# N31637: 1944 Whittman WD, registration cancelled 2013-06-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 18, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Whittman WD](https://openairdocs.org/model/whittman-wd) (registry code 9790443)
- Engine: [Franklin 4AC150-40](https://openairdocs.org/engine/franklin-4ac150-40) (registry code 27002)
- Serial number: 6
- Year built: 1944
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 20, 1979
- Certificate issued: March 28, 1983
- Last registry action: June 24, 1989
- Mode S code: A35FFC
- Owner when cancelled: [Powell David F](https://openairdocs.org/faa-owner/POWELL%20DAVID%20F)
- Location: [W Des Moines, IA](https://openairdocs.org/faa-place/IA/W%20Des%20Moines)
- Owner type: Individual
- Owner's area on the map: 41.5427° N, 93.7511° W: Placed by OpenAirDocs at the center of ZIP code 50265, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N31637
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31637
- Page: https://openairdocs.org/deregistered/N31637-2013-06-18

From the FAA registry file of November 4, 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 Whittman WD: https://openairdocs.org/model/whittman-wd.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 MKC86FA151](https://openairdocs.org/ntsb/MKC86FA151), Jul 19, 1986: Whittman WD (Bigx) (N31637), Sheldahl, IA, destroyed, 3 fatal

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