# JASC 3425: Integrated Flight System - Type: JASC system/component code (FAA) - ATA chapter: 34 Navigation - Title in the code table: INTEGRATED FLT. DIRECTOR SYSTEM - Service difficulty reports: 1,148 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=38 - Page: https://openairdocs.org/jasc/3425 ## What it covers The system which computes, interrogates, and continuously displays basic attitude, position, and steering information in order to maintain a particular course, heading, or attitude. Does not include flight management system components, which should be assigned to JASC code 3460. Typical parts are integrated flight annunciator, integrated flight comparator, integrated flight computer/amplifier, integrated flight control and integrated flight indicators (i.e., horizontal situation indicator (HSI), attitude and direction indicator (ADI), attitude direction unit (ADU), heading and direction indicator (HDI), radio direction indicator (RDI), course direction indicator (CDI), flight director indicator (FDI), pictorial navigation indicator, flight command indicator, steering computer utilized in the integrated flight instrument systems, and other components such as cables, connectors, etc. ## Service difficulty reports (1,148, newest 50) - [SDR SIMA20261004002](https://openairdocs.org/sdr/SIMA20261004002), Oct 4, 2026: Emb ERJ170100SE. CONTROL UNIT. FAILED. IESS FAILED ON DECSENT, EMERGENCY DECLARED, R & R IESS UNIT IAW AMM 34-11-01 AND PERFORMED OPERATIONAL CHECK GOOD IAW AM (N749BM) - [SDR QMLA2026091720070](https://openairdocs.org/sdr/QMLA2026091720070), Sep 17, 2026: Pilats PC1245. EHSI. FAULTED. FUMES IN CABIN DUE TO EHSI FAILURE. INSPECTED ELECTRICAL CONNECTOR, WIRING, AND ALL AREAS ADJACENT TO EHSI UNIT. ODOR OF (N642PC) - [SDR DALA2026072004263](https://openairdocs.org/sdr/DALA2026072004263), Jul 18, 2026: Boeing 717200. RELAY. FAULTED. DIVERTED TO CVG DUE TO MULTIPLE FLIGHT DECK EFFECTS AFTER TAKEOFF. REPLACED LT PCDU, EMERGENCY POWER SWITCH AND EMERGENC (N950AT) - [SDR N6WA2026062211](https://openairdocs.org/sdr/N6WA2026062211), Jun 22, 2026: Cndair CL6002C11. WARNING MESSAGE. FALSE ACTIVATION. EFIS COMPUTER MONITOR HEADING CAUTION MESSAGE AT 10 KNOTS ON TAKEOFF ROLL. REJECTED TAKEOFF. PERFORMED FUNCTIONAL TEST O (N522GJ) - [SDR FDEA202605150598](https://openairdocs.org/sdr/FDEA202605150598), May 15, 2026: Airbus A300F4605R. IRU. FAILED. DURING INITIAL TAKEOFF, APPROXIMATELY 60 KIAS, MASTER WARNING CHIME AND IRS 3 FAULT, REJECTED TAKEOFF. RELEASED FOR SERV (N657FE) - [SDR N6WA2026041403](https://openairdocs.org/sdr/N6WA2026041403), Apr 13, 2026: Cndair CL6002C11. AHRS. MALFUNCTIONED. HEADING, FLT DIRECTOR, TERRAIN LOSS ON FO SIDE. SWAPPED AHRS COMPUTERS 1 AND 2 IAW AMM 34-21-01 NO