# JASC 3415: High Speed Warning

- Type: JASC system/component code (FAA)
- ATA chapter: 34 Navigation
- Title in the code table: HIGH SPEED WARNING
- Service difficulty reports: 39
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=37
- Page: https://openairdocs.org/jasc/3415

## What it covers

The system components and parts, including the computer which sense, transmit and provide warning when operating air speed limits are exceeded. Typical parts are transducer, stall warning detector, switch, vane, horn, lamp, warning unit computer, module, etc.

## Service difficulty reports (39)

- [SDR HNAA2025123100870](https://openairdocs.org/sdr/HNAA2025123100870), Dec 30, 2025: Emb EMB145LR. CONTROL PANEL. MALFUNCTIONED. UNABLE TO SET BARO FOR ADC 1 REGARDLESS OF REVERSIONARY PANEL SETTING. FACT 30DEC25 18:49 PHL R/R PFD 100 IAW AMM 34-22- (N651AE)
- [SDR QXEA2025102400330](https://openairdocs.org/sdr/QXEA2025102400330), Oct 22, 2025: Emb ERJ170200LR. MODULE. MALFUNCTIONED. FLIGHT 2268. IN CRUISE FLIGHT @ FLT 360 MASTER CAUTION & CAUTION MSG ON EICAS "ADS 1 FAIL." AUTO REVERSION TO ADS 3. MSG (N659QX)
- [SDR QXEA2025052900229](https://openairdocs.org/sdr/QXEA2025052900229), May 25, 2025: Emb ERJ170200LR. PROBE. FOD. FLIGHT 2016. REJECTED TAKEOFF AT APPROX. 100 KTS IAS DUE TO IAS MISMATCH FLAG ON AIRSPEED DIFFERENCE WAS APPROX. 10-15 K (N625QX)
- [SDR QR9R20220818003](https://openairdocs.org/sdr/QR9R20220818003), Aug 18, 2022: Bolkms BK117C2. AIR DATA MODULE. FAILED. DURING START/RUN-UP, TRANSPONDER WOULD NOT DISPLAY OAT OR DA. REMOVED AND REPLACED #2 ADU IAW AMM 34-11-00, 4-1. MOC SUC
- [SDR UIEA2022051500480](https://openairdocs.org/sdr/UIEA2022051500480), May 15, 2022: Boeing 76731B. SWITCH. FAILED. BARBER POLE WOULD NOT ADVANCE AFTER PASSING 10,000FT. INVESTIGATED AND FOUND VMO SWITCH TO BE IN THE ALT POSITION. SWITC (N1361A)
- [SDR QXEA2022042200167](https://openairdocs.org/sdr/QXEA2022042200167), Apr 20, 2022: Emb ERJ170200LR. EICAS. INOPERATIVE. TAT 2 FAIL EICAS ADVISORY MESSAGE ON TAKEOFF ROLL. REJECTED T.O. AT 82 KTS. NO AMBER DASHES SHOWN FOR TAT, SAT, TAS INDI (N650QX)
- [SDR AALA201905319006](https://openairdocs.org/sdr/AALA201905319006), May 29, 2019: Doug MD83. CONTROL UNIT. FALSE ACTIVATION. AIRCRAFT WAS GROUNDED: PILOT REPORTS CLACKER SOUNDED AND OVERSPEED WAS ANNUNCIATED WHILE AT CRUISE FL220 SPEED 320 KIAS, (N983TW)
- [SDR AALA201905149001](https://openairdocs.org/sdr/AALA201905149001), May 13, 2019: Airbus A319115. WARNING SYSTEM. ACTIVATED. AIRCRAFT NOT GROUNDED: PILOT REPORTS ON DECENT AT APROX 5000' AUTOPILOT AND AUTOTHRUST ON TURBULENCE (LIGHT) CAUSED AIRS (N9008U)
- [SDR AALA2019041219006](https://openairdocs.org/sdr/AALA2019041219006), Apr 10, 2019: Airbus A321211. SENSOR. FAULTY. AIRCRAFT WAS GROUNDED: PILOT REPORTS FLIGHT RETURNED TO PHX ON ACCOUNT OF FALSE OVERSPEED WARNING. EMERGENCY DECLARED AN (N189UW)
