# N520NM — MCDONNELL DOUGLAS HELICOPTER 500N
> **1992** Rotorcraft · Turbo-Shaft · Owner: WILLARD DEVELOPMENT INC · PORT SAINT LUCIE, FL
## Aircraft
- **N-Number:** N520NM
- **Serial Number:** LN021
- **Manufacturer:** MCDONNELL DOUGLAS HELICOPTER
- **Model:** 500N
- **Year manufactured:** 1992
- **Type:** Rotorcraft
- **Engine type:** Turbo-Shaft (01 engines)
- **Seats:** 004
- **Weight class:** CLASS 1
- **Mode S code (hex):** `A68A26`
## Owner
- **Name:** WILLARD DEVELOPMENT INC
- **Type of registrant:** Corporation
- **Location:** PORT SAINT LUCIE, FL 349864528, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2021-07-20
- **Last action:** 2023-05-26
- **Expiration:** 2028-07-31
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=520NM)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=a68a26)
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