FAULTS FOUND AT THIS (N538GJ) - [SDR ABXA20260321121](https://openairdocs.org/sdr/ABXA20260321121), Mar 21, 2026: Boeing 767338. INDICATOR. MALFUNCTIONED. STANDBY DRIFT LEFT BANK UP TO 12' AND DOWN 11' PERFORM A ERECT ALIGN AND FAST ALIGN IN FLT, INSTRUMENT IMPROVE BUT STILL (N317CM) - [SDR DXTA2026032307304](https://openairdocs.org/sdr/DXTA2026032307304), Mar 17, 2026: Cessna 680A. AHRS. FAULTED. NR 2 AHRS FAIL. DURING CRUISE, RIGHT SIDE PFD HAD A MOMENTARY RED X AND THEN POPULATED NORMALLY AGAIN. SHORTLY AFTER BOT (N649QS) - [SDR CALA2026020213491](https://openairdocs.org/sdr/CALA2026020213491), Jan 30, 2026: Boeing 737724. ADIRU. FAULTED. AFTER TAKE OFF, BOTH CA & FO LOST BOTH HEADING AND LATERAL INDICATIONS, FO DATA CAME BACK. ACP DCFS BITE, BPCS, GCU 1 & (N23721) - [SDR CALA2025123012532](https://openairdocs.org/sdr/CALA2025123012532), Dec 28, 2025: Boeing 737824. ADIRU. FAULTED. AFTER T/O LNAV WOULD NOT TRACK COURSE OR GO TO A FIK. TOMC RESET AIRBORN NO HELP FLAGGING FOR SDR PERFORMED FMCS L/R BIT (N76529) - [SDR CALA2025120811928](https://openairdocs.org/sdr/CALA2025120811928), Dec 3, 2025: Boeing 7379. ADIRU. FAULTY. SPEED DISAGREE SHOWS ON PFD CAPTAINS'S CAPT SIDE IAS DISAGREE PFD STD BY FO AGREE UP 9 KNOTS DIFF CREW REPORTED ALTITUDE (N77575) - [SDR S2KA251116412SW](https://openairdocs.org/sdr/S2KA251116412SW), Nov 16, 2025: Lear 31A. AHRS. FAULTY. AHS 1 & 2 FAILURE. HAPPENED IN CRUISE, AHS 1 & 2 ANNUNCIATORS. CAME BACK TO LIFE AFTER WE WERE ALREADY HEADING BACK TO B (N412SW) - [SDR DALA2025032502220](https://openairdocs.org/sdr/DALA2025032502220), Mar 24, 2025: Boeing 757232. INDICATOR. ODOR. ELECTRICAL SMELL IN COCKPIT. REMOVED AND REPLACED F/O HSI PER B757AMM 34-22,WHEN REMOVED ORGINAL HSI SMELLED BURNT ODOR (N649DL) - [SDR HALA20240807217](https://openairdocs.org/sdr/HALA20240807217), Aug 6, 2024: Airbus A330243. ADIRU. INOPERATIVE. ATB - ECAM NAV ADR 2 + 3 FAULT, NAV FM/ GPS POS DISAGREE, NAV IR 2 + 3 FAULT, FCMC 2 FAULT. ADIRU 2 REPLACED & TESTED IA (N380HA) - [SDR SIMA20221008001](https://openairdocs.org/sdr/SIMA20221008001), Oct 8, 2022: Emb EMB110*. NONE. DAMAGED. DECLARED AN EMERGNECY DUE TO AN STANDBY ATTITUDE INDICATION PROBLEM-C/A-RAR IES IAW ERJ-175 AMM 34-11-01.OPS CHECK GOOD. (N239NN) - [SDR MASA2022080100203](https://openairdocs.org/sdr/MASA2022080100203), Aug 1, 2022: Cndair CL6002D24. NONE. NONE. DCP FAILURE (EMER DECLARED). REPLACED DCP1. (N959LR) - [SDR 2022F00246](https://openairdocs.org/sdr/2022F00246), May 24, 2022: Beech 400A. NONE. INTERMITTENT. N473FL ABORTED TAKEOFF AT KBTR AT LOW SPEED DUE TO TAKEOFF CONFIGURATION WARNING. AFTER EXITING THE RUNWAY PITCH TRIM WA (N473FL) - [SDR AALA202110294211](https://openairdocs.org/sdr/AALA202110294211), Oct 28, 2021: Airbus