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N717ST

Cancelled 2015
Open the Markdown

Deregistered aircraft · 1971 Hughes 369HS · Allison 250 SER 400HP

Open in FAA registry

Cancelled
August 4, 2015
Status when cancelled
Valid registration
Serial number
350717S
Year built
1971
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Restricted, aerial surveying
Airworthiness date
February 21, 1999
Certificate issued
August 20, 1999
Last registry action
August 18, 2014
Mode S code
A997B0
Owner when cancelled
Ohara Helicopters Inc
Location
Tamuning, GU, GU
Physical address
Harmon, GU, GQ
Owner type
Corporation
Airframe modelHughes 369HSTCDS H3WE · ADs, bulletins and aircraft registered nowEngine modelAllison 250 SER 400HPTurbo-shaft

From the FAA registry file of October 29, 2026, cancelled registrations. Owners’ street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

NTSB investigations · 2

Matched to this aircraft by N717ST and the event date: up to this one’s cancellation.

NTSB LAX00LA103Accident · No injuriesLimited investigationFinal reportPacific Ocean (Pacific Ocean)An unknown mechanical malfunction that resulted in a precautionary landing at sea and the subsequent sinking of the helicopter by an ocean swell.Feb 14, 2000 · DestroyedNTSB ANC76AA011Accident · Minor injuriesClosedDeadhorse, AKJul 21, 1975 · Substantial damage

FAA incident reports · 2

FAA accident and incident reports matched to this aircraft by N717ST and the event date: up to this one’s cancellation.

Accident 20000214011339APapua(-23) On 2/14/00 at 1700 hrs local, N717ST made a precautionary landing in international waters of pacific ocean approx 500 miles north of Papua, new guinea. The pilot reported he heard "grinding noise" in the cyclic controls followed by a loud bang. The heli…Feb 14, 2000 · No damageAccident 19750721034789AFcd/Prec Ldg From Cruise · Deadhorse, AKImproper proc for refueling fm drums.Jul 21, 1975 · Substantial damage