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Aircraft record

N355TH1981 Aerospatiale AS 355F1

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB incident (minor damage, Mar 2008)3 ADs may apply1 service difficulty report

Registration
Valid
expires Feb 29, 2032
Based in
Ashland, OR
owner city / state
Engine
250-C20 · 400 hp
Allison
Owners
1
since 2025
NTSB events
1
minor, 2008
ADs may apply
3
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Timberland Helicopters INC
Owner type
Corporation
City, state
Ashland, OR
Certificate issued
Feb 16, 2025
Expires
Feb 29, 2032
Airworthiness
Standard · Normal
Airworthiness date
Nov 27, 2023

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
Aerospatiale
Model
AS 355F1
Year
1981
Serial number
5111
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
7
Engines
2
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H11EU
Mode S code
A3F911

Engine

Make and model
Allison 250-C20
Type
Turbo-shaft
Power
400 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2025 – nowTimberland Helicopters INCAshland, OR · 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)

Incident · minor damage

Mar 22, 2008 · New York, NY

The pilot's inadequate visual lookout and subsequent failure to maintain clearance from the other helicopter due to his focus on the engine instruments during the initial departure. Contributing to the accident was insufficient helipad spacing.

Damage
Minor
Injuries
None
Report
NYC08IA145

From NTSB records; matched by serial number.Read NTSB report (search CAROL for NYC08IA145)

Accident history for this model

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.

ADSubjectEffectiveApplies to
2006-16-04Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division…Sep 7, 2006Engine (250-C20)
2006-13-06Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division…Jul 26, 2006Engine (250-C20)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.
2005-10-13Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E…Jun 22, 2005Engine (250-C20)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 (1)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Engine · engine · making metalJun 26, 2025

    #1 ENGINE CHIP LIGHT ILLUMINATED DURING FLIGHT. PILOT LANDED AT FIRST SAFEST SPOT AT SOUTHWEST WYOMING REGIONAL AIRPORT WITH NO INCIDENT. GROUNDED AC. SENT MECHANIC OUT AND FOUND CHIPS ON UPPER MAG. PLUG ON GEARBOX

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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