Staging copy. The live site is at https://staging.data.eflight.com.
eFlight RegistryFAA data, updated daily
Registered aircraft · FAA record as of September 25, 2026
N16643

Hiller UH-12B

Valid Montana

N16643 is a Hiller UH-12B, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1952. It has 4 seats. It is registered to an individual in Bigfork, Montana. The registration is valid: it was issued on July 16, 2024 and expires on July 31, 2031. It holds a standard airworthiness certificate for normal, dated January 10, 1975.

Aircraft

Maker
Hiller
Model
UH-12B
Serial number
346
Type
Rotorcraft
Power
Piston (reciprocating), 1 motor
Seats
4
Year built
1952
Cruising speed
63 mph
Transponder code
A10AF8 (octal 50205370)

Registration

Status
Valid registration
Certificate issued
July 16, 2024
Expires
July 31, 2031
Last FAA action
July 16, 2024
Airworthiness
Standard · Normal · January 10, 1975
FAA region
Northwest Mountain
FAA record id
00132180

Owner as the FAA publishes it

Name
Koch Kasey E
Type
Individual
Address
676 Aero Ln
Bigfork, MT 59911-6524

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.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data