# N20RK: 1976 Pilatus B4-PC11, registration cancelled 2017-03-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 6, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Pilatus B4-PC11](https://openairdocs.org/model/pilatus-b4-pc11) (registry code 7090104)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS G25EU](https://openairdocs.org/tcds/G25EU) (OpenAirDocs)
- Serial number: 249
- Year built: 1976
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Standard, normal
- Airworthiness date: March 18, 1977
- Certificate issued: April 21, 2000
- Last registry action: August 18, 2009
- Mode S code: A1912B
- Owner when cancelled: [Jennings Paul D](https://openairdocs.org/faa-owner/JENNINGS%20PAUL%20D)
- Location: [Hulbert, OK](https://openairdocs.org/faa-place/OK/Hulbert)
- Owner type: Individual
- Owner's area on the map: 35.9769° N, 95.1450° W: Placed by OpenAirDocs at the center of ZIP code 74441, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N20RK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=20RK
- Page: https://openairdocs.org/deregistered/N20RK-2017-03-06

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 Pilatus B4-PC11: https://openairdocs.org/model/pilatus-b4-pc11.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 NYC99LA170](https://openairdocs.org/ntsb/NYC99LA170), Jul 8, 1999: Pilatus B-4 (N20RK), Erwinna, PA, substantial damage. Probable cause: The pilot-in-command's failure to maintain aircraft control.

## 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 19990708008679A](https://openairdocs.org/incident/19990708008679A), Jul 8, 1999: Pilats B4PC11 (N20RK), Erwinna, PA, Substantial damage. Acft landed short of the rwy and sustained substantial damage. (.19)on July 8, 1999, about 1530 eastern daylight time a Pilatus B-4 glider, N20RK, was…

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