# N174HM — MERKEL HOWARD H J4B-2
> **—** Rotorcraft · Reciprocating · Owner: MID ATLANTIC AIR MUSEUM · READING, PA
## Aircraft
- **N-Number:** N174HM
- **Serial Number:** HM-174
- **Manufacturer:** MERKEL HOWARD H
- **Model:** J4B-2
- **Year manufactured:** —
- **Type:** Rotorcraft
- **Engine type:** Reciprocating (01 engines)
- **Seats:** 002
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A128C4`
## Owner
- **Name:** MID ATLANTIC AIR MUSEUM
- **Type of registrant:** Corporation
- **Location:** READING, PA 19605, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2024-03-05
- **Last action:** 2024-03-05
- **Expiration:** 2031-03-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=174HM)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a128c4)
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