Type Record · As of May 3, 2026
BELL UH-1B
Rotorcraft · LYCOMING T53-L-11D
Registered
42
Year Range
1960–2001
NTSB Events
16
Airworthiness Directives
50
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered BELL UH-1B aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- CA 35.7% 15
- MT 9.5% 4
- AK 7.1% 3
- KS 7.1% 3
- MN 7.1% 3
- IN 2.4% 1
- KY 2.4% 1
- OR 2.4% 1
- NC 2.4% 1
- WA 2.4% 1
+9 more states
By Decade of Manufacture
- 1960s 52.4% 22
- 2000s 2.4% 1
- Unknown 45.2% 19
02 / NTSB Records
Events involving BELL UH-1B aircraft
16 event(s) on file. Showing the most recent 16.
-
Mar 2, 2023
N234SJOrland, California
NTSB Docket → -
Jun 22, 2022
N98FAmherstdale, West Virginia Fatal
NTSB Docket → -
Jun 21, 2017
N6180AWilliams, California
NTSB Docket → -
May 7, 2015
N46969Kettle Falls, Washington Minor
NTSB Docket → -
Sep 16, 2013
N204UHDetroit, Oregon Fatal
NTSB Docket → -
Sep 6, 2009
N204JBArvilla, North Dakota Serious
NTSB Docket → -
Dec 5, 2007
N46969Ennis, Montana
NTSB Docket → -
Oct 16, 2003
N234SJDurham, California
NTSB Docket → -
Aug 29, 1997
N22753DAYVILLE, Oregon Serious
NTSB Docket → -
Aug 31, 1994
N204JBCARRABASSET, Maine
NTSB Docket → -
Apr 4, 1985
N1022QRONKONKOMA, New York Fatal
NTSB Docket → -
Jan 10, 1985
N99021SNELLING, California
NTSB Docket → -
Jun 26, 1981
N4237VHEART BUTTE, Montana
NTSB Docket → -
Sep 2, 1980
N99478PROVO, Utah Fatal
NTSB Docket → -
Apr 28, 1979
N11NESOUTHAVEN, Mississippi Minor
NTSB Docket → -
Jun 19, 1971
N5073XVIRGINIA BEACH, Virginia
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to BELL UH-1B
50 directive(s) on file. Showing the most recent 25 · 25 more in the Federal Register.
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Oct 4, 2024
Airworthiness Directives; Bell Textron Inc. Helicopters
The FAA is adopting a new airworthiness directive (AD) for all Bell Textron Inc. (Bell) Model 204B, 205A, 205A-1, 205B, and 210 helicopters. This AD was prompted by an accident and incidents involving failure of the tail boom attachment structure. This AD requires inspecting the tail boom assembly hardware, replacing…
-
Sep 26, 2024
Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc. Model 204B, 205A, 205A-1, 205B, 210, and 212 helicopters and various restricted category helicopters with certain part-numbered tension torsion (TT) straps installed by supplemental type certificate (STC) No. SR03408CH. This AD was prompted b…
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May 8, 2024
Airworthiness Directives; Bell Textron Inc., Helicopters
The FAA is revising a notice of proposed rulemaking (NPRM) that would have applied to all Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, and 210 helicopters. This AD was prompted by an accident and incidents involving failure of the tail boom attachment structure. This action revises the NPRM by changing the propo…
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Nov 21, 2022
Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters and various restricted category helicopters. This AD was prompted by reports of cracks found on the main transmission support case. This AD requires repetitive inspe…
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Nov 7, 2022
Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters; certain Erickson 214 Holdings, LLC, Model 214B and 214B-1 helicopters; certain Leonardo S.p.a. Model AB412 and AB412 EP helicopters; and certain various res…
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Oct 12, 2022
Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Inc. Model 204B, 205A, and 205A-1 helicopters and various restricted category helicopters. This AD was prompted by a report of cracked main rotor blades (MRBs). This AD requires repetitive inspections of each MRB and removing any cracked M…
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Jun 29, 2022
Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bell Textron Inc. Model 204B, 205A, and 205A-1 helicopters and various restricted category helicopters. This proposed AD was prompted by a report of cracked main rotor blades (MRBs). This proposed AD would require repetitive inspections of each M…
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Jun 7, 2022
Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for all Bell Textron Inc. (type certificate previously held by Bell Helicopter Textron Inc.), Model 204B, 205A, 205A-1, 205B, and 210 helicopters. This proposed AD was prompted by events involving failure of the tail boom attachment structure. This proposed…
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Apr 14, 2022
Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for Bell Textron Inc., Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412CF, and 412EP helicopters and various restricted category helicopters. This proposed AD was prompted by reports of cracks found on the main transmission support case. This proposed AD w…
