# NTSB investigations: Robinson Helicopter R44, 2005

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 NYC06LA035](https://openairdocs.org/ntsb/NYC06LA035.md): Robinson R44 · Linden, NJ · Accident · No injuries · Limited investigation · Final report · Dec 18, 2005 · N44EK · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB NYC06CA020](https://openairdocs.org/ntsb/NYC06CA020.md): Robinson R44 · Bourne, MA · Accident · Minor injuries · Data collection · Final report · Nov 1, 2005 · N319CD · Substantial damage
  > The inadvertent contact of a lift strap with the tail rotor during external load operations, which resulted in a forced landing and subsequent collision with terrain. A factor in this accident was the gusty wind conditions.
- [NTSB CHI05FA274](https://openairdocs.org/ntsb/CHI05FA274.md): Robinson R44 · Drummond, WI · Accident · 3 fatal · Field investigation · Final report · Sep 24, 2005 · N9158U · Substantial damage
  > Clearance not obtained/maintained by the pilot during an unknown phase of flight. Contributing factors were the improper use of procedures by the pilot, the inadequate surveillance of the operation by company/management, and the wire.
- [NTSB DFW05CA220](https://openairdocs.org/ntsb/DFW05CA220.md): Robinson R-44 · Odessa, TX · Accident · No injuries · Data collection · Final report · Aug 23, 2005 · N160TX · Substantial damage
  > The pilot's failure to maintain main rotor RPM and the improper landing flare which resulted in a hard landing.
- [NTSB CHI05LA235](https://openairdocs.org/ntsb/CHI05LA235.md): Robinson R44 · Greenwood, IN · Accident · Minor injuries · Limited investigation · Final report · Aug 13, 2005 · N534SE · Substantial damage
  > The inadequate remedial action during landing by the pilot.
- [NTSB MIA05CA133](https://openairdocs.org/ntsb/MIA05CA133.md): Robinson R44 · St. Cloud, FL · Accident · Minor injuries · Data collection · Final report · Jul 7, 2005 · N90SG · Substantial damage
  > The failure of the pilot to maintain clearance with a palm tree resulting in the in-flight collision with it, and subsequent uncontrolled descent and in-flight collision with the ground.
- [NTSB DFW05CA169](https://openairdocs.org/ntsb/DFW05CA169.md): Robinson R44 · Rayville, LA · Accident · No injuries · Data collection · Final report · Jun 19, 2005 · N744MD · Substantial damage
  > The pilot's loss of control following an encounter with loss of tail rotor effectiveness. A contributing factor was the high density altitude.
- [NTSB LAX05FA189](https://openairdocs.org/ntsb/LAX05FA189.md): Robinson R44 · Lucerne Valley, CA · Accident · Serious injuries · Field investigation · Final report · May 28, 2005 · N7015Q · Destroyed
  > the pilot's failure to maintain adequate main rotor rpm and directional control while maneuvering at low altitude. Contributing factors in the accident were the helicopter's gross weight in excess of the maximum hover out of ground effect limit, a high…
- [NTSB LAX05LA164](https://openairdocs.org/ntsb/LAX05LA164.md): Robinson R44 · Gustine, CA · Accident · No injuries · Limited investigation · Final report · May 11, 2005 · N144SM · Substantial damage
  > the improper installation of the nut/bolt assembly connecting the left cyclic push-pull tube to the non-rotating swashplate by maintenance personnel, which led to a loss of roll control during takeoff.
- [NTSB MIA05LA080](https://openairdocs.org/ntsb/MIA05LA080.md): Robinson R44 · Homestead, FL · Accident · No injuries · Limited investigation · Final report · Mar 19, 2005 · N1ZP · Substantial damage
  > The CFI's inadequate supervision of the student during the instructional flight for his failure to stop an excessive rate of descent which resulted in a hard landing following a reported loss of engine power for undetermined reasons.
- [NTSB LAX05CA095](https://openairdocs.org/ntsb/LAX05CA095.md): Robinson R44 · Lake Arrowhead, CA · Accident · Minor injuries · Data collection · Final report · Feb 14, 2005 · N44NG · Substantial damage
  > the certified flight instructor's failure to adequately compensate for wind conditions and his selection of terrain unsuitable for a safe takeoff which resulted in a dynamic rollover.
- [NTSB CHI05CA066](https://openairdocs.org/ntsb/CHI05CA066.md): Robinson R44 · Minneapolis, MN · Accident · No injuries · Data collection · Final report · Feb 5, 2005 · N7091C · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and his failure to maintain control of the helicopter while maneuvering to center the helicopter on a cart. A factor associated with the accident was the wind gusts.

## 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 year(c."eventDate") = 2005
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640120'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640120&year=2005

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