A300*. INDICATOR. INOPERATIVE. AIRCRAFT WAS GROUNDED: DURING CRUISE FLIGHT STANDBY ALTITUDE INDICATOR ISIS WENT BLANK AND DISPLAYED OUT OF ORDER MESSAG (N170US) - [SDR QR9R20211028001](https://openairdocs.org/sdr/QR9R20211028001), Oct 28, 2021: Bolkms BK117C2. NONE. PRECESSES. STANDBY ATTITUDE INDICATOR PRECESSES 10 DEGREES WHEN IN FLIGHT. REPLACED STANDBY ATTITUDE INDICATOR (IPC: 34-25-02-01-10 - [SDR QR9R20210924001](https://openairdocs.org/sdr/QR9R20210924001), Sep 24, 2021: Bolkms BK117C2. UNKNOWN. PRECESSES. STANDBY GYRO PRECESSES 4 DEGREES IN 3 MINUTES RESULTING IN PRECAUTIONARY LANDING. STBY ATTITUDE INDICATOR REPLACED IAW 3 - [SDR SIMA20210921001](https://openairdocs.org/sdr/SIMA20210921001), Sep 21, 2021: Emb EMB145LR. NONE. NONE. FLT ENCOUNTERED SVR ICING FROZEN PITOT TUBES. AT 36,000 FEET, AIRCRAFT ENCOUNTERED SEVERE ICING. CAPTAIN'S IAS COMPARATO (N905JH) - [SDR AALA202104239004](https://openairdocs.org/sdr/AALA202104239004), Apr 22, 2021: Airbus A320214. FLIGHT DIR. MALFUNCTIONED. AIRCRAFT WAS GROUNDED: REJECTED TAKEOFF JUST PRIOR TO 80 KNOTS DUE TO CAPTAIN`S FLIGHT DIRECTOR MALFUNCTION. ACCOMPLISHE (N127UW) - [SDR AALA202104019003](https://openairdocs.org/sdr/AALA202104019003), Mar 31, 2021: Airbus A321253N. FLIGHT DIR. INOPERATIVE. AIRCRAFT WAS NOT GROUNDED: REJECTED TAKE-OFF AT 90 KNOTS DUE TO FLIGHT DIRECTOR OFF. NO FAULT NOTED. (N405AN) - [SDR SWAA2021020145036](https://openairdocs.org/sdr/SWAA2021020145036), Jan 27, 2021: Boeing 7378H4. ADIRU. FAULTY. IAS DISAGREE LT BOTH SIDES. CAPT LOST HIS AIRSPEED AND ALT INDICATIONS. SINGLE CHANNEL SPEED TRIM FAIL BOTH ENGINES WENT (N8607M) - [SDR FDEA202009222292](https://openairdocs.org/sdr/FDEA202009222292), Sep 22, 2020: Doug MD11F. COMPUTER. MALFUNCTIONED. PDIS 525 05-50 8662 22SEP20 SEA FACT U. REJECTED TAKEOFF PERFORMED AT INITIAL POWER UP BEFORE SETTING STANDARD TAKEOFF P (N525FE) - [SDR E0YA2020070900001](https://openairdocs.org/sdr/E0YA2020070900001), Jul 9, 2020: Beech 400A. AHRS. FAILED. DURING TAKEOFF ROLL. PILOT AHRS FAILED. (N156RK) - [SDR O2GA2020070851301](https://openairdocs.org/sdr/O2GA2020070851301), Jul 3, 2020: Cessna 560XL. AHRS. FAILED. IN CRUISE FLIGHT AUTOPILOT DISENGAGED. 'ATT FAIL' AND 'HDG FAIL' WARNING DISPLAYED ON PFD & MFD. FMS DISPLAYED 'AHRS-1 H (N513UP) - [SDR 2LCF20200603531](https://openairdocs.org/sdr/2LCF20200603531), May 31, 2020: Boeing 767316. PIN. OUT OF POSITION. ON THE MIA - GUA ROUTE, THE DISPLAY OF THE EADI INDICATION FOR THE FIRST OFFICER OF THE AIRCRAFT WAS LOST. ALTHOUGH THE (N542LA) - [SDR P5CA2020010700004](https://openairdocs.org/sdr/P5CA2020010700004), Jan 4, 2020: Boeing 767306. ADI. MALFUNCTIONED. FIRST OFFICER'S PRIMARY FLIGHT DISPLAY FAILED ON TAKEOFF ROLL AT 30 KNOTS.