# N81940: 1979 Hall HP-18, registration cancelled 2012-11-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 9, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Hall HP-18](https://openairdocs.org/model/hall-hp-18) (registry code 05647W6)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 92
- Year built: 1979
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 19, 1982
- Last registry action: May 16, 2008
- Mode S code: AB2DC8
- Location: [Xxx, OK](https://openairdocs.org/faa-place/OK/Xxx)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N81940
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81940
- Page: https://openairdocs.org/deregistered/N81940-2012-11-09

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 Hall HP-18: https://openairdocs.org/model/hall-hp-18.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 DEN88LA165](https://openairdocs.org/ntsb/DEN88LA165), Jun 13, 1988: Hall HP-18 (N81940), Westcliffe, CO, substantial damage

## 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 19880614045589A](https://openairdocs.org/incident/19880614045589A), Jun 14, 1988: Amtr HP18 (N81940), Hillside, CO, Substantial damage. Tow plane raised thick dust on takeoff roll. Glider pilot blinded,veered off runway and ground looped in tall grass

## Other aircraft with N81940

- [Cancelled 1951-02-27](https://openairdocs.org/deregistered/N81940-1951-02-27): Aeronca 7AC, S/N 7AC-565, built 1946. Owner: [Williams Helen Bender](https://openairdocs.org/faa-owner/WILLIAMS%20HELEN%20BENDER)

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