# NTSB investigations: Aerospatiale SA315B, UT

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 WPR24LA161](https://openairdocs.org/ntsb/WPR24LA161.md): Aerospatiale SA315B · Hildale, UT · Accident · Minor injuries · Class 3 · Limited · Final report · May 27, 2024 · N57948 · Substantial damage
  > Maintenance personnel’s failure to properly secure the EGT thermocouples, which resulted in catastrophic overtemperature of the engine and a total loss of engine power.
- [NTSB DEN05LA131](https://openairdocs.org/ntsb/DEN05LA131.md): Aerospatiale SA315B · Duchesne, UT · Accident · Minor injuries · Limited investigation · Final report · Sep 2, 2005 · N220SH · Substantial damage
  > the loss of control during external load operations for undetermined reasons.
- [NTSB SEA92LA076](https://openairdocs.org/ntsb/SEA92LA076.md): Aerospatiale SA315B · Magna, UT · Accident · No injuries · Limited investigation · Final report · Apr 13, 1992 · N315DY · Substantial damage
  > The overheat of the engine combustion section, and the failure of the turbine blades.
- [NTSB DEN90FA115](https://openairdocs.org/ntsb/DEN90FA115.md): Aerospatiale SA315B · La Sal, UT · Accident · Serious injuries · Field investigation · Final report · May 23, 1990 · N402AH · Substantial damage
  > A failure of the engine speed governor unit due to improper storage and/or inspection of the speed governor unit prior to placing it in service. A factor in the accident was the pilot carrying passengers on the external load.
- [NTSB DEN85LA057](https://openairdocs.org/ntsb/DEN85LA057.md): Aerospatiale SA315B · Salt Lake City, UT · Accident · Minor injuries · Limited investigation · Final report · Jan 3, 1985 · N1356A · Destroyed
  > The helicopter collided uncontrolled with the terrain during external load operation. A 100 ft steel cable was attached to the cargo hook on the helicopter and a nylon sling was attached to the cable so a snowcat could be pulled out of a mud area. The plt…
- [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 DEN84LA175](https://openairdocs.org/ntsb/DEN84LA175.md): Aerospatiale SA-315B · Salina, UT · Accident · No injuries · Limited investigation · Final report · Jun 10, 1984 · N29907 · Substantial damage
  > The acft was on a maintenance check flt after the main rotor shaft assembly thrust bearing had been replaced after the acft had yawing problems and popping sounds at high pitch settings while liftings loads. The plt tried to duplicate the conditions for the…
- [NTSB DEN82DA118](https://openairdocs.org/ntsb/DEN82DA118.md): Aerospatiale SA 315 B · 35 Se Moab, UT · Accident · Minor injuries · Final report · Jun 26, 1982 · N221RM · Substantial damage
  > Helicopter lifting sling loads lost power in a hover. Pilot jettisoned load and made a forced landing in a ravine, engine had dirt buildup and erosion in the compressor inlet case which led to compressor stall.
- [NTSB DEN82FTM13](https://openairdocs.org/ntsb/DEN82FTM13.md): Aerospatiale 315B · Coalville, UT · Accident · Serious injuries · Final report · Jun 3, 1982 · N8237 · Substantial damage
  > During a seismic exploration flight the eng quit. No eng malfunction was found.
- [NTSB DEN82FTM05](https://openairdocs.org/ntsb/DEN82FTM05.md): Aerospatle 315B · Cedar City, UT · Accident · Minor injuries · Closed · Nov 21, 1981 · N47273 · Substantial damage
- [NTSB DEN79FTM06](https://openairdocs.org/ntsb/DEN79FTM06.md): Aerospatial SA315B · Magna, UT · Accident · Minor injuries · Closed · Dec 21, 1978 · N10067 · Substantial damage
- [NTSB DEN77DTM09](https://openairdocs.org/ntsb/DEN77DTM09.md): Aerospatle SA315B · Thistle, UT · Accident · No injuries · Closed · Jan 31, 1977 · N67103 · 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."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8680615'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8680615&state=UT

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