# N943: North American TB-25N

- Status: Valid registration
- Airframe: [North American TB-25N](https://openairdocs.org/model/north-american-tb-25n) (registry code 6400714, 6 seats)
- Engine: [Wright C14AB AC BA](https://openairdocs.org/engine/wright-c14ab-ac-ba) (registry code 67030)
- Serial number: 4429943A
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Limited
- Airworthiness date: June 8, 1961
- Certificate issued: May 14, 2019
- Expires: May 31, 2029
- Mode S code: AD184C
- Registered owner: [Mitchell Aircraft Components Inc](https://openairdocs.org/faa-owner/MITCHELL%20AIRCRAFT%20COMPONENTS%20INC)
- Location: [Borrego Springs, CA](https://openairdocs.org/faa-place/CA/Borrego%20Springs)
- Owner type: Corporation
- Owner's area on the map: 33.2465° N, 116.2046° W: Placed by OpenAirDocs at the center of ZIP code 92004, within about 17 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=943
- Page: https://openairdocs.org/aircraft/N943

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (North American TB-25N)

None in force.

### Matched by engine (Wright C14AB AC BA)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N943.

## NTSB investigations on N943 not matched to an aircraft (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB IAD78IA085](https://openairdocs.org/ntsb/IAD78IA085), Jul 26, 1978: Douglas DC-9 (N943), Washington, DC, incident, no damage

## FAA accident and incident reports

None matched to N943.

## Reports on N943 not matched to an aircraft (1)

They name N943, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19800712060879I](https://openairdocs.org/incident/19800712060879I), Jul 12, 1980: Doug DC9 (N943), Washington, DC. Maintenance personnel discovered 13-inch piece of broad bead ring missing from a main wheel.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## Service difficulty reports on N943 not matched to an aircraft (2)

They name N943, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR HNAA2017051900176](https://openairdocs.org/sdr/HNAA2017051900176), May 18, 2017: STEERING UNIT. INOPERATIVE. NOSEWHEEL STEERING WILL NOT COME ON, DURING TROUBLESHOOTING, FOUND THE GEAR DOORS WOULD NOT CLOSE WITH ENGINES RUNNING. CONFIRMED O/H BYPASS DOOR IS CLOSED. SLA
- [SDR HNAA0700055](https://openairdocs.org/sdr/HNAA0700055), Mar 23, 2007: HYDRAULIC LINE. BROKEN. ON DESCENT NR 2 ENGINE HYDRAULIC PUMP CAUTION LIGHT CAME ON WITH ISOLATION VALVE CAUTION LIGHT ASSOCIATED WITH NR 2 HYDRAULIC QUANTITY READING ZERO. FLIGHT TIME

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N943

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N943 before.

- [Cancelled 1960-08-10](https://openairdocs.org/deregistered/N943-1960-08-10): Sikorsky H-34, S/N 581099. Exported to Germany. Owner: [United Aircraft Corp](https://openairdocs.org/faa-owner/UNITED%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- [Cancelled 1948-03-31](https://openairdocs.org/deregistered/N943-1948-03-31): Waco GXE, S/N 871, built 1957. Owner: [Cumlander Leonard E](https://openairdocs.org/faa-owner/CUMLANDER%20LEONARD%20E), [Aberdeen, WA](https://openairdocs.org/faa-place/WA/Aberdeen)

## Related

- Other North American TB-25N aircraft: https://openairdocs.org/model/north-american-tb-25n/aircraft.md
- The Wright C14AB AC BA engine: https://openairdocs.org/engine/wright-c14ab-ac-ba.md

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