# N77KK: Knowles THORP T-18, registration cancelled 1998-07-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 16, 1998
- Exported to: United Kingdom
- Status when cancelled: Sale reported
- Airframe: [Knowles THORP T-18](https://openairdocs.org/model/knowles-thorp-t-18) (registry code 89510BQ)
- Serial number: 492
- Type of aircraft: Fixed wing single engine
- Last registry action: January 10, 1998
- Mode S code: AA6799
- Location: [Palm Springs, CA](https://openairdocs.org/faa-place/CA/Palm%20Springs)
- Owner type: Individual
- Owner's area on the map: 33.7129° N, 116.4971° W: Placed by OpenAirDocs at the center of ZIP code 92264, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N77KK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=77KK
- Page: https://openairdocs.org/deregistered/N77KK-1998-07-16

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 Knowles THORP T-18: https://openairdocs.org/model/knowles-thorp-t-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 LAX89DVG02](https://openairdocs.org/ntsb/LAX89DVG02), Dec 4, 1988: Knowles Thorp T-18 (N77KK), Lincoln, CA, 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 19881204052539A](https://openairdocs.org/incident/19881204052539A), Dec 4, 1988: Amtrth THORPT18 (N77KK), Lincoln, CA, Substantial damage. Veered off runway on landing and nosed over. Blamed locked brake. None found.

## Other aircraft with N77KK

- [Registered now](https://openairdocs.org/aircraft/N77KK): Piper PA-23-250, S/N 278154002, built 1980
- [Cancelled 2005-10-05](https://openairdocs.org/deregistered/N77KK-2005-10-05): Robinson Helicopter R44, S/N 1052, built 2001. Owner: [Kite Kelly P](https://openairdocs.org/faa-owner/KITE%20KELLY%20P), [Vero Beach, FL](https://openairdocs.org/faa-place/FL/Vero%20Beach)

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