N4977E - 1951 Hiller UH-12A Aircraft Registration

H12T

1951 HILLER UH-12A

Aircraft Description

N4977E is a 1951 Hiller UH-12A, a single-engine reciprocating (piston) aircraft registered to Wyllie Ashton R J Trustee in Thornton, NH. This aircraft holds a multiple airworthiness certificate issued by the Federal Aviation Administration on August 1, 1983. The registration certificate was issued on September 15, 2018. The registration is set to expire on September 30, 2028. Powered by a Franklin 6A&6V335 SER engine producing 210 horsepower, N4977E is. The aircraft's Mode S transponder code is A62D6B (hex), used for ADS-B identification and flight tracking. The FAA registry record for N4977E was last updated on June 10, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Hiller is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 261 Hiller aircraft currently registered in the FAA database, including the UH-12A model.

AviatorDB has found no NTSB accident or incident reports involving N4977E. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
1951
Manufacturer
HILLER
Model
UH-12A
Type Aircraft
Rotorcraft
ICAO Type Code
H12TUH-12E3T Raven
Cruise Speed
63 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
August 1, 1983
Classification
Multiple 1 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
September 15, 2018

Registered Owner

Name
WYLLIE ASHTON R J TRUSTEE
Address
503 MILL BROOK RD
City
THORNTON
State / Zip Code
New Hampshire03285-6349
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
FRANKLIN
Engine Model
6A&6V335 SER
Horsepower
210 HP
Mode S Code (Oct)
51426553
Mode S Code (Hex)
A62D6B

Additional Details

Registration
N4977E
Serial Number
254
Number of Engines
1
Number of Seats
4
Expiration Date
September 30, 2028
Last Action Date
June 10, 2023
Last Update Date
January 19, 2026
Unique ID
00300745

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-06-15 01:32:20 UTC