# N1721X: Cessna T210L, registration cancelled 1989-12-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 13, 1989
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna T210L](https://openairdocs.org/model/cessna-t210l) (registry code 2073449)
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21) (OpenAirDocs)
- Serial number: 21060743
- Type of aircraft: Fixed wing single engine
- Mode S code: A1232C
- The mark today: https://openairdocs.org/aircraft/N1721X
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1721X
- Page: https://openairdocs.org/deregistered/N1721X-1989-12-13

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 Cessna T210L: https://openairdocs.org/model/cessna-t210l.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 DEN87FA061](https://openairdocs.org/ntsb/DEN87FA061), Jan 28, 1987: Cessna T210L (N1721X), Nucla, CO, destroyed, 4 fatal
- [NTSB DEN77DTC28](https://openairdocs.org/ntsb/DEN77DTC28), Sep 10, 1977: Cessna T210L (N1721X), Keyhole, WY, substantial damage

## FAA accident and incident reports (2)

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 19870128003969A](https://openairdocs.org/incident/19870128003969A), Jan 28, 1987: Cessna T210L (N1721X), Nucla, CO, Destroyed, 4 fatal. Struck trees on mountain at 9200 feet during descent in instrument meteorological conditions. Cruise clearance.
- [Accident 19770910028549A](https://openairdocs.org/incident/19770910028549A), Sep 10, 1977: Cessna T210L (N1721X), Keyhole, WY, Substantial damage

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