The U.S. aircraft register, updated daily · Carbon Free Flight by 2050
Browse · Fleets · data as of October 2, 2026

Weatherproof Montana LLC

Registered owner of 6 aircraft, based mainly in Missoula, Montana (llc). First registration on file January 4, 2023, most recent May 31, 2026.

By kind

Piston twins2 (33%)Piston singles2 (33%)Balloons2 (33%)

Models top 12

Bachman Neil A KITFOX IV SPEEDSTER1Balloon Works FIREFLY 71Cessna 1201Cessna 3101Cessna 421C1Firefly Balloons Inc FIREFLY 7B-151

Registrations by year

01223120232202432026

Aircraft newest registrations first

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N1606V Cessna
120
Weatherproof Montana LLC
Missoula, Montana
Standard 2026-05-31 Valid
N125KF Bachman Neil A
KITFOX IV SPEEDSTER
Weatherproof Montana LLC
Missoula, Montana
Experimental 2026-04-21 Valid
N15164 Firefly Balloons Inc
FIREFLY 7B-15
Weatherproof Montana LLC
Missoula, Montana
Standard 2026-03-21 Valid
N90601 Balloon Works
FIREFLY 7
Weatherproof Montana LLC
Missoula, Montana
Standard 2024-06-11 Valid
N421KM Cessna
421C
Weatherproof Montana LLC
Missoula, Montana
Standard 2024-04-17 Valid
N310EB Cessna
310
Weatherproof Montana LLC
Missoula, Montana
Standard 2023-01-04 Valid

Owner name and addresses as the FAA publishes them. Source: FAA Civil Aviation Registry, October 2, 2026.