# NTSB investigations: Aerospatiale SA316B ALOUETTE III NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports. ## Latest cases - [NTSB LAX98TA278](https://openairdocs.org/ntsb/LAX98TA278.md): Aerospatiale SA316B · Porterville, CA · Accident · No injuries · Final report · Aug 27, 1998 · N605RA · Substantial damage > The pilot's failure to maintain adequate in-flight clearance between the bucket and trees resulting in the entanglement/separation of the long line and subsequent impact with and separation of the tail rotor assembly. A factor was the trees. - [NTSB LAX94LA311](https://openairdocs.org/ntsb/LAX94LA311.md): Aerospatiale SA316B · Stateline, NV · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 1994 · N981CF · Substantial damage > the failure of the pilot to maintain the proper rate of descent during the vertical descent into the landing zone, which resulted in a hard landing. Factors in the accident were high density altitude and dark night light conditions. - [NTSB FTW93LA203](https://openairdocs.org/ntsb/FTW93LA203.md): Aerospatiale SA316B · Snyder, TX · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 1993 · N3154Y · Substantial damage > Failure of the pilot in command to properly compensate for wind conditions resulting in the loss of directional control through loss of tail rotor authority. Factors were high winds, high density altitude, and failure to jettison the external load. - [NTSB DEN93FA038](https://openairdocs.org/ntsb/DEN93FA038.md): Aerospatiale SA316B · Aspen, CO · Accident · 3 fatal · Field investigation · Final report · Apr 1, 1993 · N3153R · Destroyed > Failure of the flight control lower mixing unit due to fatigue, which resulted in the loss of control. - [NTSB LAX92FA054](https://openairdocs.org/ntsb/LAX92FA054.md): Aerospatiale SA 316B · Bridgeport, CA · Accident · 4 fatal · Field investigation · Final report · Nov 28, 1991 · N146RM · Destroyed > Failure of the helicopter's tail rotor drive shaft and drive shaft bearing due to undetermined reason(s). - [NTSB SEA91LA028](https://openairdocs.org/ntsb/SEA91LA028.md): Aerospatiale SA316B · Vernal, UT · Accident · Minor injuries · Limited investigation · Final report · Dec 3, 1990 · N316BS · Destroyed > A malfunction/failure of the helicopter's main rotor lead-lag damper. - [NTSB DEN90FA172](https://openairdocs.org/ntsb/DEN90FA172.md): Aerospatiale SA316B · Meeteetse, WY · Accident · Serious injuries · Field investigation · Final report · Aug 20, 1990 · N83776 · Destroyed > A main rotor head blade dampener failure. A factor in the accident was the subsequent failure of a blade restraining cable. - [NTSB DEN87LA189](https://openairdocs.org/ntsb/DEN87LA189.md): Aerospatiale SA316B · Red Lodge, MT · Accident · No injuries · Limited investigation · Final report · Jul 19, 1987 · N48184 · Substantial damage > The plt said he was getting ready to take off from a 9400-FT MSL landing zone a top a mountain 7 mi ssw of Red Lodge, MT. The plat said the helicopter was positioned on a slight north-south slope and pointed towards the west. The wind was from the south… - [NTSB MIA85FA191](https://openairdocs.org/ntsb/MIA85FA191.md): Aerospatiale SA316B · Silver Springs, FL · Accident · No injuries · Field investigation · Final report · Jun 13, 1985 · N49550 · Substantial damage > The plt of the helicopter on an on demand air taxi medevac flt encountered deteriorating wx conditions and attmepted to maintain VFR flt in IMC conditions. He descended and struck a tree causing substantial damage. He then made a forced landing and the… - [NTSB LAX85FA126](https://openairdocs.org/ntsb/LAX85FA126.md): Aerospatiale SA316B · Galt, CA · Accident · Serious injuries · Field investigation · Final report · Jan 30, 1985 · N67081 · Substantial damage > While in cruise the plt lost tail rotor control and elected to execute an emergency landing in an open