# N550NF — NORTHROP P-61
> **—** Fixed Wing Multi-Engine · Reciprocating · Owner: MID ATLANTIC AIR MUSEUM · READING, PA
## Aircraft
- **N-Number:** N550NF
- **Serial Number:** 4239445
- **Manufacturer:** NORTHROP
- **Model:** P-61
- **Year manufactured:** —
- **Type:** Fixed Wing Multi-Engine
- **Engine type:** Reciprocating (02 engines)
- **Seats:** 003
- **Weight class:** CLASS 3
- **Mode S code (hex):** `A7009D`
## Owner
- **Name:** MID ATLANTIC AIR MUSEUM
- **Type of registrant:** Corporation
- **Location:** READING, PA 19605, US
## Registration
- **Status:** Valid
- **Certificate issued:** 1988-06-01
- **Last action:** 2023-03-04
- **Expiration:** 2027-07-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=550NF)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a7009d)
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