# N720: 1951 Dehavilland BEAVER DHC-2 MK.1

- Status: Valid registration
- Airframe: [Dehavilland BEAVER DHC-2 MK.1](https://openairdocs.org/model/dehavilland-beaver-dhc-2-mk-1) (registry code 2800102, 8 seats)
- Engine: [Pratt & Whitney R-985-AN-1](https://openairdocs.org/engine/pratt-whitney-r-985-an-1) (registry code 51659)
- Serial number: 247
- Year built: 1951
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, other
- Airworthiness date: October 3, 2014
- Certificate issued: November 19, 2007
- Expires: December 31, 2028
- Mode S code: A9A38B
- Registered owner: [U S Dept Of The Interior](https://openairdocs.org/faa-owner/U%20S%20DEPT%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=720
- Page: https://openairdocs.org/aircraft/N720

From the FAA registry file of October 21, 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 (Dehavilland BEAVER DHC-2 MK.1)

None in force.

### Matched by engine (Pratt & Whitney R-985-AN-1)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

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

- [NTSB ANC07LA077](https://openairdocs.org/ntsb/ANC07LA077), Aug 9, 2007: Cessna 185 (N720), Bethel, AK, substantial damage. Probable cause: The improper [reversed] installation of the fuel selector handle by maintenance personnel.

## 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; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20070808022709A](https://openairdocs.org/incident/20070808022709A), Aug 8, 2007: Cessna A185F (N720), Bethel, AK, Substantial damage. (-23) Aircraft just came out of 100 hr annual inspection. Preinspection ck list shows l/h tank empty r/h tank 1/2. Fuel selector valve handle and position…

## Service difficulty reports (1)

As reported by operators and repair stations. Reports filed since January 2, 1959, when the mark's previous registration was cancelled.

- [SDR SIMA201122105](https://openairdocs.org/sdr/SIMA201122105), Aug 8, 2011: BALLAST. MALFUNCTIONED. A/C HAS A STRONG ELECTRICAL SMELL IN COCKPIT AND CABIN. FOUND LT SIDE WALL BALLAST AT 5A HOT WITH BURNING SMELL. REMOVED AND REPLACED BALLAST IAW EMB 135 AMM 33

## Earlier aircraft with N720

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N720 before.

- [Cancelled 1959-01-02](https://openairdocs.org/deregistered/N720-1959-01-02): Grumman G-21A, S/N B-144. Owner: [US Fish And Wildlife Service](https://openairdocs.org/faa-owner/US%20FISH%20AND%20WILDLIFE%20SERVICE), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N720-undated): Springfield CURTISS JN4D, S/N UNKNOWN. Owner: [Kenwood Charles](https://openairdocs.org/faa-owner/KENWOOD%20CHARLES), [Omaha, NE](https://openairdocs.org/faa-place/NE/Omaha)

## Related

- Other Dehavilland BEAVER DHC-2 MK.1 aircraft: https://openairdocs.org/model/dehavilland-beaver-dhc-2-mk-1/aircraft.md
- STCs for the Dehavilland BEAVER DHC-2 MK.1: https://openairdocs.org/model/dehavilland-beaver-dhc-2-mk-1/stcs.md
- The Pratt & Whitney R-985-AN-1 engine: https://openairdocs.org/engine/pratt-whitney-r-985-an-1.md

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