United States aircraft registry
N174HM
MERKEL HOWARD H J4B-2
Rotorcraft · Reciprocating
- Engine manufacturer
- CONT MOTOR
- Registration status
- Valid
- Registration expires
- Mar 31, 2031
Registered owner
MID ATLANTIC AIR MUSEUM
CorporationREADING, Pennsylvania · United States
Registered mailing location
The registered owner may differ from the operator. Mailing location does not identify the aircraft’s base or current position.
Aircraft specifications
- Manufacturer / model
- MERKEL HOWARD H / J4B-2
- Serial number
- HM-174
- Aircraft type
- Rotorcraft
- Engine model
- 0-200 SERIES
- Engine type
- Reciprocating
- Engines
- 1
- Seats (type reference)
- 2
- Mode S / ICAO hex
- A128C4
Registry specifications may differ from the aircraft’s current configuration.
Registration details
- Registration country
- United States
- Certificate issued
- Mar 5, 2024
- Expiration date
- Mar 31, 2031
- Registrant type
- Corporation
- Fractional ownership
- No
Certification & additional details
- Classification
- Experimental
- Airworthiness certificate date
- May 11, 1989
- Aircraft category
- Land
- Mode S (octal)
- 50224304
- Last registry activity
- Mar 5, 2024
Registry certificate information does not establish current airworthiness. Registry activity is not flight activity.
Source: FAA Aircraft Registry · Dataset refreshed 2026-11-01. Registration details can change. Map centered on the registered ZIP-code area, not an exact address. Private onboard avionics and connectivity data are not included.