# N421Q: Cessna 421A, registration cancelled 1989-03-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 16, 1989
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 421A](https://openairdocs.org/model/cessna-421a) (registry code 2076012)
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE) (OpenAirDocs)
- Serial number: 421A0016
- Type of aircraft: Fixed wing multi engine
- Mode S code: A500B4
- The mark today: https://openairdocs.org/aircraft/N421Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=421Q
- Page: https://openairdocs.org/deregistered/N421Q-1989-03-16

From the FAA registry file of November 3, 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 421A: https://openairdocs.org/model/cessna-421a.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 CHI88LA057](https://openairdocs.org/ntsb/CHI88LA057), Feb 3, 1988: Cessna 421A (N421Q), Wheeling, IL, 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 19880203001839A](https://openairdocs.org/incident/19880203001839A), Feb 3, 1988: Cessna 421A (N421Q), Chicago/Wheelin, IL, Substantial damage. Slid off the snow covered runway while landing in a strong quartering tailwind. Collapsed the gear in deep snow.
- [Incident 19850826067869I](https://openairdocs.org/incident/19850826067869I), Aug 26, 1985: Cessna 421A (N421Q), Wheeling, IL, Minor damage. Abnormal noise and unsafe gear light with extension. Nose gear collapsed. Torque tube support mount torn away.

## Other aircraft with N421Q

- [Registered now](https://openairdocs.org/aircraft/N421Q): Cessna 421C, S/N 421C0303

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