- Registered owner
- Silver Cloud One LLC
- Location
- Reno, NV
- Owner type
- LLC
- Serial number
- LN057
- Year built
- 1993
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Experimental, research and development, market survey, operating kit built
- Airworthiness date
- February 18, 2026
- Certificate issued
- March 23, 2021
- Expires
- March 31, 2028
- Mode S code
- A68A09
Mcdonnell Douglas Helicopter 500NTCDS H3WEAirframe · Mcdonnell Douglas Helicopter 500NTCDS E1GLEngine · Rolls-Royce 250-C30
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 49
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1979 | 1 |
|---|---|
| 1980 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 5 |
| 1988 | 1 |
| 1989 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 4 |
| 1999 | 4 |
| 2000 | 2 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2013 | 1 |
| 2016 | 3 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Airframe · Mcdonnell Douglas Helicopter 500N
AD 2026-21-05Engine/transmission couplingAD 2026-19-01Rotorcraft flight controlAD 2025-17-11tail rotor control systemInformation bulletins that may apply · 3
Advisory, not mandatory.
Airframe · Mcdonnell Douglas Helicopter 500N
SAIB AIR-21-19R1AERIAL TOW EQUIPMENT, Side Pull HookSAIB SW-12-45Garmin Model 400W/500W Series GPS-WAAS Navigation SystemEngine · Rolls-Royce 250-C30
SAIB NE-06-52Historical bulletins · 1
NTSB investigations
No NTSB investigations matched to N520MHMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Mcdonnell Douglas Helicopter 500N aircraft
FAA incident reports
No FAA accident or incident reports matched to N520MHMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Mcdonnell Douglas Helicopter 500N aircraft
Service difficulty reports
No reports matched to N520MHGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Mcdonnell Douglas Helicopter 500N aircraft
STCs that may be installed · 181
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.