N520HC - 1992 Mcdonnell Douglas Helicopter 520N Aircraft Registration
MD521992 MCDONNELL DOUGLAS HELICOPTER 520N
Aircraft Description
N520HC is a 1992 Mcdonnell Douglas Helicopter 520N, a single-engine reciprocating (piston) aircraft registered to Valiair Lc Trustee in Casper, WY. This aircraft holds a multiple airworthiness certificate issued by the Federal Aviation Administration on June 29, 2023. The registration certificate was issued on April 28, 2025. The registration is set to expire on April 30, 2032. Powered by a Allison 250 SER engine producing 420 horsepower, N520HC is. The aircraft's Mode S transponder code is A689A0 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N520HC was last updated on April 28, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
The McDonnell Douglas MD-520N was a pioneering light utility helicopter that introduced commercial NOTAR (NO TAil Rotor) technology to eliminate traditional tail rotor systems. First flown on May 1, 1990, it was a single-engine turboshaft helicopter that could seat up to four passengers or carry equivalent cargo loads. With a main rotor diameter of 6.5 feet and powered by a Rolls-Royce 250-C20 series engine, the aircraft achieved a maximum cruise speed of 125 knots and service ceiling of 20,000 feet. The helicopter was manufactured by McDonnell Douglas Helicopters at their Mesa, Arizona facility. AviatorDB tracks 135 Mcdonnell Douglas Helicopter aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is MD52.
AviatorDB has found no NTSB accident or incident reports involving N520HC. 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.
Registered Owner
Powerplant & Avionics
Additional Details
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-05-15 01:32:20 UTC