# N4473N: 1941 Boeing B75N1, registration cancelled 2018-01-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 23, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Boeing B75N1](https://openairdocs.org/model/boeing-b75n1) (registry code 1380144)
- Engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008)
- Data sheets: [TCDS A-743](https://openairdocs.org/tcds/A-743) (OpenAirDocs)
- Serial number: 75-1183
- Year built: 1941
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, acrobatic
- Airworthiness date: August 19, 1992
- Certificate issued: December 29, 2009
- Last registry action: December 29, 2009
- Mode S code: A5676C
- Owner when cancelled: [Quetzal Limited Partnership](https://openairdocs.org/faa-owner/QUETZAL%20LIMITED%20PARTNERSHIP)
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Partnership
- Owner's area on the map: 35.5820° N, 97.6409° W: Placed by OpenAirDocs at the center of ZIP code 73162, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4473N
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4473N
- Page: https://openairdocs.org/deregistered/N4473N-2018-01-23

From the FAA registry file of October 29, 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 Boeing B75N1: https://openairdocs.org/model/boeing-b75n1.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 CEN11FA444](https://openairdocs.org/ntsb/CEN11FA444), Jul 3, 2011: Boeing B75N1 (N4473N), Wetmore, CO, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain clearance from terrain while maneuvering at low altitude.

## 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 20110703011679A](https://openairdocs.org/incident/20110703011679A), Jul 3, 2011: Boeing B75N1 (N4473N), Greenwood, CO, Destroyed, 1 fatal. At 1545 on 07/03/2011, aircraft N4473N, a Boeing B75N1 stearman, impacted ground in mountainous terrain near Greenwood, CO. Aircraft was destroyed. Pilot…

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