# N9644H: 1977 Cessna A185F, registration cancelled 2009-09-22

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 22, 2009
- Status when cancelled: Registration revoked
- Airframe: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821)
- Engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032)
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS E5CE](https://openairdocs.org/tcds/E5CE) (OpenAirDocs)
- Serial number: 18503457
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: August 25, 1977
- Certificate issued: January 16, 1978
- Last registry action: January 21, 1978
- Mode S code: AD6DEE
- Owners when cancelled: [Martel Well Drilling Inc](https://openairdocs.org/faa-owner/MARTEL%20WELL%20DRILLING%20INC), [Great Western Div](https://openairdocs.org/faa-owner/GREAT%20WESTERN%20DIV)
- Location: [Umatilla, OR](https://openairdocs.org/faa-place/OR/Umatilla)
- Owner type: Corporation
- Owner's area on the map: 45.9083° N, 119.3557° W: Placed by OpenAirDocs at the center of ZIP code 97882, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9644H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9644H
- Page: https://openairdocs.org/deregistered/N9644H-2009-09-22

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 Cessna A185F: https://openairdocs.org/model/cessna-a185f.md

## NTSB investigations (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 SEA85LA229](https://openairdocs.org/ntsb/SEA85LA229), Sep 27, 1985: Cessna 185 (N9644H), San Juan Island, WA, destroyed

## 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.

- [Accident 19850927067609A](https://openairdocs.org/incident/19850927067609A), Sep 27, 1985: Cessna A185F (N9644H), San Juan Island, WA, Substantial damage. Experienced downdraft after liftoff near tree line. Unable to arrest sink rate. Landed in field, struck rock pile.

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