Models / Hughes / 369HE / N521TC Aircraft record N521TC 1969 Hughes 369HE Registration valid Unclaimed Source: FAA, updated Oct 20, 2026Safety record in brief: 1 NTSB accident (substantial damage, Jun 1996) · 3 ADs may apply
Registration Valid expires Apr 30, 2030 NTSB events 1 substantial, 1996 ADs may apply 3 confirm with A&P Service reports 0 since 1995
Registration FAA Aircraft Registry · Oct 20, 2026
Registered owner Tre Aviation Corp
Owner type Corporation
City, state Wilmington, DE
Certificate issued Apr 20, 2011
Expires Apr 30, 2030
Airworthiness Standard · Normal
Airworthiness date Jan 26, 1994 We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine FAA Registry + type data Airframe
Manufacturer Hughes
Model 369HE
Year 1969
Serial number 1090201E
Aircraft type Rotorcraft
Category Land
Certification Type Certificated
Seats 4
Engines 1
Max takeoff weight Up to 12,499 lb
Type certificate data sheet H3WE
Mode S code A68E51 Engine
Make and model Allison 250-C20 Ser
Type Turbo-shaft
Power 420 hp Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history Ownership history from FAA records 2011 – now Tre Aviation Corp Wilmington, DE · current Individual owners are shown by city and state only.
Safety record NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026 NTSB events (1)
Accident · substantial damage Jun 24, 1996 · Las Cruces, NM the pilot's failure to maintain clearance between the tail rotor and a fence while hovering.
Damage Substantial
Injuries None
Report FTW96LA274 From NTSB records; matched by serial number. Read NTSB report (search CAROL for FTW96LA274)
ADs published since 1998 that may apply (3) These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
AD Subject Effective Applies to 2006-16-04 Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division… Sep 7, 2006 Engine (250-C20 SER) 2006-13-06 Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division… Jul 26, 2006 Engine (250-C20 SER)Only with: Engines with gas producer rotor assembly tie bolt P/Ns A23008020, E23008020 (EXTEX), 23008020, 6843388, 6876991 (RRC), A23008020 (SAP), or 23008020P (Pacific Sky Supply) installed. 2005-10-13 Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E… Jun 22, 2005 Engine (250-C20 SER)Only with: Engines that do not have turbine energy absorbing ring RRC P/N 23035175, or an equivalent FAA-approved serviceable ring, installed.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (0) No Service Difficulty Reports found for this airframe since 1995.
Sources FAA Aircraft Registry Registration, owner city and state, airframe, engine updated Oct 20, 2026 NTSB accident and incident database Accidents and incidents since 1982 updated Oct 15, 2026 FAA Airworthiness Directives (Federal Register) ADs published since 1998 updated Oct 20, 2026 FAA Service Difficulty Reports Reports since 1995 updated Oct 16, 2026 Request owner name removal Report an error in this record