- [SDR FDEA201506262094](https://openairdocs.org/sdr/FDEA201506262094), Jun 26, 2015: Airbus A300F4605R. MOISTURE TRAP. LEAKING. REVIEWED QRH ON TAXI OFF ROLL, HAD ABOUT 5 KTS SPLIT BETWEEN CAPTAINS PFD & STBY, FOR UNRELIABLE AT 80 KTS, SPLIT GOT GR (N684FE)
- [SDR HALA2014040500045](https://openairdocs.org/sdr/HALA2014040500045), Apr 5, 2014: Boeing 7673CB. PROBE. MALFUNCTIONED. AFTER TAKEOFF, TAT PROBE FOLLOWED BY AUTOTHROTTLE DISC DISPLAYED ILLUMINATED ON EICAS, FOLLOWED BY LT ENGINE EEC MODE. R (N590HA)
- [SDR R61A201207070343](https://openairdocs.org/sdr/R61A201207070343), Jul 7, 2012: Emb ERJ170200LR. PANEL. UNSERVICEABLE. CREW REPORTED DURING CLIMB EN ROUTE TO PHL THE CAPTAIN'S AIRSPEED WAS NOTED TO BE 30 KNOTS LOWER THAN THE F/O'S. CREW DE (N128HQ)
- [SDR 2010FA0000370](https://openairdocs.org/sdr/2010FA0000370), Apr 16, 2010: Cessna S550. SWITCH. INOPERATIVE. OVERSPEED WARNING INOPERATIVE. TESTED ON GROUND AND FOUND OVERSPEED WARNING SWITCH, PN 9912076-12, SN 173 TO BE OUT OF C
- [SDR 2010FA0000368](https://openairdocs.org/sdr/2010FA0000368), Apr 16, 2010: Cessna S550. SWITCH. INOPERATIVE. OVERSPEED WARNING INOPERATIVE. TESTED ON GROUND AND FOUND OVERSPEED WARNING SWITCH, PN 9912076-12, SN 173 TO BE OUT OF C
- [SDR 2010FA0000367](https://openairdocs.org/sdr/2010FA0000367), Apr 16, 2010: Cessna S550. SWITCH. INOPERATIVE. OVERSPEED WARNING INOPERATIVE. TESTED ON GROUND AND FOUND OVERSPEED WARNING SWITCH, P/N 9912076-12, S/N 173 TO BE OUT OF
- [SDR HALA2010031400107](https://openairdocs.org/sdr/HALA2010031400107), Mar 14, 2010: Boeing 7673G5. INDICATOR. MALFUNCTIONED. ETOPS SIGNIFICANT SYSTEM - CAPT AIRSPEED FLAG INTERMITTENT ON SHORT FINAL AND TAXI IN. REPLACED CAPT MACH/A/S IND, OPS C (N584HA)
- [SDR UALA2009122103932](https://openairdocs.org/sdr/UALA2009122103932), Dec 19, 2009: Boeing 777222. MODULE. FAULTY. STDBY ALTIMETER AND STDBY AIRSPEED PROBLEM. A-S INDICATOR BLANKS OUT IN BOTH POSITIONS A-S POSITION AND ALSO IN ALTITUDE (N781UA)
- [SDR HALA2009121700589](https://openairdocs.org/sdr/HALA2009121700589), Dec 17, 2009: Boeing 76733A. INDICATOR. INOPERATIVE. ETOPS SIGNIFICANT SYS - ON TAKEOFF V1 INOP (AMBER) ON ADI SPEEDTAPE, NO SPEEDS FOR VR OR V2. INPUT V1 SPEED IAW FIM 34-6 (N582HA)
- [SDR DL75E090089](https://openairdocs.org/sdr/DL75E090089), Jan 22, 2008: Boeing 757212. PROBE. MALFUNCTIONED. TAT TEMP DISPLAY ERRONEOUS AT FL310 TAT READ -75 SAT -96. FOUND TAT AND SAT TEMPS SHOWING -56. REMOVED AND REPLACED TAT  (N752AT)
- [SDR 200703211](https://openairdocs.org/sdr/200703211), Mar 18, 2007: Emb ERJ170100SE. PROBE. DEFECTIVE. FLIGHT 6482 ATL TO MDW AT ABOUT 90 KTS ACCELERATING, CREW RECEIVED AMBER -IAS- COMPARATOR MESSAGES ON THE AIRSPEED TAPES (N863RW)
