# N4091L: 1968 Cessna 421, registration cancelled 2012-11-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 19, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Cessna 421](https://openairdocs.org/model/cessna-421) (registry code 2076010)
- Engine: [Continental GTSIO-520-C](https://openairdocs.org/engine/continental-gtsio-520-c) (registry code 17035)
- Data sheets: [TCDS A7CE](https://openairdocs.org/tcds/A7CE), [TCDS E7CE](https://openairdocs.org/tcds/E7CE) (OpenAirDocs)
- Serial number: 421-0091
- Year built: 1968
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: March 30, 1968
- Certificate issued: June 29, 1978
- Last registry action: May 11, 1985
- Mode S code: A4D096
- Owner when cancelled: [Roberts Bob](https://openairdocs.org/faa-owner/ROBERTS%20BOB)
- Location: Agana, GU, Guam
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N4091L
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4091L
- Page: https://openairdocs.org/deregistered/N4091L-2012-11-19

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 421: https://openairdocs.org/model/cessna-421.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 LAX80FUG58](https://openairdocs.org/ntsb/LAX80FUG58), Sep 19, 1980: Cessna 421 (N4091L), Palm Springs, CA, destroyed

## 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 19800919042349A](https://openairdocs.org/incident/19800919042349A), Sep 19, 1980: Cessna 421 (N4091L), Palm Springs, CA, Destroyed. One or both engines quit on takeoff. No engine defects found. Possible fuel exhaustion on main tanks.

---
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.