Skip to content
KnownTail
Aircraft record

N53AG1972 Bell UH-1H

Registration validUnclaimedSource: FAA, updated Oct 19, 2026

Safety record in brief:No NTSB accidents or incidents since 198211 ADs may apply23 service difficulty reports

Registration
Valid
expires Jan 31, 2028
Based in
Panama City, FL
owner city / state
Engine
T53-L-13B · 1400 hp
Lycoming
Owners
1
since 2007
NTSB events
None
since 1982
ADs may apply
11
confirm with A&P
Service reports
23
since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026
Registered owner
Coastal Helicopters INC
Owner type
Corporation
City, state
Panama City, FL
Certificate issued
Aug 3, 2007
Expires
Jan 31, 2028
Airworthiness
Restricted · Agriculture and Pest Control, Aerial Surveying, Forest, Patrolling, Other
Airworthiness date
Nov 3, 2016

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
1972
Serial number
72-21588
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
15
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A6AE1B

Engine

Make and model
Lycoming T53-L-13b
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. 2007 – nowCoastal Helicopters INCPanama City, FL · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (11)

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
2022-10-02Engine ControlsJun 28, 2022Engine (T53-L-13B)
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.
2006-11-16Honeywell International Inc. T5311A, T5311B, T5313B, T5317A, T5317A-1, and T5317B Series…Jul 5, 2006Engine (T53-L-13B)Only with: Engines using GPECS (formerly Chandler Evans) engine fuel control regulator assembly models TA-2S, TA-2G, TA-2F, TA-7, or TA-10.
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-13B)Only with: Engines with centrifugal compressor impellers having serial numbers 83317, 83327, 83328, or 83330 installed.
Show all 11 ADs
ADSubjectEffectiveApplies to
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.
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 (23)

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.

  • Main rotor drive · drive shaft · vibrationMay 11, 2005

    ( 2005-5-1) PILOT NOTICED VIBRATION AND RUMBLE COMING FROM THE MAIN TRANSMISSION AREA ON TAKEOFF. MECHANIC DID TROUBLE TROUBLESHOOTING PROCEDURES AND NOTICED ONE OF THE FLEX PLATES ON THE MAIN DRIVE SHAFT HAD SNAPPED CAUSING THE DRIVE SHAFT TO BE IN FAIL SAFE MODE. DRIVE SHAFT WAS REPLACED AND…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine oil · pump · brokenAug 12, 2003

    PUMP PRODUCING FLUXUATING OIL PRESSURE

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · cylinder · wornJul 20, 2001

    PART IS WORN EXCESSIVELY.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Lights · control panel · inoperativeApr 16, 2001

    LIGHTS WILL NOT COME ON. CONTROL PANEL INOPERATIVE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Electrical power · regulator · out of adjApr 16, 2001

    REGULATOR UNABLE TO HOLD ADJUSTMENT.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Tail rotor drive · shaft · wornApr 6, 2001

    PART IS WORN EXCESSIVELY.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Tail rotor drive · shaft · wornApr 6, 2001

    PART IS WORN EXCESSIVELY.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Communications · audio panel · failedFeb 17, 2000

    ICS BOX DOES NOT TRANSMIT.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Electrical power · volt regulator · inoperativeFeb 11, 2000

    VOLTAGE REGULATOR INOPERABLE, WILL NOT REGULATE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Electrical power · volt regulator · inoperativeFeb 11, 2000

    VOLTAGE REGULATOR INOPERABLE. WILL NOT REGULATE.

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

Showing the 10 most recent of 23 reports.

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 19, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 19, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

Request owner name removalReport an error in this record

Claim this airplaneWatch