Skip to content
KnownTail
Aircraft record

N398MBell UH-1H

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (destroyed damage, Jun 2021)8 ADs may apply1 service difficulty report

Registration
Valid
expires Jan 31, 2028
Based in
Helena, MT
owner city / state
Owners
1
since 1992
NTSB events
1
destroyed, 2021
ADs may apply
8
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Usda Forest Service Fepp
Owner type
Government
City, state
Helena, MT
Certificate issued
Aug 17, 1992
Expires
Jan 31, 2028

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
Serial number
65-09984
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
15
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A4A194

Engine

Type
Turbo-shaft

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

Ownership history

Ownership history from FAA records
  1. 1992 – nowUsda Forest Service FeppHelena, MT · current
  2. 1936 – 1937PartnershipMarshall, TX · different airframe: Travel Air C-4000 S/N 1318

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)

Accident · destroyed

Jun 15, 2021 · Townsend, MT

The pilot’s failure to maintain helicopter control after an encounter with settling with power during approach at an altitude that was too low for recovery, which resulted in a hard landing.

Damage
Destroyed
Injuries
None
Report
WPR21LA236

From NTSB records; matched by serial number.Read NTSB report (search CAROL for WPR21LA236)

Accident history for this model

ADs published since 1998 that may apply (8)

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.
2002-13-51Model 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.
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.
Show all 8 ADs
ADSubjectEffectiveApplies to
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 (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.

  • Stabilizers · bolt · defectiveMar 27, 1996

    DURING C/W ARMY BULLETIN 95-ASAM-05 ON STABILIZER BAR PIVOT BOLTS, THE NUTS WERE FOUND BOTTOMED OUT ON THE BOLT SHANK. NEW PARTS IAW ARMY PART MANUAL DID NOT PROPERLY SOLVE THE PROBLEM, HOWEVER, INSTALLATION OF BELL'S COMMERCIAL 205 BOLTS 20-057-10S27D AND SPECIAL WASHERS 140-007-41S38C4 WOULD…

    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

Request owner name removalReport an error in this record