1952 Hiller UH 12BPiston Helicopter • Tulsa, OK, USA

This 1952 Hiller UH-12B (N307AJ) is a well-maintained, low-time example of the classic military trainer helicopter with only 1,830 total airframe hours. Powered by a Franklin 6V-335B engine with just 350 hours since major overhaul by an FAA-certified repair station, it delivers 210 horsepower with all compressions above 70/80. The aircraft features a VFR-equipped panel with notable avionics including a King KY-196 digital com radio, KT-76A transponder with Mode C, and a Matronics digital fuel flow computer. The three-place interior was professionally reupholstered in grey fabric in 2023 and includes a voice-activated intercom system.

The...

Year: 1952

Make: Hiller

Series: UH-12

Model: UH 12B

Tail #: N307AJ

Serial #: 426

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Specifications

Category: Piston Helicopter

Intended Use: Classic / Antique, Military / Warbird, Training

Flight Rules: VFR

Useful Load: 700 lbs

Seats: 3

Hours, Logs & Inspections

Total Time: 1,830 hrs

Engine 1 Time: 350 hrs (SMOH)

Logbook Status: All logs complete from the time this aircraft left military service in 1965 up to present. No known damage history.

Inspection Status: Annual Inspection next due: May 1, 2024.

Avionics

Comms

King KY-196 - Digital Com Radio

ADSB

King KT-76A - Transponder w/ Mode Encoder

Additional Equipment

Dual Controls

Heater

Fuel Flow Computer

Matronics Fuel Check - Digital Flow Computer

Strobe Light

Whelen HRDF - HRDF Strobe Light

Intercom System

Dave Clark IsoCom - 3-Place Voice-Activated System w/ Passenger Mode

Chronometer

Davtron M800 - Digital Chronometer w/ Flight Timer

Voltage Indicator

Electronics International Digital Voltage & Amperage Indicator

Caution Lights

'Carburetor Temp Gauge Fail' Caution Light, 'Engine Low Oil Pressure' Amber Caution Light, 'Fuel Gauge Fail' Amber Caution Light, 'Intercom System Fail' Amber Caution Light

Interior & Exterior

Interior Rating: 8/10

Interior Year: 2023

Paint Rating: 8/10

Paint Year: 1984

Interior Notes: Seats professionally reupholstered with Grey fabric in 2023. Good condition.

Exterior Notes: Professionally stripped and painted with DuPont Imron paint in 1984: Exterior base color: Red Imron (51078) N-numbers: Silver Imron Cabin area: Grey Imron (special matched color) Skids: Flat Black lacquer Tail Rotor; White Imron (508U) All cabin and door plexiglass was replaced with new. Still in very good condition.