- Manufacturer (registry)
- BELL
- Model
- TH-1L
- Registry code
- 1180817
- Registered
- 0 aircraft
- Type
- Rotorcraft
- Engines
- 1 · Turbo-shaft
- Seats
- 6
- Weight class
- Up to 12,499 lb
- Certification
- Type certificated
- Data sheet
- TCDSH4NM
- Holder
- Bell Textron Inc.
Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.
On this page
Aircraft by year built · 8
| 1969 | 3 |
|---|---|
| 1970 | 3 |
| 1989 | 1 |
| 1995 | 1 |
Airworthiness directives that may apply · 29
ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1988 | 2 |
|---|---|
| 1990 | 2 |
| 1991 | 1 |
| 1994 | 1 |
| 1995 | 1 |
| 1996 | 1 |
| 1997 | 1 |
| 1999 | 1 |
| 2000 | 2 |
| 2002 | 3 |
| 2006 | 1 |
| 2012 | 2 |
| 2013 | 2 |
| 2014 | 1 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 1 |
See all 31 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 ('1180817'))
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 ('1180817'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESCRun 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 · 3
Historical bulletins · 1
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 ('1180817'))
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 ('1180817'))
GROUP BY s.saib_number ORDER BY issue_date DESCRun 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 · 0
No aircraft currently registered with this model
STCs approved for this model · 10
STC SR00119DEInstallation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control CablesSTC SR00332NYInstallation of Avionics Specialties power analyzer and recorder no. SL17009 and SL17061.STC SR00563NYInstallation of Skidtubes and associated saddlesSTC SR01298NYInstallation of replacement crosstubes P/N D212-664.STC SR01742NYInstallation of extended height landing gear.STC SR03408CHInstall Airwolf Aerospace, LLC Tension-Torsion Strap Assemblies, P/N AA-204-310-101-101 or AA-204-310-101-103STC SR09167RCReplacement of tail rotor control roller chain.STC SR09177RCModification of the vertical fin sparSTC SR09316RCFabrication, modification, and installation of a new vertical fin spar in accordance with Global Helicopter Technology, Inc., Drawing number VTF-030-801, Revision B, dated April 5, 2001, or later FAA approved revision.STC SR12332SEInstallation of Mechanical Specialties, LLC Human External Cargo (HEC) and non-HEC Hook System
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = 'TH1L') ORDER BY s.status = 'Current' DESC, s.stc_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 s.stc_number, s.description, s.holder, s.status, s.status_date FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = 'TH1L') ORDER BY s.status = 'Current' DESC, s.stc_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 · 7
Aircraft matched to this model through the registry, by N-number and event date.
Of 7 cases with NTSB’s older coding, defined in its coding manual.
NTSB SEA98LA017Accident · Minor injuriesLimited investigationFinal reportBell TH-1L · Canby, ORThe pilot's allowance of excessive airspeed resulting in the long-line hook impacting the tail rotor, and his allowance of an airspeed bleed-off preventing a successful run-on landing due to a loss of yaw control.NTSB SEA97LA025Accident · 1 fatalLimited investigationFinal reportGarlick TH-1L · Leavenworth, WAFatigue failure of the vertical stabilizer spar cap and subsequent loss of the rotorcraft's vertical stabilizer. Factors include inadequate inspection or trouble-shooting of the aircraft tail cone and vertical stabilizer at and after the time sheet-metal…NTSB SEA95LA110Accident · 1 fatalLimited investigationFinal reportGarlick TH-1L · Umpqua, ORThe pilot's failure to maintain clearance with a tree, resulting in a tail rotor blade strike on the tree which disabled the tail rotor. Contributing to the accident was the 150-foot-high rock bluff.NTSB LAX94LA132Accident · Minor injuriesLimited investigationFinal reportBell TH-1L · Etna, CAThe faituge of the gear tooth which caused the failure of the 42-degree gear box.NTSB BFO90DOA01Accident · Minor injuriesFinal reportBell TH-1L · Galax, VAThe lost of engine power because of a compressor stall.NTSB MIA89LA081Accident · No injuriesLimited investigationFinal reportBell TH-1L · Greenville, FLInstallation of the improper sprag clutch assembly by the owners maintenance personnel resulting in failure of the sprag clutch and the loss of transmission drive.NTSB ATL88FA213Accident · Serious injuriesField investigationFinal reportBell TH-1L · Walterboro, SCThe military surplus helicopter experienced a 42 degree gear box failure while lifting a load of logs. The helicopter subsequently landed hard as the plt was attempting to autorotate to a ldg. Metallurgical examination of the gearbox revealed that a gear…
Query with SQL
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 ('1180817')
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 ('1180817')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun 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 · 7
Matched to this model through the registry, by N-number and event date.
Accident 19971125034969ABell TH1L · Canby, ORBell TH-1L acft crashed und unk circ. Canby, OR. (.19)on November 25, 1997, approxiamtely 1120 pacific standard time, a Bell TH-1L rotorcraft, N8160G, registered to kenneth g. guthrie, d/b/a blue bird helicopters, and being flown by a commercial pilot was…Accident 19961105034799ABell TH1L · Leavenworth, WAHelicopter involved in logging operation, lost tail rotor, while picking up a load, crashed.Accident 19950601043629ABell TH1L · Umpoua, ORDuring hover for log pickup. Went into spin. Crashed. Tail rotor sheared off striking trees. No mechanical problemsAccident 19940223002819ABell TH1L · Etna, CAVibration after log pickup tried dump load. Lost tail rotor. Uncontrolled spin to impact. 42 degree gear box failedAccident 19900801033739ABell TH1L · Hillsville, VAEngine quit while spraying powerline right of way. Autorotated into trees. No cause for power loss in report.Accident 19890208031229ABell TH1L · Greenville, FLLoud noise,lost RPM. Autorotated into trees. Improper sprag clutch installed,became disengaged from stress and wearAccident 19880712026399ABell TH13T · Walterboro, SCVibration on sling load dropped load spin right to crash. Tail rotor gear box failed.
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 ('1180817')
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 ('1180817')
ORDER BY event_date DESC, report_number DESCRun 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
No reports name this modelGeneral aviation reporting is voluntary.