- [SDR YENA2007008](https://openairdocs.org/sdr/YENA2007008), Feb 6, 2007: Emb ERJ190100IGW. PROBE. FAULTED. FLIGHT MANAGEMENT DISABLED, ADS 3 FAIL AND OVERSPEED ANNUNCIATION IN DESCENT AT 17000FT, UNRELIABLE AIRSPEED INDICATIONS (N258JB)
- [SDR 200609030](https://openairdocs.org/sdr/200609030), Sep 19, 2006: Boeing 7572Q8. INDICATOR. MALFUNCTIONED. CAPT'S AIRSPEED INDICATOR SPEED POINTER SHOWED ZERO AT 80 KNOTS. ACCOMPLISHED HIGH SPEED ENERGY STOP AS PER MM CHAP 5-51 (N401JS)
- [SDR A6WA200640160](https://openairdocs.org/sdr/A6WA200640160), Apr 25, 2006: Cndair CL6002B19. WARNING LIGHT. ILLUMINATED. RECEIVED EFIS COMP MON ABOVE 80 KNOTS IAS MESSAGE V1, AFTER TAKEOFF RECEIVED STALL FAIL CAUTION 800 FT EXTREMELY LOUD NO (N407AW)
- [SDR MEX2003466](https://openairdocs.org/sdr/MEX2003466), Oct 5, 2003: Doug MD88. PITOT TUBE. OBSTRUCTED. AIRCRAFT RETURN OF FLIGHT DUE TO LEFT VELOCIMETER WAS OUT OF SERVICE. DURING REVISION WAS DETECTED THAT THE PITOT TUBE W (N158PL)
- [SDR DXTA200300052](https://openairdocs.org/sdr/DXTA200300052), Jun 21, 2003: Cessna 750. PITOT TUBE. CONTAMINATED. YAW DAMPER & MACH TRIM DISENGAGED DURING TAKEOFF ROLL, ABORTED TAKEOFF. FOUND WATER SITTING IN RT PITOT TUBE. REMOVED RT (N904QS)
- [SDR SWIA200311665](https://openairdocs.org/sdr/SWIA200311665), Jan 1, 2003: Emb EMB120ER. WARNING SYSTEM. FALSE ACTIVATION. HIGH SPEED WARNING ON TAKEOFF AT 60 KIAS. ABORTED TAKEOFF. THIS HAPPENED TWICE. PERFORMED TEST PROCEDURES FOR BOTH AIRSP (N207SW)
- [SDR I122003F00000](https://openairdocs.org/sdr/I122003F00000), Nov 22, 2002: Lear 35A. SWITCH. FAILED. MACH OVERSPEED SWITCH FAILED DURING FUNCTIONAL TEST. (N971K)
- [SDR MWEA020260](https://openairdocs.org/sdr/MWEA020260), Apr 14, 2002: Doug DC932. SWITCH. FAULTY. AT 90 KNOTS, THE OVERSPEED WARNING WENT OFF. REMOVED AND REPLACED CAPTAIN'S OVERSPEED WARNING SWITCH. (N216ME)
- [SDR MWEA020259](https://openairdocs.org/sdr/MWEA020259), Apr 12, 2002: Doug DC932. SENSOR. FAULTY. THE OVERSPEED WARNING WENT OFF. REJECTED TAKEOFF. REMOVED AND REPLACED OVERSPEED SENSOR, OPS CHECK OK. (N216ME)
- [SDR MWEA020258](https://openairdocs.org/sdr/MWEA020258), Apr 11, 2002: Doug DC932. WARNING SYSTEM. OUT OF ADJUST. OVERSPEED WARNING SOUNDED. REJECTED TAKEOFF AT LESS THAN 20 KTS. DEFERRED OVERSPEED WARNING. PERFORMED ADJUSTMENT/TEST O (N216ME)
- [SDR SWIA200210634](https://openairdocs.org/sdr/SWIA200210634), Feb 7, 2002: Emb EMB120ER. WARNING SYSTEM. MALFUNCTIONED. TRIPLE CHIME HIGH SPEED WARNING ON TAKEOFF. ABORTED TAKEOFF. CHECKED BOTH AIRSPEED INDICATOR HIGH SPEED WARNINGS AND FOU (N188SW)
- [SDR SWIA200210626](https://openairdocs.org/sdr/SWIA200210626), Jan 26, 2002: Emb EMB120ER. WARNING SYSTEM. MALFUNCTIONED. HIGH SPEED AURAL WARNING ACTIVATED AT 80 KTS ON TAKEOFF ROLL. OPERATED TEST PER MM 34-12-01. NO DISCREPANCIES NOTED ON G (N188SW)