-
Mar 16, 2022
Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
The FAA is adopting a new airworthiness directive (AD) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This AD was prompted by hoists failing lower load limit inspections. This AD requires replacing unmodified hoists, installing placards, revisi…
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Mar 14, 2022
Airworthiness Directives; Various Restricted Category Helicopters
The FAA is superseding Airworthiness Directive (AD) 2021-15-52 which applied to various restricted category helicopters originally manufactured by Bell Textron Inc. with a certain main rotor hub strap pin (pin) installed. AD 2021-15-52 required removing certain outboard pins from service and prohibited installing them…
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Sep 30, 2021
Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
The FAA is revising a notice of proposed rulemaking (NPRM) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This action revises the NPRM by adding a figure and revising certain requirements. The FAA is proposing this airworthiness directive (AD)…
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Sep 30, 2021
Airworthiness Directives; Arrow Falcon Exporters, Inc. (Previously Utah State University); California Department of Forestry; Firefly Aviation Helicopter Services (Previously Erickson Air-Crane Co.); Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (Previously Western International Aviation, Inc.); International Helicopters, Inc.; Precision Helicopters, LLC; Robinson Air Crane, Inc.; San Joaquin Helicopters (Previously Hawkins and Powers Aviation, Inc.); S.M.&T. Aircraft (Previously US Helicopters, Inc., UNC Helicopter, Inc., Southern Aero Corporation, and Wilco Aviation); Smith Helicopters; Southern Helicopter, Inc.; Southwest Florida Aviation International, Inc. (Previously Jamie R. Hill and Southwest Florida Aviation); Tamarack Helicopters, Inc. (Previously Ranger Helicopter Services, Inc.); US Helicopter, Inc. (Previously UNC Helicopter, Inc.); West Coast Fabrication; and Williams Helicopter Corporation (Previously Scott Paper Co.) Model AH-1G, AH-1S, HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P Helicopters; and Southwest Florida Aviation Model UH-1B (SW204 and SW204HP) and UH-1H (SW205) Helicopters
The FAA is withdrawing a notice of proposed rulemaking (NPRM) that proposed to supersede Airworthiness Directive (AD) AD 2002-20-01, which applies to certain Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH- 1E, UH-1F, UH-1H, UH-1L, and UH-1P helicopters; and Southwest Florida Aviation Model SW204, SW204HP, SW205, and SW20…
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Jul 29, 2021
Airworthiness Directives; Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters originally manufactured by Bell Textron Inc. This AD was prompted by a fatal accident in which an outboard main rotor hub strap pin (pin) sheared off during flight, resulting in the main rotor blade and the main rotor he…
-
Jul 26, 2021
Airworthiness Directives; Various Restricted Category Helicopters
The FAA is adopting a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Textron Inc. (Bell). This AD was prompted by multiple events involving failure of the tail boom attach structure including the bolts. This AD requires revising the existing Rotorcraft Fli…
-
Dec 11, 2020
Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
The FAA proposes to adopt a new airworthiness directive (AD) for various model helicopters with certain part-numbered Goodrich externally-mounted hoist assemblies (hoists) installed. This proposed AD would require replacing unmodified hoists, installing placards, revising the existing Rotorcraft Flight Manual (RFM) fo…
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Oct 31, 2019
Airworthiness Directives; Various Experimental and Restricted Category Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for various helicopters operating under experimental airworthiness certificates and various type certificated restricted category helicopters. This proposed AD was prompted by multiple accidents and incidents involving failure of the tail boom attachment str…
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Jan 17, 2018
Airworthiness Directives; Bell Helicopter Textron Helicopters
We are adopting a new airworthiness directive (AD) for Bell Helicopter Textron (Bell) Model 204B, 205A, and 205A-1 helicopters with a Helicopter Technology Company (HTC) main rotor (M/R) blade installed. This AD requires cleaning and visually inspecting the M/R blades, and depending on the outcome of the inspection, r…