(

F/O ADI REMOVED AND INSPECTED. FOUND DEBRI (N647GT) - [SDR AALA202001069014](https://openairdocs.org/sdr/AALA202001069014), Jan 3, 2020: Boeing 737823. CONTROL PANEL. FAULTY. AIRCRAFT NOT GROUNDED: WHEN SETTING BARON ON BOTH CA AND FO SIDE, THE BUG OVER OR UNDER SHOOTS THE ATTEMPTED SETTING AFT (N847NN) - [SDR SIMA201912021002](https://openairdocs.org/sdr/SIMA201912021002), Dec 1, 2019: Emb EMB135KL. DISPLAY. FAILED. WHILE AT ALTITUDE, A FISHY SMELL FILLED THE COCKPIT AND CABIN, THE SMELL DISIPATED DURING DESCENT. REMOVED AND REPLACED (N836AE) - [SDR UIEA2019091005477](https://openairdocs.org/sdr/UIEA2019091005477), Sep 10, 2019: Boeing 76736N. INLET SCREEN. DIRTY. LEFT HSI SCREEN WENT BLACK FOR A LONG PERIOD, WITH A SMELL OF BURNING. THE SCREEN CAME BACK UP WITH NO CREW ACTION. REMO (N1013A) - [SDR AALA201909099011](https://openairdocs.org/sdr/AALA201909099011), Sep 7, 2019: Boeing 737823. INDICATOR. UNRELIABLE. AIRCRAFT NOT GROUNDED: PILOT REPORTS THE ISFD ALT FLAG AND IFSD SPEED FLAG ILLUMINATED IN FLIGHT. MAINTENANCE REMOVED AN (N956NN) - [SDR HNAA2019072900202](https://openairdocs.org/sdr/HNAA2019072900202), Jul 26, 2019: Emb EMB145LR. INDICATOR. DEFECTIVE. STAND-BY ATTITUDE INDICATOR NOT ERECT IN FLIGHT. FIX: R&RD STAND-BY ATTITUDE INDICATOR REF AMM 34-24-01. OPS CHECK GOOD (N631AE) - [SDR REXA2019072401132](https://openairdocs.org/sdr/REXA2019072401132), Jul 24, 2019: Cndair CL6002D24. AHRS. FAILED. AHRS 2 FAILURE AMBER PIT HDG EFIS COMP. REMOVED AND REPLACED AHRS #2 COMPUTER IAW AMM 34-21-01 OPS CHK GOOD OK FOR SVC. (N602LR) - [SDR AALA201907119001](https://openairdocs.org/sdr/AALA201907119001), Jul 10, 2019: Boeing 737823. FLIGHT DIR. INTERMITTENT. AIRCRAFT WAS GROUNDED: PILOT REPORTS CAPTS FLIGHT DIRECTOR INTERMITTENT, FLASHING AND UNUSABLE AFTER T/O. TOGA FD COMMAN (N972AN) - [SDR CA190702018](https://openairdocs.org/sdr/CA190702018), Jun 29, 2019: Bombdr BD7001A10. DISPLAY. FAILED. (CAN) ENROUTE IN CRUISE PHASE OF FLIGHT, THE PILOT`S PRIMARY FLIGHT DISPLAY (DISPLAY UNIT #1) AND MULTIFUNCTION DISPLAY - [SDR UIEA2019052304278](https://openairdocs.org/sdr/UIEA2019052304278), May 18, 2019: Boeing 76731B. HSI. FAILED. CAPTAIN'S HSI FAILED COMPLETELY ON SHORT FINAL ACCOMPANIED BY A BURNING SMELL. (

REMOVED AND REPLACED CAPTAINS EHSI IA (N1361A) - [SDR AALA201905069025](https://openairdocs.org/sdr/AALA201905069025), May 5, 2019: Boeing 757223. INDICATOR. FAILED. AIRCRAFT WAS GROUNDED: PILOT DECLARED EMERGENCY ON ACCOUNT OF LOSS OF STANDBY ATTITUDE INDICATION. AIRCRAFT OVERWEIGHT F (N691AA) - [SDR AALA201902049011](https://openairdocs.org/sdr/AALA201902049011), Feb 2, 2019: Boeing 737823. DIRECTOR. FAILED. LOST BOTH FLIGHT DIRECTORS AFTER TAKEOFF. SELECTED ROLL AND PITCH MODES ON CLEAN UP AND FLIGHT DIRECTOR