OpenAirDocs.org

N520AP

Open the Markdown

2001 MD Helicopters 500N · Allison 250-C20 series

Open in FAA registry

© OpenStreetMap
Registered owner
Ln095 1vc Trustee
Location
Wilmington, DE
Owner type
Corporation
Serial number
LN095
Year built
2001
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Standard, normal
Airworthiness date
July 18, 2001
Certificate issued
February 23, 2026
Expires
February 28, 2033
Mode S code
A688FC
MD Helicopters 500NAirframe model · 4 seats · 1 engine · 13 registeredTCDS H3WEAirframe · MD Helicopters 500NTCDS E4CEEngine · Allison 250-C20 series

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Allison 250-C20 model are included below.

On this page

Airworthiness directives that may apply · 52

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1972In forceSuperseded2026
See all 62 ADs

Information bulletins that may apply · 3

Advisory, not mandatory.

Historical bulletins · 1
SAIB AIR-21-19AERIAL TOW EQUIPMENT, Side Pull HookIssued Nov 29, 2021

NTSB investigations · 1

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

NTSB NYC06TA190Accident · Minor injuriesFinal reportLouisville, KYThe pilot's failure to maintain control of the helicopter and the flight instructor's inadequate supervision, which resulted in a hard landing and subsequent rollover.Aug 2, 2006 · Substantial damage

FAA incident reports · 1

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Accident 20060802017559AHovering · Louisville, KY(-23) Helicopter crashed resulting in one pilot sustaining fractured vertebra and causing substantial damage to the aircraft. Pilot's statements indicate that dual flight instruction was being given, that the student had completed a steep approach, and while…Aug 2, 2006 · Substantial damage

Service difficulty reports

No reports matched to N520APGeneral 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 MD Helicopters 500N aircraft

STCs that may be installed · 184

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 184 STCs