# N4091U: Piper PA-31-350, registration cancelled 1991-09-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 19, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Piper PA-31-350](https://openairdocs.org/model/piper-pa-31-350) (registry code 7103110)
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO) (OpenAirDocs)
- Serial number: 318152159
- Type of aircraft: Fixed wing multi engine
- Certificate issued: October 1, 1981
- Last registry action: December 29, 1988
- Mode S code: A4D09E
- Owner when cancelled: [American Central Airlines Inc](https://openairdocs.org/faa-owner/AMERICAN%20CENTRAL%20AIRLINES%20INC)
- Location: [Chicago, IL](https://openairdocs.org/faa-place/IL/Chicago)
- Owner type: Corporation
- Owner's area on the map: 41.8500° N, 87.6501° W: Placed by OpenAirDocs: center of Chicago, IL, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4091U
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4091U
- Page: https://openairdocs.org/deregistered/N4091U-1991-09-19

From the FAA registry file of November 7, 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 Piper PA-31-350: https://openairdocs.org/model/piper-pa-31-350.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 MKC83FA045](https://openairdocs.org/ntsb/MKC83FA045), Dec 25, 1982: Piper PA-31-350 (N4091U), Dubuque, IA, destroyed, 2 fatal

## 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 19821224065099A](https://openairdocs.org/incident/19821224065099A), Dec 24, 1982: Piper PA31350 (N4091U), Dubuque, IA, Destroyed. Aircraft crashed 3/4 mile short of runway during back course instrument approach.
- [Incident 19820601036939I](https://openairdocs.org/incident/19820601036939I), Jun 1, 1982: Piper PA31350 (N4091U), Chicago, IL, Minor damage. Nose baggage door came open on takeoff. Baggage fell out into propeller. Emergency landed. Defective door lock.

## Other aircraft with N4091U

- [Cancelled 2015-05-06](https://openairdocs.org/deregistered/N4091U-2015-05-06): Raven/Stokes/Dragon Balloons LEGEND 1, S/N 001. Registration expired, pending cancellation. Owner: [T L Productions](https://openairdocs.org/faa-owner/T%20L%20PRODUCTIONS), [Tuscon, AZ](https://openairdocs.org/faa-place/AZ/Tuscon)
- [Cancelled 1965-08-04](https://openairdocs.org/deregistered/N4091U-1965-08-04): Cessna 150E, S/N 15061491. Exported to Austria. Owner: [Cessna Aircraft Co](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20CO)

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