Aircraft record

N346981994 Bell 206B

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Nov 14, 2012.

Safety record in brief:1 NTSB accident (destroyed damage, Aug 2004)20 ADs may apply3 service difficulty reports

Registration: Deregistered
Last based in: Portland, OR; owner city / state
Engine: 250-C20 SER · 420 hp; Allison
Owners: 1; since 1995
NTSB events: 1; destroyed, 2004
ADs may apply: 20; confirm with A&P
Service reports: 3; since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026

Last registered owner: United States Department Of Energy
Owner type: Government
City, state: Portland, OR
Certificate issued: Jun 8, 1995
Canceled: Nov 14, 2012
Airworthiness: Standard · Normal
Airworthiness date: Dec 14, 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: Bell
Model: 206B
Year: 1994
Serial number: 4324
Aircraft type: Rotorcraft
Category: Land
Certification: Type Certificated
Seats: 5
Engines: 1
Max takeoff weight: Up to 12,499 lb
Type certificate data sheet: H2SW
Mode S code: A3D74C

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

1995 – 2012United States Department Of EnergyPortland, OR
1970 – 1971Individual ownerDayton, OH · different airframe: Stinson 10a S/N 7998
1946 – 1948Colonial Airlines INCNew York, NY · different airframe: Douglas Dc3d-R-1830-90c S/N 42964

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · destroyed

Aug 17, 2004 · Mead, WA

The reversal of the reel machine during a sock line pull which resulted in a loss of control while hovering out of ground effect. Factors were the failure of company management to develop adequate procedures for conducting sock line pulls, the inadequate communication between the chief pilot and the pilot, the inadequate communication between the ground personnel and the pilot, and the pilot's…

Damage: Destroyed
Injuries: Fatal
Report: SEA04TA163

From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA04TA163)

Accident history for this model

ADs published since 1998 that may apply (20)

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
2021-15-06	Bell Textron Canada Limited (Type Certificate Previously Held by Bell Helicopter Textron…	Aug 27, 2021	Airframe (206B)Certain serial numbers: 206A 004–660; 206A 672–715; 206L 45004–45153; 206L 46601–46617; 206L-1 45154–45790; 206L-3 51001–51612. Only with: Model 206B all serial numbers including those converted from Model 206A; Model 206L-4 all serial numbers.
2021-11-01	Bell Textron Canada Limited Helicopters	Jul 15, 2021	Airframe (206B)Certain serial numbers: 206B 004–4690; 206L 45001–45153; 206L 46601–46617. Only with: Model 206B includes helicopters converted from Model 206A and helicopters with a 206B3 designation.
2019-08-10	Bell Helicopter Textron Canada Limited Helicopters	Jun 24, 2019	Airframe (206B)
2018-25-17	Air Comm Corporation Air Conditioning Systems	Jan 22, 2019	Airframe (206B)Only with: Air Comm air conditioning system installed: P/N AS350-202-1 through -5 or AS350-204-1 through -12 (AS350), EC130-202-1 through -8 (EC130B4), 206EC-200 through 206EC-212 (Bell 206), or 407 EC-201 through 407 EC-203 (Bell 407).
2017-05-04	Bell Helicopter Textron Canada Limited Helicopters	Mar 17, 2017	Airframe (206B)Only with: Tension-torsion strap P/N 206-011-147-005 with S/N BTFS-23868 through BTFS-24277 or P/N 206-011-147-007 with S/N BT-22719 through BT-23437 installed.