- [SDR SCNA01044](https://openairdocs.org/sdr/SCNA01044), Jun 12, 2001: Boeing 727282. SWITCH. FAULTY. DURING TAKEOFF ROLL, WHEN THE POWER WAS ADVANCED THE TAKEOFF WARNING HORN SOUNDED. ABORTED TAKEOFF, VERIFIED SPEED BRAKE (N281SC)
- [SDR DHL2001741003](https://openairdocs.org/sdr/DHL2001741003), Feb 6, 2001: Boeing 7272Q9. INDICATOR. MALFUNCTIONED. F/O AIRSPEED INDICATOR GOT MACH AND UMO FLAGS IN VIEW DURING TAXI-OUT. UMO FLAG IN VIEW ON F/O MACH A/S INDICATOR NR 2 M (N741DH)
- [SDR SCNA00124](https://openairdocs.org/sdr/SCNA00124), Nov 24, 2000: Boeing 7272M7. SWITCH. INTERMITTENT. DURING TAKEOFF ROLL, TAKEOFF WARNING OCCURRED, ABORTED TAKEOFF. RESET FLAPS, TRIM, SPEED BRAKE AND COULD NOT DUPLICATE.  (N294SC)
- [SDR 20000505SH028](https://openairdocs.org/sdr/20000505SH028), Mar 9, 2000: Piper PA28181. SENSOR. LEAKING. *STATIC SYSTEM LEAK GREATER THAN 100 FEET/MINUTE TRACED TO THIS UNIT. AR850 ONLY TWO YEARS IN SERVICE SINCE AIRCRAFT WAS (N4145A)
- [SDR SWAA000177](https://openairdocs.org/sdr/SWAA000177), Jan 29, 2000: Boeing 7373H4. ASI. INOPERATIVE. ABORTED TAKEOFF, CAPT'S ASI INOP DURING TAKEOFF. C/W SELF TEST ON NR 1 AIR DATA COMPUTER SYSTEM, OPS CK GOOD. (N624SW)
- [SDR AWXA9900433](https://openairdocs.org/sdr/AWXA9900433), Nov 28, 1999: Boeing 7373G7. INDICATOR. FAILED. ON DEPARTURE, HIGH SPEED CLACKER SOUNDED AT APPROXIMATELY 95 KTS. T/O ABORTED. REPLACED F/O'S AIRSPEED INDICATOR TT 0043 (N151AW)
- [SDR 97ZZZX4288](https://openairdocs.org/sdr/97ZZZX4288), Sep 10, 1997: Cessna 550. SWITCH. FAILED. DURING POST-FLIGHT CHECK, THE MACH AIRSPEED WARNING SYSTEM WOULD NOT TEST PROPERLY. TROUBLESHOOTING REVEALED A BAD MACH  (N846HS)

## Other codes in chapter 34

- [JASC 3400](https://openairdocs.org/jasc/3400): Navigation System (692 reports)
- [JASC 3410](https://openairdocs.org/jasc/3410): Flight Environment Data (218 reports)
- [JASC 3411](https://openairdocs.org/jasc/3411): Pitot/Static System (1,586 reports)
- [JASC 3412](https://openairdocs.org/jasc/3412): Outside Air Temperature Indicator/Sensor (254 reports)
- [JASC 3413](https://openairdocs.org/jasc/3413): Rate of Climb Indicator (157 reports)
- [JASC 3414](https://openairdocs.org/jasc/3414): Airspeed/Mach Indicator (860 reports)
- [JASC 3416](https://openairdocs.org/jasc/3416): Altimeter, Barometric/Encoder (1,256 reports)
- [JASC 3417](https://openairdocs.org/jasc/3417): Air Data Computer (1,210 reports)
- [JASC 3418](https://openairdocs.org/jasc/3418): Stall Warning System (1,641 reports)
- [JASC 3420](https://openairdocs.org/jasc/3420): Attitude and Direction Data System (772 reports)
