# N6AL: Beech C23, registration cancelled 1994-03-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 17, 1994
- Status when cancelled: Triennial form not returned
- Airframe: [Beech C23](https://openairdocs.org/model/beech-c23) (registry code 1151242)
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE) (OpenAirDocs)
- Serial number: M1421
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 19, 1991
- Last registry action: February 16, 1994
- Mode S code: A7C298
- Owner when cancelled: [Dakota Ridge Aviation Inc](https://openairdocs.org/faa-owner/DAKOTA%20RIDGE%20AVIATION%20INC)
- Location: [Boulder, CO](https://openairdocs.org/faa-place/CO/Boulder)
- Owner type: Corporation
- Owner's area on the map: 40.0457° N, 105.2009° W: Placed by OpenAirDocs at the center of ZIP code 80301, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6AL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6AL
- Page: https://openairdocs.org/deregistered/N6AL-1994-03-17

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 Beech C23: https://openairdocs.org/model/beech-c23.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 DEN91FA072](https://openairdocs.org/ntsb/DEN91FA072), May 18, 1991: Beech C23 (N6AL), Boulder, CO, substantial damage. Probable cause: INADVERTENT STALL/MUSH DUE TO THE PASSENGERS'S DELAY IN RELINQUISHING AIRCRAFT CONTROL, AND INADEQUATE SUPERVISION OF THE FLIGHT BY THE PILOT IN COMMAND. FACTORS WERE: MIXTURE NOT LEANED, AND A HIGH…

## 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 19910518016499A](https://openairdocs.org/incident/19910518016499A), May 18, 1991: Beech C23 (N6AL), Boulder, CO, Substantial damage. Demo flight allowed passenger to make takeoff. Stall horn on steep bank. CFI unable regain control. Stalled,crashed

## Other aircraft with N6AL

- [Registered now](https://openairdocs.org/aircraft/N6AL): Dean Alfred H GLASTAR, S/N 5042, built 2002

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