, WSI VC-401C-14, TO PREVENT OVERMOD AT LOW FREQUENCIES | |
| 150-042675-13 | 04/22/2009 | A | SERVICE INSTRUCTION, WSI VC-401C-13, REPLACE FERRITE ON B100, B101 AND T4 | |
VN-411B | ||||
| 651-00077-0031 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-15 FLAG NAV OUTPUT WITH THE LOSS OF 9960 Hz SUBCAR | |
| 660-00074-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-M3 CHNG P/N TO MEET RQMNTS IN FOKKER F50 AIRCRAFT | |
| 660-00074-0061 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-M5, COMPLY W/RQMNTS OF ICAO ANNEX 10 FOR FM BRDCST | |
| 651-00074-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-1 PROVIDE GREATER MARGIN FOR OVERVOLTAGE PROTECTIO | |
| 660-00074-0071 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-M6, COMPLY W/RQMNTS OF ICAO ANNEX 10 FOR FM BRDCST | |
| 660-00074-0011 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-M1 CONVERT P/N TO MEET RQMNTS IN FOKKER F50 AIRCFT | |
| 651-00078-0001 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-20 REDUCE NAV RECEIVER SUSCEPTIBILITY TO SPURIOUS RESP | |
| 651-00077-0091 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-19 IMPROVE VCO VOLTAGE REGULATION,INCREASE PWR SPL | |
| 651-00077-0080 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-18 MEET REQMTS OF ICAO ANNEX 10 FOR FM BRDCST INTE | |
| 651-00077-0071 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-17 FLAG NAV OUTPUT W/LOSS OF 9960 Hz SUBCARRIER | |
| 651-00077-0060 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-16 ELIMINATE INTERFERENCE FROM GLIDESLOPE RECEIVER | |
| 660-00074-0052 | 10/01/1997 | 2 | SERVICE BULLETIN, SB VN-411B-M4, COMPLY W/RQMNTS OF ICAO ANNEX 10 FOR FM BRDCST | |
| 651-00076-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-9 IMPROVE AUTOPILOT LOC CAPTURE CHARACTERISTICS | |
| 651-00075-0031 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-2 CHNG DC SINE/COSINE OUTPUT | |
| 651-00075-0040 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-3 IDENTIFY NAV/MKR/GS RF CONNECTORS W/COLOR CODE | |
| 651-00075-0050 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-4 REDUCE DME INTERFERENCE TO VN-411B | |
| 651-00075-0011 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-5 PROVIDE FOR DC SIN/COS OUTPUTS | |
| 651-00077-0030 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-15 MAKE UNIT FLAG NAV OUTPUT W/LOSS OF 9960Hz SUB | |
| 651-00075-0070 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-6 DECREASE DME INTERFERENCE WITH NAV RECEIVER | |
| 651-00076-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-7 INCREASE GLIDESLOPE SENSITIVITY | |
| 651-00076-0020 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-8 EXTENDS DYNAMIC RANGE OF AGC | |
| 651-00075-0061 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-5 IMPROVE GLIDESLOPE RECEIVER REJECTION PROPELLER MOD | |
| 651-00076-0061 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-11 PREVENT SPURIOUS OSCILLATIONS (BIRDS | |
| 651-00076-0071 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-12 PREVENT OPERATIONAL ANOMOLY WITH MARKER RECEIVER | |
| 651-00077-0000 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-13 REDUCE VOLTAGE ON ILS ENERGIZE LINE | |
| 651-00077-0010 | 10/01/1997 | ORIG | SERVICE BULLETIN, SB VN-411B-M2 CONVERSION / BAe AIRCRAFT UTILIZING SMITHS EFIS | |
| 651-00077-0021 | 10/01/1997 | 1 | SERVICE BULLETIN, SB VN-411B-14 SEPARATE ADJUSTMENTS OF VOR/LOC COMPOSITE OUTP | |
| 150-040667 | 03/15/2000 | A | SERVICE BULLETIN, WSB VN-411B-2 POWER SUPPLY LATCH-UP AND TURN ON | |
| 150-042956 | 04/29/2003 | A | SERVICE BULLETIN, WSB VN-411B-7 INSPECTION OF GLIDESLOPE COVER SCREWS | |
| 150-042958 | 04/29/2003 | A | SERVICE BULLETIN, WSB VN-411B-8 VIBRATION PARAMETERS DURING TEST | |
| 150-042955 | 04/29/2003 | A | SERVICE BULLETIN, WSB VN-411B-6 INSPECTION FOR PROPER SOLDERING OF TRIMPOTS | |
| 150-040581 | 07/11/2003 | C | SERVICE BULLETIN, WSB VN-411B-1 INSPECTION OF CAPACITOR C22 | |
| 150-041853 | 03/19/2004 | A | SERVICE BULLETIN, WSB VN-411B-10 IMPROVES INTERMITTENT GS | |
| 150-041587 | 04/20/2004 | C | SERVICE BULLETIN, WSB VN-411B-4 REPLACEMENT OF RECEIVER CAPACITORS | |
| 150-07536-0000 | 12/12/2005 | B | SERVICE INSTRUCTION, WSI VN-411B-11 IMPROVES DRIFTING OF VOR BEARING AND GLIDESLOPE | |
| 150-01101 | 03/03/2006 | B | SERVICE INSTRUCTION, WSI VN-411B-22 CORRECTS NO POWER UP OR HIGH START UP | |
| 150-041730 | 03/17/2006 | B | SERVICE BULLETIN, WSB VN-411B-9 SWITCH TRANSFORMER DRIVE CIRCUITRY | |
| 651-00078-0011 | 03/17/2006 | B | SERVICE BULLETIN, SB VN-411B-21 ENHANCES SPURIOUS RESPONSE PERFORMANCE LEVEL | |
| 150-01101-27 | 06/19/2006 | A | SERVICE INSTRUCTION, WSI VN-411B-27 IMPROVE GLIDESLOPE AGC BOARD CLEARANCE & REDUCE NOISE | |
| 150-041534 | 06/23/2006 | C | SERVICE BULLETIN, WSB VN-411B-3 USE OF CAPACITORS WITH HIGHER VOLTAGE | |
| 150-042358 | 02/07/2007 | A | SERVICE INSTRUCTION WSI VN-411B-29, IMPROVE GS AND LOC SENSITIVITY BY GROUNDING R3165 | |
| 150-042446 | 10/23/2007 | A | SERVICE INSTRUCTION WSI VN-411B-32 REPLACE RICHEY CAP C3060 TO IMPROVE NAV CONVERTER RELIABILITY | |
| 150-041393 | 10/23/2007 | B | SERVICE INSTRUCTION, WSI VN-411B-3 MODIFICATION FOR ROTOR BLADE MODULATION | |
| 150-042379 | 12/27/2007 | D | SERVICE INSTRUCTION, WSI VN-411B-30 VOR SENSITIVITY IMPROVEMENT | |
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