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Aircraft record

N9970FBell UH-1B

DeregisteredUnclaimedSource: FAA, updated Oct 18, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Aug 31, 2023.

Safety record in brief:3 NTSB accidents (destroyed damage at worst, latest Jun 2022)9 ADs may apply

Registration
Deregistered
Last based in
Big Lake, AK
owner city / state
Owners
1
since 2013
NTSB events
3
destroyed, 2022
ADs may apply
9
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 18, 2026
Last registered owner
Northern Pioneer Helicopters LLC
Owner type
LLC
City, state
Big Lake, AK
Certificate issued
Feb 8, 2013
Canceled
Aug 31, 2023
Airworthiness
Restricted · Agriculture and Pest Control, Aerial Surveying, Forest, Patrolling, Carriage of Cargo, Other
Airworthiness date
Jun 16, 1993

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
UH-1B
Serial number
60-3568
Aircraft type
Rotorcraft
Category
Land
Certification
Not Type Certificated
Seats
6
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
ADEF02

Engine

Make and model
Lycoming T-53 Series
Type
Turbo-shaft
Power
1150 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. 2013 – 2023Northern Pioneer Helicopters LLCBig Lake, AK
  2. 1952 – 1953Individual ownerBoise, ID · different airframe: Piper Pa-16 S/N 16-632

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 18, 2026 · SDRs · Oct 16, 2026

NTSB events (3)

Accident · destroyed

Jun 27, 2022 · Clear, AK

A loss of control for reasons that could not be determined based on the available information.

Damage
Destroyed
Injuries
Fatal
Report
ANC22FA047

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC22FA047)

Accident · substantial damage

Aug 8, 2013 · Tok, AK

The failure of the tail rotor crosshead bearing, which resulted in a loss of tail rotor control.

Damage
Substantial
Injuries
None
Report
ANC13TA076

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC13TA076)

Accident · substantial damage

Sep 24, 1993 · Detroit Lake, OR

FAILURE OF A SECOND STAGE TURBINE WHEEL TOO LOW FOR A SUCCESSFUL AUTOROTATION. FACTORS INCLUDE A TREE IN THE APPROACH PATH.

Damage
Substantial
Injuries
Serious
Report
SEA93LA213

From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA93LA213)

Accident history for this model

ADs published since 1998 that may apply (9)

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
2014-03-10Various Restricted Category HelicoptersMar 26, 2014Airframe (UH-1B)Only with: Restricted category helicopters with cable assembly part number 205-001-720-001 installed.
2002-20-01Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and…Nov 6, 2002Airframe (UH-1B)Only with: Main rotor tension-torsion strap P/N 204-012-122-1, 204-012-122-5, 2601399, or 2606650 installed; manufactured by BHTI for the US Armed Forces.
2002-15-04Honeywell International, Inc., (formerly AlliedSignal, Inc. and Textron Lycoming)…Sep 10, 2002Engine (T-53 SERIES)Only with: Engines with centrifugal compressor impellers having serial numbers 83317, 83327, 83328, or 83330 installed.
2002-13-51Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P; and…Aug 19, 2002Airframe (UH-1B)Only with: Tail rotor grip P/N 205-011-711-101 installed; helicopters manufactured by Bell for the U.S. Armed Forces.
2002-01-31Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, UH-1P, and…Feb 1, 2002Airframe (UH-1B)Only with: Manufactured for the U.S. Armed Forces, with main rotor mast P/N 204-011-450-007, -105, or -109, or main rotor trunnion P/N 204-011-105-001 installed.
Show all 9 ADs
ADSubjectEffectiveApplies to
2000-15-21 R1Bell Helicopter Textron Inc.-Manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B…Nov 7, 2000Airframe (UH-1B)Only with: Manufactured by BHTI for the U.S. Armed Forces, with main rotor mast assembly P/N 204-011-450-001 or -005 installed.
2000-15-21Bell Helicopter Textron Inc.-Manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B…Aug 9, 2000Airframe (UH-1B)Only with: Main rotor mast assembly P/N 205-011-450-001 or -005 installed.
99-07-15Bell Helicopter Textron, Inc.- manufactured Model HH-1K, SW204, SW204HP, SW205…May 3, 1999Airframe (UH-1B)Only with: Tail rotor yoke P/N 212-011-702 (all dash numbers), P/N 212-010-704 (all dash numbers), or P/N 212-010-744 (all dash numbers) installed.
97-20-09Bell Helicopter Textron (Bell)- manufactured Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B…May 28, 1998Airframe (UH-1B)Only with: Tailboom vertical fin spar P/N 205-032-899, 205-030-846, or 205-032-851, all dash numbers, 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 RegistryRegistration, owner city and state, airframe, engineupdated Oct 18, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 18, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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