William Crabtree WOLVERINE
N545SF is a William Crabtree WOLVERINE, a fixed-wing airplane with one motor with a four-stroke engine. It has 4 seats. It is registered to an individual in Big Lake, Alaska. The registration is valid: it was issued on July 13, 2026 and expires on July 31, 2033. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.
Aircraft
- Maker
- William Crabtree
- Model
- WOLVERINE
- Serial number
- 001
- Type
- Fixed-wing, single engine
- Power
- Four-cycle piston, 1 motor
- Seats
- 4
- Year built
- Not given
- Transponder code
- A6EC15 (octal 51566025)
Registration
- Status
- Valid registration
- Certificate issued
- July 13, 2026
- Expires
- July 31, 2033
- Last FAA action
- August 6, 2026
- Airworthiness
- None on file
- FAA region
- Alaskan
- FAA record id
- 01541091
Owner as the FAA publishes it
- Name
- Crabtree William D
- Type
- Individual
- Address
- PO Box 521056
Big Lake, AK 99652-1056
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Earlier use of this number 1
Records check free · 3 to understand · 2 clear
The public federal record on N545SF, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Crabtree William D, an individual, certificate issued July 13, 2026, expires July 31, 2033. No fractional interest recorded. [1]
No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate. [1]
No earlier tail number is recorded against serial 001 for this model in the deregistered file. [2]
N545SF was previously assigned to 1 other aircraft: Aronson David A FALCO F 8L (serial 545, cancelled June 7, 2013). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
1 NTSB record under N545SF: Accident on March 17, 1985 at Gainesville, FL: fatal, destroyed (2 fatal). Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Aronson FALCO F8L · operated under 091
Search the NTSB's CAROL system for MIA85FA123 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data