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Registered aircraft · FAA record as of September 25, 2026
N139HA

Hiller UH-12E

N139HA is a Hiller UH-12E, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1976. It has 4 seats. It is registered to Knutson Flying Service INC, a corporation in Tioga, North Dakota. The registration is valid: it was issued on April 23, 2008 and expires on May 31, 2027. It holds a restricted airworthiness certificate for agriculture and pest control, dated June 5, 1976.

Aircraft

Maker
Hiller
Model
UH-12E
Serial number
HA3039
Type
Rotorcraft
Power
Piston (reciprocating), 1 motor · Lycoming VO-540 SERIES · 310 hp
Seats
4
Year built
1976
Cruising speed
72 mph
Transponder code
A09D50 (octal 50116520)

Registration

Status
Valid registration
Certificate issued
April 23, 2008
Expires
May 31, 2027
Last FAA action
January 22, 2023
Airworthiness
Restricted · Agriculture and pest control · June 5, 1976
FAA region
Great Lakes
FAA record id
00321580

Owner as the FAA publishes it

Name
Knutson Flying Service INC
Type
Corporation
Address
PO Box 333
Tioga, ND 58852-0333

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