# N81FW: 1970 Butler AEROSTAR 601, registration cancelled 2021-10-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 30, 2021
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Butler AEROSTAR 601](https://openairdocs.org/model/butler-aerostar-601) (registry code 1710606)
- Engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41530)
- Data sheets: [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: 61-0049-94
- Year built: 1970
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: November 30, 1981
- Certificate issued: July 17, 2012
- Last registry action: April 16, 2018
- Mode S code: AB0795
- Owner when cancelled: [Air 906 LLC](https://openairdocs.org/faa-owner/AIR%20906%20LLC)
- Location: [Saint Petersburg, FL](https://openairdocs.org/faa-place/FL/Saint%20Petersburg)
- Owner type: LLC
- Owner's area on the map: 27.7392° N, 82.6873° W: Placed by OpenAirDocs at the center of ZIP code 33711, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N81FW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=81FW
- Page: https://openairdocs.org/deregistered/N81FW-2021-10-30

From the FAA registry file of November 5, 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 Butler AEROSTAR 601: https://openairdocs.org/model/butler-aerostar-601.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 ERA10LA009](https://openairdocs.org/ntsb/ERA10LA009), Oct 1, 2009: Butler Aerostar (N81FW), Brooksville, FL, substantial damage. Probable cause: The collapse of the nose landing gear during landing rollout for undetermined reasons.

## Other aircraft with N81FW

- [Cancelled 2006-11-07](https://openairdocs.org/deregistered/N81FW-2006-11-07): Dehavilland DHC-3, S/N 119, built 1956. Exported to Canada. Owner: [Bingman Lester L](https://openairdocs.org/faa-owner/BINGMAN%20LESTER%20L), [Dillingham, AK](https://openairdocs.org/faa-place/AK/Dillingham)

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