INFORMATION WAS (N935AN) - [SDR F3LA2019010400003](https://openairdocs.org/sdr/F3LA2019010400003), Jan 3, 2019: Airbus A320251N. INDICATOR. FAILED. DISCREPANCY: REFERENCE LOG PAGE LP1170515-1. AIR-TURN-BACK ISIS ATTITUDE INDICATOR RED FLAG IN FLIGHT. AIRCRAFT WAS GROU (N305FR) - [SDR SIMA201811276005](https://openairdocs.org/sdr/SIMA201811276005), Nov 26, 2018: Emb EMB135KL. DISPLAY. MALFUNCTIONED. ISIS WENT DARK, THEN RE-APPEARED WITH WHITE "ATT" INSIDE RED BOX. NO ATTITUDE INFORMATION PRESENTED. OTHER INSTRUMENTATI (N855AE) - [SDR MASA2018101711457](https://openairdocs.org/sdr/MASA2018101711457), Oct 17, 2018: Cndair CL6002D24. AHRS. MALFUNCTIONED. DIV-SDR EFIS COMP MON. CA FO PFDS OFF. REPLACED NR 1 AHRS. (N931LR) - [SDR MASA2018101611447](https://openairdocs.org/sdr/MASA2018101611447), Oct 15, 2018: Cndair CL6002C10. AHRS. INACCURATE. EFIS COMP MON MSG. RERACKED NR 1 AHRS COMPUTER AND OPS TEST GOOD. (N512MJ) - [SDR UIEA2018100802204](https://openairdocs.org/sdr/UIEA2018100802204), Oct 8, 2018: Boeing 767306. HSI. MALFUNCTIONED. "WXR DSPY" MESSAGE ON CA HSI INTERMITTENTLY THROUGHOUT FLIGHT. REPEAT WRITE-UP. R&R HSI. (N1427A) - [SDR UIEA2018090401888](https://openairdocs.org/sdr/UIEA2018090401888), Aug 30, 2018: Boeing 767324. CONTROL PANEL. FAULTY. WXR SYS STATUS MESSAGE AFTER SWITCHING TO SYS 2 ON CONTROL HEAD, AND WXR FAIL AMBER MESSAGE LOWER LEFT ON EHSI. REMOVED (N645GT) - [SDR AALA201808319035](https://openairdocs.org/sdr/AALA201808319035), Aug 30, 2018: Boeing 767323. COMPUTER. FAULTY. AIRCRAFT WAS GROUNDED: AT TAKEOFF, LOSS OF AUTO THROTTLE AND FLIGHT DIRECTOR AIR SPEED MONITOR AND ALTERNATIVE POINTER O (N379AA) - [SDR AALA201808319033](https://openairdocs.org/sdr/AALA201808319033), Aug 30, 2018: Boeing 767323. CONTROL PANEL. FAULTY. AIRCRAFT WAS GROUNDED: AT TAKEOFF, LOSS OF AUTO THROTTLE AND FLIGHT DIRECTOR AIR SPEED MONITOR AND ALTERNATIVE POINTER O (N379AA) - [SDR UIEA2018082901843](https://openairdocs.org/sdr/UIEA2018082901843), Aug 29, 2018: Boeing 767324. CONTROL PANEL. FAULTY. WXR SYS STATUS MESSAGE AFTER SWITCHING TO SYS 2 ON CONTROL HEAD, AND WXR FAIL AMBER MESSAGE LOWER LEFT ON EHSI. REMOVED (N645GT) - [SDR SIMA201808210001](https://openairdocs.org/sdr/SIMA201808210001), Aug 20, 2018: Emb EMB135KL. DISPLAY. FAILED. FO MFD FAILED IN FLIGHT WITH ELECTRICAL ODOR. CAPTAIN PULLED THE CIRCUIT BREAKER. RESET THE CIRCUIT BREAKER . REMOVED AN (N809AE) All 1,148: https://openairdocs.org/jasc/3425/reports.md ## 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 3415](https://openairdocs.org/jasc/3415): High Speed Warning (39 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 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) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.