# N81TR: Rockwell International 690C, registration cancelled 1993-02-09

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 9, 1993
- Status when cancelled: Triennial form not returned
- Airframe: [Rockwell International 690C](https://openairdocs.org/model/rockwell-international-690c) (registry code 7630517)
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4) (OpenAirDocs)
- Serial number: 11690
- Type of aircraft: Fixed wing multi engine
- Certificate issued: June 24, 1985
- Last registry action: January 31, 1991
- Mode S code: AB08BC
- Owner when cancelled: [Casper Air Service](https://openairdocs.org/faa-owner/CASPER%20AIR%20SERVICE)
- Location: [Casper, WY](https://openairdocs.org/faa-place/WY/Casper)
- Owner type: Corporation
- Owner's area on the map: 42.9149° N, 106.7073° W: Placed by OpenAirDocs at the center of ZIP code 82604, within about 18 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N81TR
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81TR
- Page: https://openairdocs.org/deregistered/N81TR-1993-02-09

From the FAA registry file of November 7, 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 Rockwell International 690C: https://openairdocs.org/model/rockwell-international-690c.md

## NTSB investigations (2)

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 DEN93FA017](https://openairdocs.org/ntsb/DEN93FA017), Dec 23, 1992: Rockwell 690C (N81TR), Golden, CO, destroyed, 1 fatal. Probable cause: THE PILOT FLYING THE AIRCRAFT BEYOND THE DESIGN MANEUVERING SPEED AND EXCEEDING THE DESIGN STRESS LIMITS. A FACTOR WAS: CLEAR AIR TURBULENCE.
- [NTSB DEN91IA076](https://openairdocs.org/ntsb/DEN91IA076), May 24, 1991: Aero Commander 690C (N81TR), Denver, CO, incident, no damage. Probable cause: FATIGUE FAILURE OF FLAP CABLE.

## FAA accident and incident reports (4)

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 19921222051069A](https://openairdocs.org/incident/19921222051069A), Dec 22, 1992: Gulstm 690C (N81TR), Golden, CO, Destroyed, 1 fatal. Broke up inflight while descending to land. Severe clear air turbulence. High ground speed. AIRMET for turbulence.
- [Incident 19910523031649I](https://openairdocs.org/incident/19910523031649I), May 23, 1991: Gulstm 690C (N81TR), Denver, CO, Minor damage. Heard thud when flaps came down. Aircraft rolled. Put flaps up and landed with no further problems.
- [Incident 19910322013119I](https://openairdocs.org/incident/19910322013119I), Mar 22, 1991: Gulstm 690C (N81TR), Cody, WY, Minor damage. Pilot neglected to lower landing gear and landed gear up.
- [Incident 19901206058869I](https://openairdocs.org/incident/19901206058869I), Dec 6, 1990: Gulstm 690C (N81TR), Riverton, WY, Minor damage. Parked van rolled backward toward aircraft. Driver hurt by moving propeller trying to stop van.

## Other aircraft with N81TR

- [Registered now](https://openairdocs.org/aircraft/N81TR): Irving Steven IRBD-4, S/N 009
- [Cancelled 2005-03-09](https://openairdocs.org/deregistered/N81TR-2005-03-09): Willey Douglas J TEAM ROCKET F-1, S/N 049. Owner: [Savage James P](https://openairdocs.org/faa-owner/SAVAGE%20JAMES%20P), [Clovis, NM](https://openairdocs.org/faa-place/NM/Clovis)

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