# NTSB investigations: Franklin 6V4 series: Loss of engine power(total) - nonmechanical

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 LAX05LA112](https://openairdocs.org/ntsb/LAX05LA112.md): Hiller UH-12B · Thermal, CA · Accident · No injuries · Limited investigation · Final report · Mar 12, 2005 · N5311V · Substantial damage
  > the pilot's inadequate in-flight planning and failure to refuel the helicopter, which resulted in fuel exhaustion.
- [NTSB ANC04LA027](https://openairdocs.org/ntsb/ANC04LA027.md): Hiller UH-12B · Bradenton, FL · Accident · No injuries · Limited investigation · Final report · Feb 22, 2004 · N5304V · Substantial damage
  > The pilot's inadequate in-flight planning/decision which resulted in fuel exhaustion. Also causal was the pilot's failure to maintain adequate rotor speed, resulting in a hard landing.
- [NTSB CHI01FA231](https://openairdocs.org/ntsb/CHI01FA231.md): World Helicopters 47D1 · Ballard, MO · Accident · 2 fatal · Field investigation · Final report · Jul 22, 2001 · N17301 · Destroyed
  > The pilot's improper preflight planning which resulted in fuel exhaustion, and the pilot's subsequent improper autorotation.
- [NTSB LAX00LA288](https://openairdocs.org/ntsb/LAX00LA288.md): Bell 47D · Stockton, CA · Accident · No injuries · Limited investigation · Final report · Aug 5, 2000 · N39KH · Substantial damage
  > The pilot's inadequate planning by which he miscalculated fuel consumption which resulted in fuel exhaustion.
- [NTSB MIA98LA051](https://openairdocs.org/ntsb/MIA98LA051.md): Bell 47D1 · Bunnell, FL · Accident · No injuries · Limited investigation · Final report · Jan 3, 1998 · N59326 · Substantial damage
  > the student pilot's improper planning/decision, which resulted in fuel exhaustion, loss of engine power, and a forced landing.
- [NTSB SEA92LA141](https://openairdocs.org/ntsb/SEA92LA141.md): Bell-World 47D1 · Wenatchee, WA · Accident · No injuries · Limited investigation · Final report · Jun 29, 1992 · N17301 · Destroyed
  > Carburetor ice and the pilot in command's not being able to maintain clearance. Factors contributing to the accident were: carburetor icing conditions and tree(s).
- [NTSB MIA92LA102](https://openairdocs.org/ntsb/MIA92LA102.md): Bell 47-D-1 · Fayette, MS · Accident · Minor injuries · Limited investigation · Final report · Apr 2, 1992 · N322A · Substantial damage
  > The pilot in commands failure to insure the proper fuel quantity for the flight was placed on the aircraft and his failure to monitor fuel quantity during flight resulting in fuel exhaustion.
- [NTSB LAX87LA294](https://openairdocs.org/ntsb/LAX87LA294.md): Bell 47D-1 · Taft, CA · Accident · No injuries · Limited investigation · Final report · Aug 5, 1987 · N917B · Substantial damage
  > The plt rprtd the eng lost power at about 300' AGL after the helicopter had flown aprx 2.7 hrs without refueling. He initiated an autorotative landing; however, before touchdown, the main rotor blades contacted & severed the tail boom. An exam revealed the…
- [NTSB FTW85LA043](https://openairdocs.org/ntsb/FTW85LA043.md): Bell 47D1 · Terlingua, TX · Accident · No injuries · Limited investigation · Final report · Nov 4, 1984 · N93067 · Substantial damage
  > Shortly after the plt took off on a sight-seeing flt, the eng lost power when the helicopter was over rough terrain at about 200 ft AGL. During an autorotative landing, the helicopter rocked forward causing the main rotor blades to strike the tail boom.…
- [NTSB CHI82DA196](https://openairdocs.org/ntsb/CHI82DA196.md): Bell 47D1 · Le Sueur, MN · Accident · No injuries · Final report · May 29, 1982 · N4251A · Substantial damage
  > During a spraying operation, the aircraft was being refueled from a 200 gal fuel tank, mounted on the rear of a truck. The truck was parked on a slight slope with the outlet for the servicing hose at the lower end. After the helicopter was serviced with 14…

## 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.engine_model_code IN ('27033')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27033&occurrence=353

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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.