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Jan 17, 2018
Airworthiness Directives; Various Restricted Category Helicopters
We are adopting a new airworthiness directive (AD) for Model TH-1F, UH-1B, UH-1F, UH-1H, and UH-1P helicopters with a Helicopter Technology Company (HTC) main rotor (M/R) blade installed. This AD requires cleaning and visually inspecting the M/R blades and, depending on the outcome of the inspection, repairing or repl…
-
Nov 22, 2016
Airworthiness Directives; Various Restricted Category Helicopters
We are adopting a new airworthiness directive (AD) for various restricted category helicopters. This AD requires cleaning and visually inspecting certain main rotor (M/R) blades and, depending on the outcome of the inspections, repairing or replacing the M/R blades. This AD was prompted by a report of an M/R blade wit…
-
Apr 11, 2016
Airworthiness Directives; Various Restricted Category Helicopters
We propose to adopt a new airworthiness directive (AD) for various restricted category helicopters. This proposed AD would require cleaning and visually inspecting certain main rotor (M/R) blades and, depending on the outcome of the inspections, repairing or replacing the M/R blades. This proposed AD is prompted by a…
-
Feb 19, 2014
Airworthiness Directives; Various Restricted Category Helicopters
We are adopting a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Helicopter Textron, Inc. (Bell), model numbers HH-1K, TH-1F, TH-1L, UH- 1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P. This AD requires inspecting the tail rotor (T/R) cable assembly for a…
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Aug 20, 2013
Airworthiness Directives; Various Restricted Category Helicopters
We propose to adopt a new airworthiness directive (AD) for various restricted category helicopters, originally manufactured by Bell Helicopter Textron, Inc. (Bell), model numbers HH-1K, TH-1F, TH- 1L, UH-1A, UH-1B, UH-1E, UH-1F, UH-1H, UH-1L, and UH-1P. The current type certificate holders include but are not limited…
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Aug 6, 2013
Airworthiness Directives; Various Restricted Category Helicopters
We are adopting a new airworthiness directive (AD) for Arrow Falcon Exporters, Inc. (previously Utah State University); Firefly Aviation Helicopter Services (previously Erickson Air-Crane Co.); California Department of Forestry; Garlick Helicopters, Inc.; Global Helicopter Technology, Inc.; Hagglund Helicopters, LLC (…
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Jul 9, 2013
Airworthiness Directives; Various Restricted Category Helicopters
We are adopting a new airworthiness directive (AD) for various restricted category Model HH-1K, TH-1F, TH-1L, UH-1A, UH-1B, UH-1E, UH- 1F, UH-1H, UH-1L, and UH-1P helicopters with certain main rotor hub inboard strap fittings (fittings) installed. This AD requires a magnetic particle inspection (MPI) of the fittings f…
06 / Supplemental Type Certificates
Modifications approved for BELL UH-1B
66 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
04/14/2023
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
02/08/2023
STC SR00119DE
Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control Cables
Midwest Aerospace TC LLC
-
02/08/2023
STC SR09177RC
Modification of the vertical fin spar
Midwest Aerospace TC LLC
-
02/05/2022
STC SH5690NM
Installation of Advanced Technology Aircraft Co. engine barrier filter.
WSH LLC
-
10/07/2020
STC SR02492LA
Installation of a Helicopter Technology Company main rotor blade assembly
Helicopter Technology Co
-
05/19/2020
STC SH3319NM (1 OF 2)
Installation of Precise Flight Pulselite Control Unit in the\nLanding /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
10/03/2017
STC SR03408CH
Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103
Airwolf Aerospace LLC
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07/24/2017
STC SR02413LA
Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000
AKV Inc.
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05/10/2017
STC SR03408CH
Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103
Airwolf Aerospace LLC
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12/29/2016
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
12/14/2016
STC SR02413LA
Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000
AKV Inc.
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07/07/2016
STC ST04270AT
Install the VTOL ASSALT V3 Windscreen Laminate Kit
VTOL LLC
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04/28/2016
STC SR03408CH
Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103
Airwolf Aerospace LLC
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03/17/2016
STC SR02413LA
Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000
AKV Inc.
