N174HM - Merkel Howard H J4B-2 Aircraft Registration

MERKEL HOWARD H J4B-2

Aircraft Description

N174HM is a Merkel Howard H J4B-2, a single-engine reciprocating (piston) aircraft registered to Mid Atlantic Air Museum in Reading, PA. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 11, 1989. The registration certificate was issued on March 5, 2024. The registration is set to expire on March 31, 2031. Powered by a Cont Motor 0-200 SERIES engine producing 100 horsepower, N174HM is. The aircraft's Mode S transponder code is A128C4 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N174HM was last updated on March 5, 2024. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Merkel Howard H is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Merkel Howard H aircraft currently registered in the FAA database, including the J4B-2 model.

AviatorDB has found no NTSB accident or incident reports involving N174HM. 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
Manufacturer
MERKEL HOWARD H
Model
J4B-2
Type Aircraft
Rotorcraft
Weight Class
Up to 12,500 lbs
Airworthiness Date
May 11, 1989
Classification
Experimental 2 Category
Type Registration
Corporation
Status
Valid Registration
Cert Issue Date
March 5, 2024

Registered Owner

Name
MID ATLANTIC AIR MUSEUM
Address
11 MUSEUM DR
City
READING
State / Zip Code
Pennsylvania19605
Country
United States

Powerplant & Avionics

Engine Type
Reciprocating
Number of Engines
1
Engine Manufacturer
CONT MOTOR
Engine Model
0-200 SERIES
Horsepower
100 HP
Mode S Code (Oct)
50224304
Mode S Code (Hex)
A128C4

Additional Details

Registration
N174HM
Serial Number
HM-174
Number of Engines
1
Number of Seats
2
Expiration Date
March 31, 2031
Last Action Date
March 5, 2024
Last Update Date
March 5, 2024
Unique ID
00995470

Data Source

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

Last updated: 2026-05-01 01:32:20 UTC