No free picture of N666EX or its model is known to the site yet; spotters' pictures may be on Planespotters · JetPhotos · Airliners.net. Operator or owner? Send your own picture.
Registered aircraft · FAA record as of October 29, 2026Frank Koinzer BULLAIRCRAFT EXPLORE
N666EX is a Frank Koinzer BULLAIRCRAFT EXPLORE, a fixed-wing airplane with one motor with turboprop engines, built in 2016. It has 8 seats. It is registered to Sky West Aviation INC Trustee, a corporation in Albuquerque, New Mexico. The registration is valid: it was issued on April 10, 2015 and expires on April 30, 2028. It holds an experimental airworthiness certificate for amateur built, dated September 23, 2016.
Where is it now checking the live feed…
Checking the volunteer receiver network for a recent position…
Aircraft broadcast their own position; volunteer receivers pool what they hear. Owners who have asked the FAA not to be displayed are not shown.
Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Frank Koinzer
- Model
- BULLAIRCRAFT EXPLORE
- Serial number
- BUEX0001
- Type
- Fixed-wing, single engineFAA type of aircraft code 4 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- TurbopropFAA type of engine code 2 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Walter M601 SER · 777 hp
- Seats
- 8
- Year built
- 2016
- Transponder code
- A8CAFD (octal 52145375)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- April 10, 2015
- Expires
- April 30, 2028
- Last FAA action
- May 5, 2023
- Airworthiness
- ExperimentalFAA airworthiness class code 4 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Amateur builtFAA certificate purpose code 2 (the kind of airworthiness certificate it flies under and what it is approved for). All codes · September 23, 2016
- FAA region
- SouthwesternFAA region code 2 (the FAA regional office that handles the record). All codes
- FAA record id
- 01172541
Owner as the FAA publishes it
- Name
- Sky West Aviation INC Trustee
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 2523 Stieglitz Ave SE
Albuquerque, NM 87106-9605
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
Connections how N666EX links to the rest of the register
- Frank Koinzer 2 aircraft on the register
- Walter M601 series 28 aircraft with this engine series · 751 hp
- Sky West Aviation INC Trustee 287 aircraft in the fleet
- Albuquerque, NM 1,181 aircraft registered in this town
- Albuquerque International Sunport · ABQ
- Double Eagle II Airport · AEG
- New Mexico 3,107 aircraft registered
- Failure reports on the Walter M601 series 2 reports since 1995
The whole map of how records connect · these connections as data: /graph/aircraft/N666EX.json.
Records check free · 1 to understand · 4 clear
The public federal record on N666EX, 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 Sky West Aviation INC Trustee, a corporation, certificate issued April 10, 2015, expires April 30, 2028. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated September 23, 2016, consistent with the 2016 manufacture year. [1]
No earlier tail number is recorded against serial BUEX0001 for this model in the deregistered file. [2]
N666EX was previously assigned to 1 other aircraft: Piper PA-32R-301T (serial 3257241, cancelled July 19, 2010). 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]
No NTSB investigation records located under N666EX. CLEAR means the query ran and returned nothing, not that nothing ever happened. [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.
- FAA Releasable Aircraft Database, master file, file of October 29, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 29, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 29, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 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 29, 2026. See this record on the FAA site · This record as data