Show all 20 ADs

AD	Subject	Effective	Applies to
2013-22-21	Bell Helicopter Textron, Inc., Helicopters	Dec 13, 2013	Airframe (206B)Only with: Apical Industries, Inc. emergency float kit installed under STC SR01535LA.
2013-18-06	Bell Helicopter Textron Canada Limited (Bell) Helicopters	Oct 17, 2013	Airframe (206B)Only with: Applies only to helicopters with specified flight control bellcrank, link, idler, bearing, swashplate link, or engine bipod mount fitting assemblies (various P/Ns by model) installed.
2012-12-11	Bell Helicopter Textron Canada, Limited, Helicopters	Jul 24, 2012	Airframe (206B)Only with: Modified with Aviation Specialties Unlimited, Inc. (ASU) Night Vision Imaging System (NVIS) lighting installed per STC SR01383SE.
2010-26-51	Bell Helicopter Textron Canada Limited (BHTC) Model 206A, 206B, 206L, 206L-1, 206L-3…	Mar 25, 2011	Airframe (206B)Serial numbers per RBI document attached to Bell Helicopter Textron ASBs 206-07-116, 206L-07-148, 222-07-106, 222U-07-77, 230-07-38, 407-07-81, 427-07-18, 430-07-41. Only with: Tail rotor blade with part number and serial number listed in the RBI document attached to the Bell ASBs installed.
2009-07-52	Bell Helicopter Textron Canada Limited Model 206A Series, 206B Series, 206L Series, 407…	May 1, 2009	Airframe (206B)Only with: Model 206A/206B/206L series with cyclic control lever assembly P/N 206-001-401-111, 206-001-400-115, or 206-001-400-111, and Model 407/427 with lever assembly P/N 407-001-320-105 or 407-001-320-109, with less than 50 hours TIS.
2009-08-03	Bell Helicopter Textron Canada Limited Model 206A, 206B, 206L, 206L-1, 206L-3, 206L-4…	Apr 24, 2009	Airframe (206B)Serial numbers per Rotor Blades, Inc. (RBI) document attached to Bell Helicopter Textron ASBs 206-07-116, 206L-07-148, 222-07-106, 222U-07-77, 230-07-38, 407-07-81, 427-07-18, 430-07-41. Only with: Tail rotor blade installed with a part number and serial number listed in the RBI document attached to the applicable Bell ASB.
2008-14-03	Bell Helicopter Textron Canada Model 206A, 206B, 206L, 206L-1, 206L-3, and 206L-4…	Aug 14, 2008	Airframe (206B)Only with: Upper left-hand tailboom attachment CRES steel fitting P/N 407-030-750-103 installed.
2007-25-07	Bell Helicopter Textron Canada Limited Model 206A and 206B Helicopters	Jan 14, 2008	Airframe (206B)Certain serial numbers: 0004–3906. Only with: Two-piece vertical stabilizer (fin) supports P/N 206-031-417-003 or -007, or P/N 206-031-418-001 or -005, installed.
2007-23-17	Bell Helicopter Textron Canada Model 206A and 206B Helicopters	Dec 6, 2007	Airframe (206B)Certain serial numbers: …–3216. Only with: Main rotor latch bolt P/N 206-010-169-001, 206-010-169-003, or 206-011-122-003 installed.
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.
2003-13-14	Bell Helicopter Textron Canada Model 206A, 206A-1, 206B, 206B-1, 206L, 206L-1, 206L-3…	Aug 12, 2003	Airframe (206B)
81-18-01 R1	Bell Helicopter Textron, Inc. Model 206A, 206B, 206A-1, 206B-1, 206L, and 206L-1…	Dec 11, 2001	Airframe (206B)Only with: Main rotor trunnion P/N 206-010-104-3, 206-011-113-001, 206-011-120-001, or 206-011-113-103 installed.
95-09-06	Bell Helicopter Textron, Inc. Model 206A, 206B, 206L, 206L-1, and 206L-3 Helicopters	Jun 8, 1995	Airframe (206B)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (3)

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 · malfunctionedJun 23, 2001
DEPARTING THE AIRPORT, THE ENGINE FLAMED OUT OR SURGED. THE ENGINE WAS RUN ON A TEST CELL. TEST CELL SHOWED: 1)A CYCLING ANTI-ICE VALVE SOLENOID. 2) A RICH FUEL FLOW. 3) A WARPED OUTER COMBUSTION CHAMBER. THIS TOGETHER, COULD CAUSE A SURGE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Main rotor drive · transmission · leakDec 21, 1995
TRANSMISSION OIL LEAKING THROUGH CORK. CORK SEEMS SATURATED WITH OIL. APPEARS CORK NEEDS TO BE SEALED WITH SOMETHING BETTER THAN SHELLAC.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Engine · engine · flame-outAug 25, 1995
HELICOPTER EXPERIENCED 3 ENGINE FLAME-OUTS WITHIN APPROXIMATELY 5 MINUTES. THE AUTO RE-IGNITION STARTED THE ENGINE IN-FLIGHT EACH TIME. NORMAL LANDING WAS ACCOMPLISHED. A COMPLETE INSPECTION OF THE FUEL SYSTEMS, CONTROL SYSTEMS, FUEL FILTERS, AIR FILTERS, FUEL NOZZLE, FUEL CONTROL, GOVERNOR, FUEL…
From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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