# N5143G: 1951 Dehavilland DHC-2 MK 1

- Status: Valid registration
- Airframe: [Dehavilland DHC-2 MK 1](https://openairdocs.org/model/dehavilland-dhc-2-mk-1) (registry code 2808006, 8 seats)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Serial number: 466
- Year built: 1951
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: August 17, 2009
- Certificate issued: October 1, 2008
- Expires: September 30, 2028
- Mode S code: A67313
- Registered owner: [US Department Of The Interior](https://openairdocs.org/faa-owner/US%20DEPARTMENT%20OF%20THE%20INTERIOR)
- Location: [Boise, ID](https://openairdocs.org/faa-place/ID/Boise)
- Owner type: Government
- Owner's area on the map: 43.5914° N, 116.1942° W: Placed by OpenAirDocs at the center of ZIP code 83706, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5143G
- Page: https://openairdocs.org/aircraft/N5143G

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. The registry lists only the engine series, so ADs for every Pratt & Whitney R-985 model are included.

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

### Matched by airframe (Dehavilland DHC-2 MK 1)

None in force.

### Matched by engine (Pratt & Whitney R-985 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5143G.

## FAA accident and incident reports (1)

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 19861130072829I](https://openairdocs.org/incident/19861130072829I), Nov 30, 1986: Dhav DHC2/ (N5143G), Juneau, AK, Minor damage. Retracted gear instead of flaps on rollout. Pilot instructed passenger to raise flaps. Amphibious float equipped.

## Service difficulty reports (1)

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

- [SDR 2021FA0000129](https://openairdocs.org/sdr/2021FA0000129), Apr 7, 2021: FLOORBOARD. DAMAGED. PILOT SIDE FRONT FLOOR BOARD BOWED/WARPED/SAGGED CAUSING POOR SEAT PIN LOCK PIN ENGAGEMENT.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Dehavilland DHC-2 MK 1 aircraft: https://openairdocs.org/model/dehavilland-dhc-2-mk-1/aircraft.md
- The Pratt & Whitney R-985 series engine: https://openairdocs.org/engine/pratt-whitney-r-985-series.md

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