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03/07/2016
STC SR00767SE
Fabrication of Helipro spar replacement system
Vector Aerospace Helicopter Services USA Inc.
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02/04/2016
STC SR00767SE
Fabrication and installation of Helipro spar replacement system
Acrohelipro Global Services USA Inc.
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12/11/2015
STC SR02413LA
Installation of an AKV, Inc Exceedence and Trend Monitoring System kit P/N ETM1000
AKV Inc.
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10/08/2015
STC SR02492LA
Installation of a Helicopter Technology Company main rotor blade assembly
Helicopter Technology Co
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01/26/2015
STC SR03408CH
Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103
Airwolf Aerospace LLC
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01/14/2015
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system
Seaplanes North LLC
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12/10/2014
STC SR03408CH
Install Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101 or AA-204-310-103
Airwolf Aerospace LLC
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06/09/2014
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
11/04/2013
STC SR01742NY
Installation of extended height landing gear.
Dart Aerospace Limited
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07/25/2013
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
10/17/2012
STC SH3319NM
Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,
Precise Flight Inc
-
05/23/2012
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system
Floats Alaska LLC
-
03/15/2012
STC SR02394AK
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system per Installation Instructions LED03-20R, Rev. IR, dated October 27, 2010.
Floats Alaska LLC
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02/21/2012
STC SH3319NM
Installation of Precise Pulselite Control System
Precise Flight Inc
-
01/26/2012
STC SR00119DE
Installation of an upgraded 42 degree tail rotor gearbox, P/N 212-040-003, and control cables.
Rotorcraft Development Corporation
-
12/05/2011
STC SH5690NM
Installation of Advanced Technology Aircraft Co. engine barrier filter.
Waukena Flying Services Inc.
+ 36 more STCs on file
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for BELL UH-1B
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 42 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N1022Q | IN | 1964 | ● | Look up ↗ |
| N102FW | KY | — | · | Look up ↗ |
| N11NE | CA | 2001 | ● | Look up ↗ |
| N1MX | AK | — | · | Look up ↗ |
| N204BS | OR | — | · | Look up ↗ |
| N204DS | NC | 1960 | · | Look up ↗ |
| N204DX | MT | — | · | Look up ↗ |
| N204JB | CA | 1963 | ● | Look up ↗ |
| N204UH | MT | 1962 | ● | Look up ↗ |
| N206NJ | WA | 1962 | · | Look up ↗ |
| N22753 | CA | 1964 | ● | Look up ↗ |
| N234SJ | CA | 1962 | ● | Look up ↗ |
| N2956F | CA | — | · | Look up ↗ |
| N370AS | AZ | — | · | Look up ↗ |
| N405PD | TX | — | · | Look up ↗ |
| N4237V | AK | — | ● | Look up ↗ |
| N424NA | CA | — | · | Look up ↗ |
| N444SJ | CA | 1962 | · | Look up ↗ |
| N4480 | CA | — | · | Look up ↗ |
| N45731 | KS | — | · | Look up ↗ |
| N45855 | MN | — | · | Look up ↗ |
| N46928 | MN | — | · | Look up ↗ |
| N46969 | MT | — | ● | Look up ↗ |
| N5073X | CA | 1963 | ● | Look up ↗ |
| N59HP | CA | 1962 | · | Look up ↗ |
| N600MA | CA | 1964 | · | Look up ↗ |
| N606HF | FL | — | · | Look up ↗ |
| N6180A | CA | 1962 | ● | Look up ↗ |
| N62767 | MT | — | · | Look up ↗ |
| N64770 | CA | 1964 | · | Look up ↗ |
| N8043Z | KS | — | · | Look up ↗ |
| N806SB | MN | 1964 | · | Look up ↗ |
| N832M | WY | 1963 | · | Look up ↗ |
| N841M | OK | 1962 | · | Look up ↗ |
| N88976 | NV | — | · | Look up ↗ |
| N893PM | CA | 1962 | · | Look up ↗ |
| N91320 | CA | 1962 | · | Look up ↗ |
| N9434A | PA | — | · | Look up ↗ |
| N98F | WV | 1962 | ● | Look up ↗ |
| N99021 | KS | 1965 | ● | Look up ↗ |
| N99478 | DE | 1963 | ● | Look up ↗ |
| N99675 | AK | 1963 | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →