# N692TT: 1978 Cessna 421C, registration cancelled 2018-01-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 23, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (registry code 2076016)
- Engine: [Continental GTSI0-520-F-K](https://openairdocs.org/engine/continental-gtsi0-520-f-k) (registry code 17031)
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) (OpenAirDocs)
- Serial number: 421C0616
- Year built: 1978
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: December 18, 1978
- Certificate issued: December 17, 2007
- Last registry action: November 25, 2008
- Mode S code: A933DF
- Owner when cancelled: [Advanced Integrated Technology Solutions LLC](https://openairdocs.org/faa-owner/ADVANCED%20INTEGRATED%20TECHNOLOGY%20SOLUTIONS%20LLC)
- Location: [Niceville, FL](https://openairdocs.org/faa-place/FL/Niceville)
- Owner type: Corporation
- Owner's area on the map: 30.5078° N, 86.4484° W: Placed by OpenAirDocs at the center of ZIP code 32578, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N692TT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=692TT
- Page: https://openairdocs.org/deregistered/N692TT-2018-01-23

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 Cessna 421C: https://openairdocs.org/model/cessna-421c.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 ERA11FA391](https://openairdocs.org/ntsb/ERA11FA391), Jul 9, 2011: Cessna 421C (N692TT), Demopolis, AL, substantial damage, 7 fatal. Probable cause: The pilot's failure to maintain airplane control during a single-engine approach and his failure to fly an appropriate traffic pattern for a single-engine landing. Contributing to the accident was a…

## 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 20110709014059A](https://openairdocs.org/incident/20110709014059A), Jul 9, 2011: Cessna 421C (N692TT), Demopolis, AL, Destroyed, 7 fatal. This was an IFR flight from st. louis (1H0)to destin, FL (dts). The flight was at FL 210 approaching Demopolis, AL (dya) when it encountered right engine…

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
