# N90421: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 3
- Last cancelled: June 6, 2011
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90421
- Page: https://openairdocs.org/aircraft/N90421

## Aircraft that carried N90421

- [Cancelled 2011-06-06](https://openairdocs.org/deregistered/N90421-2011-06-06): Cessna T206H, S/N T20608972, built 2010. Exported to Brazil. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO), [Independence, KS](https://openairdocs.org/faa-place/KS/Independence)
- [Cancelled 2006-11-01](https://openairdocs.org/deregistered/N90421-2006-11-01): Sikorsky S-76, S/N 760039, built 1979. Triennial form not returned. Owner: [Houston Helicopters Inc](https://openairdocs.org/faa-owner/HOUSTON%20HELICOPTERS%20INC), [Pearland, TX](https://openairdocs.org/faa-place/TX/Pearland)
- [Cancelled 1961-10-03](https://openairdocs.org/deregistered/N90421-1961-10-03): Douglas C54B-DC, S/N 18394. Owner: [Seven Seas Airlines Inc](https://openairdocs.org/faa-owner/SEVEN%20SEAS%20AIRLINES%20INC), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York)

## NTSB investigations on N90421 (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 DFW05MA230](https://openairdocs.org/ntsb/DFW05MA230), Sep 6, 2005: Sikorsky S76 (N90421), Gulf of Mexico, TX, destroyed. Probable cause: The pilots' delayed response to the No. 1 engine fire warning and the loss of power to both engines, which occurred for undetermined reasons. The pilots' delayed response was most likely due to…

## FAA accident and incident reports on N90421 (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 20050906020739A](https://openairdocs.org/incident/20050906020739A), Sep 6, 2005: Skrsky S76A (N90421), Sabine Pass, TX, Destroyed. (-23) On September 6, 2005, a Sikorsky sk 76-A, N90421, departed on a flight from the bob keller located at N28.04- W94.22 in the gulf of mexico-high island…
- [Incident 20050125001529I](https://openairdocs.org/incident/20050125001529I), Jan 25, 2005: Skrsky S76 (N90421), Cameron, LA, Minor damage. (-23) At approximately 0730, N90421, a SK-76A with 10 passengers and a crew of 2 were due to depart Cameron, LA. To an offshore platform (HI-296). Pilots were…
- [Incident 19881116066229I](https://openairdocs.org/incident/19881116066229I), Nov 16, 1988: Skrsky S76A (N90421), Leesville, LA. Landed on deck. Ship rolled and helicopter slid. Took off. Engine malfunctioned. Forced landing on water.
- [Incident 19791126046209I](https://openairdocs.org/incident/19791126046209I), Nov 26, 1979: Cvac STCAPJC (N90421), Dayton, OH, Minor damage. Pilot's sliding window blew out. Flying debris from decompression struck copilot. Descended, landed safely.

---
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.
