# N503AA: 1974 Mitsubishi MU-2B-35, registration cancelled 2006-09-12

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 12, 2006
- Status when cancelled: Valid registration
- Airframe: [Mitsubishi MU-2B-35](https://openairdocs.org/model/mitsubishi-mu-2b-35) (registry code 5780411)
- Engine: [AiResearch TPE331 series](https://openairdocs.org/engine/airesearch-tpe331-series) (registry code 01514)
- Data sheets: [TCDS A2PC](https://openairdocs.org/tcds/A2PC) (OpenAirDocs)
- Serial number: 633
- Year built: 1974
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: February 28, 1974
- Certificate issued: January 23, 2004
- Last registry action: January 23, 2004
- Mode S code: A64516
- Owner when cancelled: [Turbine Aircraft Marketing Inc](https://openairdocs.org/faa-owner/TURBINE%20AIRCRAFT%20MARKETING%20INC)
- Location: [San Angelo, TX](https://openairdocs.org/faa-place/TX/San%20Angelo)
- Owner type: Corporation
- Owner's area on the map: 31.4815° N, 100.4379° W: Placed by OpenAirDocs at the center of ZIP code 76903, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N503AA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=503AA
- Page: https://openairdocs.org/deregistered/N503AA-2006-09-12

From the FAA registry file of November 5, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Mitsubishi MU-2B-35: https://openairdocs.org/model/mitsubishi-mu-2b-35.md

## Service difficulty reports (3)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR AALA20031479](https://openairdocs.org/sdr/AALA20031479), Dec 28, 2003: BATTERY PACK. DISCHARGED. ATL DURING OVERNIGHT MAINTENANCE FOUND EXIT SIGN ABOVER EMERGENCY EXIT DOOR ROW 21 INOPERATIVE. REPLACED BATTERY PACK FOR EXIT SIGN. SYSTEM GROUND CHECKED NORMA
- [SDR 99ZZZX176](https://openairdocs.org/sdr/99ZZZX176), Sep 23, 1998: SWITCH. MALFUNCTIONED. WITH AIR CONDITIONER ON AUTO, PILOT GOT COOL AND TURNED MANUAL HOT SWITCH ON AND LEFT IT THERE. THIS CAUSED EXCESS HEAT IN AIR DUCTS AND HIGH CONDENSATION. PILO
- [SDR 98ZZZX3623](https://openairdocs.org/sdr/98ZZZX3623), Sep 1, 1998: PUMP. FAILED. AT LANDING PILOT NOTICED OIL PRESSURE LOW. DURING TAXI, PILOT SHUT ENGINE DOWN. MAINTENANCE FOUND ENGINE WOULD NOT TURN BY PROP MOVEMENT. ENGINE WAS REMOVED AND

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 19870516033879I](https://openairdocs.org/incident/19870516033879I), May 16, 1987: Mtsbsi MU2B35 (N503AA), Shreveport, LA, Minor damage. Loud pop heard with gear extension. Unsafe gear indication. Nose gear partially extended. Found a broken bracket.
- [Incident 19860529030349I](https://openairdocs.org/incident/19860529030349I), May 29, 1986: Mtsbsi MU2B35 (N503AA), Aurora, IL. Power lever split during climb. During descent, engine was shut down and a diversion made. Faulty fuel controller.

## Other aircraft with N503AA

- [Registered now](https://openairdocs.org/aircraft/N503AA): DJI AGRAS T40, S/N 64TBL4A00200CW

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