- [JASC 3421](https://openairdocs.org/jasc/3421): Attitude Gyro and Indicating System (1,142 reports)
- [JASC 3422](https://openairdocs.org/jasc/3422): Directional Gyro and Indicating System (649 reports)
- [JASC 3423](https://openairdocs.org/jasc/3423): Magnetic Compass (101 reports)
- [JASC 3424](https://openairdocs.org/jasc/3424): Turn and Bank/Rate of Turn Indicator (153 reports)
- [JASC 3425](https://openairdocs.org/jasc/3425): Integrated Flight System (1,148 reports)
- [JASC 3430](https://openairdocs.org/jasc/3430): Landing and Taxi Aids (56 reports)
- [JASC 3431](https://openairdocs.org/jasc/3431): Localizer/VOR System (129 reports)
- [JASC 3432](https://openairdocs.org/jasc/3432): Glide Slope System (66 reports)
- [JASC 3433](https://openairdocs.org/jasc/3433): Microwave Landing System (26 reports)
- [JASC 3434](https://openairdocs.org/jasc/3434): Marker Beacon System (27 reports)
- [JASC 3435](https://openairdocs.org/jasc/3435): Heads Up Display System (10 reports)
- [JASC 3436](https://openairdocs.org/jasc/3436): Wind Shear Detection System (70 reports)
- [JASC 3440](https://openairdocs.org/jasc/3440): Independent Position Determining System (261 reports)
- [JASC 3441](https://openairdocs.org/jasc/3441): Inertial Guidance System (289 reports)
- [JASC 3442](https://openairdocs.org/jasc/3442): Weather Radar System (3,442 reports)
- [JASC 3443](https://openairdocs.org/jasc/3443): Doppler System (110 reports)
- [JASC 3444](https://openairdocs.org/jasc/3444): Ground Proximity System (552 reports)
- [JASC 3445](https://openairdocs.org/jasc/3445): Air Collision Avoidance System (214 reports)
- [JASC 3446](https://openairdocs.org/jasc/3446): Non Radar Weather System (23 reports)
- [JASC 3450](https://openairdocs.org/jasc/3450): Dependent Position Determining System (106 reports)
- [JASC 3451](https://openairdocs.org/jasc/3451): DME/TACAN System (197 reports)
- [JASC 3452](https://openairdocs.org/jasc/3452): ATC Transponder System (624 reports)
- [JASC 3453](https://openairdocs.org/jasc/3453): Long-Range Navigation (LORAN) System (175 reports)
- [JASC 3454](https://openairdocs.org/jasc/3454): Visual Omnirange (VOR) System (317 reports)
- [JASC 3455](https://openairdocs.org/jasc/3455): Automatic Direction Finder (ADF) System (164 reports)
- [JASC 3456](https://openairdocs.org/jasc/3456): Omega Navigation System (9 reports)
- [JASC 3457](https://openairdocs.org/jasc/3457): Global Positioning System (635 reports)
- [JASC 3460](https://openairdocs.org/jasc/3460): Flight Management Computing Hardware System (4,690 reports)
- [JASC 3461](https://openairdocs.org/jasc/3461): Flight Management Computing Software System (68 reports)
- [JASC 3497](https://openairdocs.org/jasc/3497): Navigation System Wiring (269 reports)

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