# JASC 2212: Altitude Controller

- Type: JASC system/component code (FAA)
- ATA chapter: 22 Auto Flight
- Title in the code table: ALTITUDE CONTROLLER
- Service difficulty reports: 29
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=17
- Page: https://openairdocs.org/jasc/2212

## What it covers

The units transmitting output information signals to automatically maintain a predetermined altitude, rate of climb, or descent. Does not include the connecting system parts such as the sensor switch. The controller make and model should be included.

## Service difficulty reports (29)

- [SDR 2026FA0000677](https://openairdocs.org/sdr/2026FA0000677), Sep 2, 2026: Cessna 560XL. AHRS. FAILED. SEPTEMBER 1, 2026, WHILE ENROUTE ON A PASSENGERS CHARTER TRIP FROM EYW TO OKC AT 60 N.M. SOUTH OF WAYPOINT JAWJA IN VMC  (N916DK)
- [SDR V6HA201902080001](https://openairdocs.org/sdr/V6HA201902080001), Feb 5, 2019: Beech 200BEECH. MODULE. INTERMITTENT. ON RE-POSITIONING FLIGHT FOR MAINTENANCE OF OTHER SYSTEM, AIRCRAFT WAS ON AUTO-PILOT AND ALTITUDE HOLD WAS SELECTED AND  (N332CA)
- [SDR HYIA2014040400002](https://openairdocs.org/sdr/HYIA2014040400002), Apr 4, 2014: Cessna 402C. SENSOR. FAILED. AUTOPILOT COMPUTER CIRCUIT BREAKER TRIPPED WITH A HOT ELECTRICAL ODOR IN CABIN. INSPECTED & FOUND ODOR FROM ALTITUDE SEN (N3249M)
- [SDR XTTA09030918](https://openairdocs.org/sdr/XTTA09030918), Sep 3, 2009: Cessna 421B. AUTOPILOT SYS. SHORTED. ON APPROACH, A FEW WISPS OF SMOKE WAS SEEN IN THE COCKPIT EMANATING FROM THE PILOT'S SIDE OF THE INSTRUMENT PANEL. AT TH (N21WT)
- [SDR RMXAN317NA0492009](https://openairdocs.org/sdr/RMXAN317NA0492009), Apr 9, 2009: Pilats PC1245. RELAY. FAULTY. UPON APPROACH TO LANDING, THE ACFT BEGAN PITCHING UP WITH TRIM RUNAWAY CONDITION. AT THE SAME MOMENT THE TRIM BEGAN THE  (N317NA)
- [SDR ABXA080056](https://openairdocs.org/sdr/ABXA080056), Feb 14, 2008: Doug DC931. CONTROLLER. DEFECTIVE. ON GROUND AT ALB, NOTED HEAVY ODOR OF BURNING ELECTRICAL EQUIPMENT. AIRED OUT COCKPIT, CLOSED UP AGAIN AND SMELL RETURNE (N906AX)
- [SDR ARWA20080103](https://openairdocs.org/sdr/ARWA20080103), Jan 25, 2008: Doug DC1010. CONTROLLER. MALFUNCTIONED. ALTITUDE HOLD SLOW TO ENGAGE. PERFORMED ALTITUDE HOLD SYSTEM OPERATIONAL CHECK IN ACCORDANCE WITH M/M 22-00-03, FOUND NO (N68041)
- [SDR COMA0760475](https://openairdocs.org/sdr/COMA0760475), Jul 12, 2007: Cndair CL6002B19. COMPUTER. MALFUNCTIONED. FLIGHT 5482 - FAILED TO GET CONFIG MESSAGE ON TAKEOFF. IAPS DEGRADED MESSAGE FOLLOWED. TAKEOFF WAS ABORTED. CHECKED MDC  (N588SW)
- [SDR 0500359926](https://openairdocs.org/sdr/0500359926), Mar 14, 2005: Doug DC932. COMPUTER. MALFUNCTIONED. WHILE CRUISING AT FL340, THE AUTOPILOT PITCH BEGAN TO FLUCTUATE +/- 500 FPM WHILE IN "ALTITUDE HOLD". FLIGHT CREW SUSPEC (N926NW)