field. The tail rotor gearbox was found 45 ft from the main wreckage. The tail rotor guard was found 60 ft from the main wreckage. It did not exhibit any… - [NTSB DEN85IA025](https://openairdocs.org/ntsb/DEN85IA025.md): Aerospatiale SA315B (Lama) · Oak City, UT · Incident · Minor injuries · Incident investigation · Final report · Nov 11, 1984 · N5785V · 2 aircraft · Minor damage > Both acft were performing external load operations. N5785V was in level flt to the north. N9362 was in a 60-70 kt slight climb to the southeast. Neither plt, both in rt seats, saw the other acft before contact. Three main rotor blades of N5785V passed through… - [NTSB DEN85LA020](https://openairdocs.org/ntsb/DEN85LA020.md): Aerospatiale SA316B · Lima, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 26, 1984 · N8624 · Substantial damage > Aprx 35 min prior to the accident the seismic operations being conducted about 10 mi NE were secured due to poor visibility and high winds. The plt estimated wind to have been from 180 deg at 40 KTS gusting to 60. As the plt approached the landing zone… - [NTSB DEN84LA282](https://openairdocs.org/ntsb/DEN84LA282.md): Aerospatiale 316B Alouette III · Cokeville, WY · Accident · No injuries · Limited investigation · Final report · Sep 5, 1984 · N8266 · Substantial damage > The plt stated that he lost tailrotor control while maneuvering for a landing. He elected to return to Cokeville airport and make the landing. The plt executed an aitorotation to the runway and during the landing flare, the tail skid struck the runway,… - [NTSB DEN84LA168](https://openairdocs.org/ntsb/DEN84LA168.md): Aerospatiale SA316B · Alcova, WY · Accident · No injuries · Limited investigation · Final report · Jun 3, 1984 · N4997A · Substantial damage > Plt stated that the approach and landing were normal until ground resonance started and the brakes did not hold. The plt attempted to pick back up to a hover to reposition, but lost directional control. The acft yawed and rolled to the left on nose. The plt… - [NTSB DEN82DA130](https://openairdocs.org/ntsb/DEN82DA130.md): Aerospatiale SA316B · Meeteetse, WY · Accident · Serious injuries · Final report · Jul 8, 1982 · N67081 · Destroyed > Prior to this flight, a long line had been attached to the helicopter for an external load operation. However, there wasa change in the schedule and the pilot was instructed to return to the base camp with six passengers. When the pilot took off, he was… - [NTSB FTW81IA103](https://openairdocs.org/ntsb/FTW81IA103.md): Aerospatial SE3160 · Ruidoso, NM · Incident · No injuries · Closed · Jun 9, 1981 · N605RA · Minor damage - [NTSB LAX81DVA22](https://openairdocs.org/ntsb/LAX81DVA22.md): Aerospatle S316B · Dinky Creek, CA · Accident · Minor injuries · Closed · Feb 13, 1981 · N48184 · Substantial damage - [NTSB DEN81FTM07](https://openairdocs.org/ntsb/DEN81FTM07.md): Aerospatle SA316B · Coalville, UT · Accident · No injuries · Closed · Jan 22, 1981 · N10364 · Substantial damage - [NTSB FTW81FRA02](https://openairdocs.org/ntsb/FTW81FRA02.md): Alouette SA316B · Houston, TX · Accident · Minor injuries · Closed · Oct 13, 1980 · N35928 · Substantial damage - [NTSB SEA73AS019](https://openairdocs.org/ntsb/SEA73AS019.md): Alouette III · Clarkston, WA · Accident · Minor injuries · Closed · Jan 19, 1973 · N9703 · Substantial damage - [NTSB FTW73FRD02](https://openairdocs.org/ntsb/FTW73FRD02.md): S.N.I.A.S SA316B · St.Martinville, LA · Accident · No injuries · Closed · Aug 8, 1972 · N5957 · Substantial damage ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```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_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8680515')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC ``` This list as a web page: https://openairdocs.org/ntsb?model=8680515 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.