Skip to content
KnownTail
Aircraft record

N4085L1968 Bell UH-1H

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Aug 21, 2020.

Safety record in brief:2 NTSB accidents (substantial damage at worst, latest Jun 2019)9 ADs may apply

Registration
Deregistered
Last based in
Billings, MT
owner city / state
Engine
T53-L-13 · 1400 hp
Lycoming
Owners
1
since 2020
NTSB events
2
substantial, 2019
ADs may apply
9
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Billings Flying Service
Owner type
Corporation
City, state
Billings, MT
Certificate issued
Aug 14, 2020
Canceled
Aug 21, 2020
Airworthiness
Restricted · Agriculture and Pest Control, Forest, Other
Airworthiness date
May 11, 1999

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-1H
Year
1968
Serial number
68-15655
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
15
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A4CD6B

Engine

Make and model
Lycoming T53-L-13
Type
Turbo-shaft
Power
1400 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. 2020Billings Flying ServiceBillings, MT

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 (2)

Accident · substantial damage

Jun 6, 2019 · Bethel, AK

The pilot's improper fuel planning, which resulted in fuel exhaustion and a total loss of engine power, and his improper landing flare during a forced autorotation, which resulted in a hard landing. Contributing to the accident were the inoperative fuel gauge, which was not accurately calibrated, and the pilot’s reliance on the gauge.

Damage
Substantial
Injuries
None
Report
GAA19CA344

From NTSB records; matched by serial number.Read NTSB report (search CAROL for GAA19CA344)

Accident · substantial damage

Sep 6, 1999 · Silverton, CO

The total loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.

Damage
Substantial
Injuries
Minor
Report
DEN99LA160

From NTSB records; matched by serial number.Read NTSB report (search CAROL for DEN99LA160)

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-1H)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-1H)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 (T53-L-13)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-1H)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-1H)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-1H)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-1H)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-1H)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-1H)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.

Related aircraft

Show all 8 related aircraft
All 294 registered Bell UH-1H aircraft

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

Request owner name removalReport an error in this record

Claim this airplaneAlerts