- [SDR HE66094217](https://openairdocs.org/sdr/HE66094217), Apr 16, 2004: Urocop EC135T1. BUTTON. BROKEN. WHEN ACTIVATING ALT HOLD, THE LIGHT WOULD NOT IGNITE CONFIRMING ALT HOLD WAS ENGAGED. (N135CR)
- [SDR SWIA200312314](https://openairdocs.org/sdr/SWIA200312314), Aug 22, 2003: Emb EMB120ER. CONTROLLER. MALFUNCTIONED. AFTER AUTOPILOT IS ENGAGED, ALL PARTS OF AUTOPILOT SYSTEM WORK PROPERLY EXCEPT THE AUTOPILOT WILL NOT CHANGE THE PITCH O (N295SW)
- [SDR HEEA088092](https://openairdocs.org/sdr/HEEA088092), Jul 9, 2003: Bolkms BK117A1. CONTROL UNIT. DAMAGED. POSSIBLE DAMAGE DUE TO SHORT IN WIRING HARNESS. SENT TO AMERICAN EUROCOPTER CORP. FOR WARRANTY REPAIR.
- [SDR HEEA087791](https://openairdocs.org/sdr/HEEA087791), Jun 20, 2003: Skrsky S76C. CONTROLLER. INTERMITTENT. FD SEL SEGMENT BLOCK IS INTERMITTENT. TO BE SENT TO VENDOR FOR REPAIR. (N505PH)
- [SDR HEEA080562](https://openairdocs.org/sdr/HEEA080562), Jul 29, 2002: Bell 412. SENSOR. INOPERATIVE. ALTITUDE HOLD MODE INOPERATIVE. (N107X)
- [SDR DHL2001745017](https://openairdocs.org/sdr/DHL2001745017), Oct 26, 2001: Boeing 727224. CONTROLLER. FAULTY. AUTO PILOT ALT HOLD MODE ON, HOLDS ALT FOR SHORT TIME. ALT DEVIATION OCCURS, INITIALLY USES YOKE TO COMPENSATE, THEN USE (N745DH)
- [SDR DHL2001721008](https://openairdocs.org/sdr/DHL2001721008), Sep 25, 2001: Boeing 727228. AUTOPILOT SYS. MALFUNCTIONED. EACH TIME ALTITUDE HOLD IS DISENGAGED, A/C ABRUPTLY PITCHES UP AND CLIMB AT 500-100 FPM, STAB OUT OF TRIM LIGHT IS NOT I (N721DH)
- [SDR DHL2001362018](https://openairdocs.org/sdr/DHL2001362018), May 30, 2001: Airbus A300B4103. COMPUTER. FAULTY. PRIOR TO LEVEL OFF, A/P NR 1 DISENGAGED, UPON RE-ENGAGEMENT, CAPT FPI INDICATES NORMAL. HOWEVER, A/C DIDN'T CAPTURE ALT. (N362DH)
- [SDR HEEA072488](https://openairdocs.org/sdr/HEEA072488), Apr 11, 2001: Bell 412. CONTROL UNIT. FAILED. NR 2 HELIPILOT WILL NOT CYCLE AFCS CAUTION LIGHT WITH HELIPILOT ON AND TURNING HELIPILOT NR 2 ON AND OFF. (N3893L)
- [SDR DHL2001367002](https://openairdocs.org/sdr/DHL2001367002), Apr 5, 2001: Airbus A300B4203. AUTOPILOT SYS. MALFUNCTIONED. AT FL 290 NR 2 AUTOPILOT LEVELS OFF 200 FT HIGH THEN CONTINUES TO DRIFT HIGHER. NR 1 A/P NORMAL. PERFORMED A/P COMPLEMEN (N367DH)
- [SDR AU010271](https://openairdocs.org/sdr/AU010271), Mar 12, 2001: Fokker F28MK1000. WARNING SYSTEM. FAILED. (AUS) ALTITUDE ALERT SYSTEM FAILED. ALTITUDE PRESELECT COUPLER CHANGED.
- [SDR SWAA000033](https://openairdocs.org/sdr/SWAA000033), Jan 4, 2000: Boeing 7375H4. SENSOR. INOPERATIVE. WHEN AUTOPILOT ENGAGED, ACFT WOULD NOT HOLD ALTITUDE (RAPID NOSE DOWN TRIM). REMOVED AND REPLACED ELEVATOR NEUTRAL SHIFT (N512SW)
- [SDR AU990308](https://openairdocs.org/sdr/AU990308), Mar 1, 1999: Aerosp SA365C. ACTUATOR. BINDING. (AUS) AUTOPILOT COMPENSATION ACTUATOR BINDING.
- [SDR HEEA060105](https://openairdocs.org/sdr/HEEA060105), Jan 21, 1999: Bell 214ST. SENSOR. ERRATIC. ALTITUDE SENSOR ERRATIC ABOVE 1,000 FEET. (N59805)
- [SDR 99ZZZX672](https://openairdocs.org/sdr/99ZZZX672), Jan 19, 1999: Israel ASTRASPX. COMPENSATOR. LEAKING. THIS UNIT FAILED PRESSURE TEST DURING AN INSPECTION. THIS IS A KNOWN PROBLEM. UNIT MUST HOLD APPROXIMATELY 40 PSI FOR 3  (N273RA)
- [SDR HEEA0014528](https://openairdocs.org/sdr/HEEA0014528), Jun 4, 1998: Bell 412. SENSOR. MALFUNCTIONED. AUTOPILOT PORPOISES IN PITCH OR ALTIMETER OR VSI MODE. (N107X)
- [SDR HEEA0014522](https://openairdocs.org/sdr/HEEA0014522), Jun 4, 1998: Bell 214ST. SENSOR. MALFUNCTIONED. WHEN ATTITUDE HOLD ENGAGED, AIRCRAFT HUNTS 200 FEET TO 300 FEET UP AND DOWN. (N59806)
- [SDR HEEA0011648](https://openairdocs.org/sdr/HEEA0011648), Oct 22, 1997: Bell 214ST. SENSOR. MALFUNCTION. AIRCRAFT DIVES WHEN ALT HOLD ENGAGED. (N6957Y)
- [SDR 9521269972](https://openairdocs.org/sdr/9521269972), Dec 20, 1995: Doug DC931. CONTROLLER. MALFUNCTIONED. ON THE FIRST TWO ATTEMPTS TO ENGAGE THE AUTOPILOT SYSTEM, THE AIRCRAFT EXPERIENCED A SLIGHT ROLL. AIRCRAFT OPERATED NORM (N9336)
- [SDR VTZA96035](https://openairdocs.org/sdr/VTZA96035), Dec 3, 1995: Jetair JETSTM4101. CONTROLLER. FAILED. IAD-TYS - FLT NR 6160 - DURING CLIMB-OUT, RETURNED TO IAD DUE TO THERE BEING A BURNING SMELL IN THE CABIN. AIRCRAFT LAND (N302UE)

## Other codes in chapter 22

- [JASC 2200](https://openairdocs.org/jasc/2200): Auto Flight System (567 reports)
- [JASC 2210](https://openairdocs.org/jasc/2210): Autopilot System (4,014 reports)
- [JASC 2211](https://openairdocs.org/jasc/2211): Autopilot Computer (585 reports)
- [JASC 2213](https://openairdocs.org/jasc/2213): Flight Controller (148 reports)
- [JASC 2214](https://openairdocs.org/jasc/2214): Autopilot Trim Indicator (9 reports)
- [JASC 2215](https://openairdocs.org/jasc/2215): Autopilot Main Servo (267 reports)
- [JASC 2216](https://openairdocs.org/jasc/2216): Autopilot Trim Servo (128 reports)
- [JASC 2220](https://openairdocs.org/jasc/2220): Speed-Attitude Correction System (118 reports)
- [JASC 2230](https://openairdocs.org/jasc/2230): Auto Throttle System (1,084 reports)
- [JASC 2250](https://openairdocs.org/jasc/2250): Aerodynamic Load Alleviating (15 reports)
- [JASC 2297](https://openairdocs.org/jasc/2297): Auto Flight System Wiring (149 reports)

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