Bell UH-1H airworthiness directives

Aircraft by year built · 208

1941Registered nowDeregistered2026

Aircraft by the year they were built: 208 aircraft
1941	1
1962	1
1963	6
1964	19
1965	22
1966	37
1967	21
1968	25
1969	13
1970	11
1971	7
1972	4
1973	4
1974	3
1976	2
1977	8
1992	1
1995	4
1996	4
2002	2
2004	1
2005	1
2007	2
2008	2
2009	1
2012	1
2015	1
2016	1
2018	1
2019	1
2020	1

Airworthiness directives that may apply · 26

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1980In forceSuperseded2026

ADs by the year they took effect: 28 ADs
1980	1
1990	1
1991	1
1993	1
1994	1
1995	1
1996	1
1997	1
1999	1
2000	2
2002	3
2006	1
2012	2
2013	2
2014	1
2021	2
2022	5
2024	1

Airframe · Bell UH-1H

AD 2024-19-17Rotorcraft flight controlEffective Oct 11, 2024 AD 2022-20-14Main Rotor GearboxEffective Dec 27, 2022 AD 2022-22-12Nose/Tail Landing Gear Structure/AxleEffective Nov 22, 2022

See all 28 ADs

Query with SQL

duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
  FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
  WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('1181407'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('1181407'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Information bulletins that may apply · 2

Airframe · Bell UH-1H

SAIB SW-18-29R1Rotorcraft Tail Boom, Attach Structure FailureIssued Feb 19, 2019 SAIB SW-12-38Emergency Push Out Window RetentionIssued Jul 30, 2012

Historical bulletins · 1

SAIB SW-18-29Rotorcraft Tail Boom, Attach Structure FailureIssued Oct 1, 2018

Query with SQL

duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
  FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
  WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('1181407'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('1181407'))
GROUP BY s.saib_number ORDER BY issue_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Registered aircraft · 291

N10432Huey 197 LLC · Argyle, TXBuilt 1968 · S/N 68-16197 N1044QReynolds Darryl G · Wills Point, TXS/N 66-17100 N104HFArmy Aviation Heritage Foundation · Hampton, GABuilt 1968 · S/N 68-16104

See all 291 registered aircraft

Query with SQL

duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('1181407')
  ORDER BY n_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
WHERE aircraft_model_code IN ('1181407')
ORDER BY n_number

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB investigations · 49

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

Defining event, 2008 on

Of 22 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 25 cases with NTSB’s older coding, defined in its coding manual.

NTSB ERA26LA193Accident · No injuriesClass 4 · LimitedFinal reportBell UH1 · Enterprise, ALThe in-flight separation of a turn lock fastener stud, which resulted in substantial damage to one tail rotor blade.Apr 4, 2026 · N75140 · Substantial damage NTSB WPR24LA030Accident · No injuriesClass 3 · LimitedFinal reportArrow Falcon Exporters UH-1H · Firebaugh, CAAn on-ground fuel fire for reasons that could not be determined due to extensive thermal damage.Nov 4, 2023 · N3053Q · Substantial damage NTSB CEN23LA295Accident · No injuriesClass 3 · LimitedFinal reportBell UH-1H · Woodlawn, ILThe separation of the tail boom from the fuselage for reasons that could not be determined.Jul 11, 2023 · N900VF · Substantial damage

See all 49 investigations

Query with SQL

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey WHERE a.aircraft_model_code IN ('1181407') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('1181407')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.aircraft_model_code IN ('1181407')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

FAA incident reports · 59

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

Incident 20251106017539IBell UH-1H · Nome, AKOn November 6, 2025, N959BH flew from unalakleet to Nome, Alaska. The PIC idnetified damage to one of the tail rotor blades during the post flight walkaround. It was later identfied that a dzus fastner had seperated from the vertical tail rotor drive shaft…Nov 6, 2025 · N959BH · Minor damage Accident 20231104021059ABell UH-1H · Firebaugh, CAOn November 4, 2023, [privacy data omitted] a Bell UH-1H helicopter caught fire during the startup of a maintenance check. During the engine startup, it was reported by the pilot that there were no abnormalities. Engine instruments appeared normal.…Nov 4, 2023 · N3053Q · Destroyed Accident 20230711010509ABell UH-1H · Woodlawn, ILThe aircraft was located in a farm field north east of Woodlawn IL. The lat/long of the accident scene is 38 degree 19 minutes 58 seconds north by 89 degrees 01 minutes 25 seconds west as shown on google earth. The scene of the accident is approximately 1/3…Jul 11, 2023 · N900VF · Substantial damage

See all 59 incident reports

Query with SQL

duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('1181407')
  ORDER BY event_date DESC, report_number DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
WHERE aircraft_model_code IN ('1181407')
ORDER BY event_date DESC, report_number DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

Service difficulty reports · 93

SDR 2020FA0000296Pin · dislodgedPRIMARY CAUSE OF DAMAGE TO ACCESSORY DRIVE, PIN CAME OUT OF SLEEVE BUSHING AND DAMAGED ADJOINING COMPONENTS. ENGINE IS STILL UNDER TEARDOWN AND INSPECTION.Feb 12, 2020 · N812SB · Bell UH1H · Accessory Gearboxes SDR 2018FA0000537Support · inflt separationTHE SWASHPLATE SUPPORT FAILED AT 1916 HOURS IN SERVICE, PRIOR TO ITS SCHEDULED RETIREMENT LIFE OF 3600 HOURS, FOR UNKNOWN REASONS. TOTAL TIME TRACKING ERRORS WERE NOTED IN RECORDS. WHILE IN CRUISE FLIGHT AT APPROXIMATELY 500 AGL, THE PILOT AND HIS PASSENGER REJul 24, 2018 · N107CH · Bell UH1H · Main Rotor Mast/Swashplate SDR 2018FA0000193Quill · disconnectedAIRCRAFT EXPERIENCED A LOSS OF TAIL ROTOR CONTROL DURING FLIGHT REQUIRING THE PILOT TO CONDUCT A HOVERING AUTOROTATION THAT DAMAGED THE LANDING GEAR AND BELLY OF THE AIRCRAFT. POST INCIDENT SHOWED TAIL ROTOR CONTROLLABILITY AND CONTINUITY FROM THE PEDDLES TO Jun 20, 2018 · N777S · Bell UH1H · Tail Rotor Control System

See all 93 difficulty reports

Query with SQL

duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE aircraft_model_key = 'UH1H'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE aircraft_model_key = 'UH1H'
ORDER BY difficulty_date DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Query with SQL

duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
  WHERE m.match_key = 'UH1H' AND m.code NOT IN ('1181407')
  GROUP BY ALL
  ORDER BY aircraft DESC
  LIMIT 12"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'UH1H' AND m.code NOT IN ('1181407')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.