Models / Cessna / 421C / N692TT Aircraft record N692TT 1978 Cessna 421C
Safety record in brief: 1 NTSB accident (substantial damage, Jul 2011) · 4 ADs may apply
NTSB events 1 substantial, 2011 ADs may apply 4 confirm with A&P Service reports 0 since 1995
Registration FAA Aircraft Registry · Oct 20, 2026
Last registered owner Advanced Integrated Technology Solutions LLC
Owner type Corporation
City, state Niceville, FL
Certificate issued Dec 17, 2007
Canceled Jan 23, 2018
Airworthiness Standard · Normal
Airworthiness date Dec 18, 1978 We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine FAA Registry + type data Airframe
Manufacturer Cessna
Model 421C
Year 1978
Serial number 421C0616
Aircraft type Fixed wing multi engine
Category Land
Certification Type Certificated
Seats 8
Engines 2
Max takeoff weight Up to 12,499 lb
Mode S code A933DF Engine
Make and model Cont Motor Gtsi0-520-F-K
Type Reciprocating
Power 435 hp Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history Ownership history from FAA records 2007 – 2018 Advanced Integrated Technology Solutions LLC Niceville, FL Individual owners are shown by city and state only.
Safety record NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026 NTSB events (1)
Accident · substantial damage Jul 9, 2011 · Demopolis, AL 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 total loss of engine power on the right engine due to a fatigue failure of the right engine cam gear.
Damage Substantial
Injuries Fatal
Report ERA11FA391 From NTSB records; matched by serial number. Read NTSB report (search CAROL for ERA11FA391)
Accident history for this model ADs published since 1998 that may apply (4) These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
AD Subject Effective Applies to 2016-17-08 Elevator Tab Control System Sep 12, 2016 Airframe (421C) 2005-20-25 The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411… Nov 9, 2005 Airframe (421C)Certain serial numbers: 401 655; 401 401-0001–401-0322; 401A 655; 401A 401A0001–401A0132; 401B 401B0001–401B0221; 402 402-0001–402-0322; …. Only with: Equipped with an avionics bus circuit breaker switch P/N CM3589-50, 593-250-101, 593-250-102, W31-X2M5A-50, or W31-X1000-50. 2000-01-16 Cessna Aircraft Company 300 and 400 Series Airplanes Feb 15, 2000 Airframe (421C) 98-04-28 Cessna Aircraft Company Models T303, 310R, T310R, 335, 340A, 402B, 402C, 404, F406, 414… Mar 13, 1998 Airframe (421C)
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (0) No Service Difficulty Reports found for this airframe since 1995.
Sources FAA Aircraft Registry Registration, owner city and state, airframe, engine updated Oct 20, 2026 NTSB accident and incident database Accidents and incidents since 1982 updated Oct 15, 2026 FAA Airworthiness Directives (Federal Register) ADs published since 1998 updated Oct 20, 2026 FAA Service Difficulty Reports Reports since 1995 updated Oct 16, 2026 Request owner name removal Report an error in this record