# NTSB investigations: Robinson Helicopter R44 II, 2008

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 CEN09WA074](https://openairdocs.org/ntsb/CEN09WA074.md): Robinson Helicopter R44 II · Saint-Marc, Haiti · Accident · 1 fatal · Foreign investigation · Nov 18, 2008 · N72BS · Substantial damage
- [NTSB CHI08FA293](https://openairdocs.org/ntsb/CHI08FA293.md): Robinson R44 II · Kenosha, WI · Accident · 2 fatal · Field investigation · Final report · Sep 21, 2008 · N999ZD · Destroyed
  > The pilots failure to maintain clearance from terrain resulting in an in-flight collision with a house. Contributing to the accident was the night instrument meteorological conditions (IMC) and the pilot's lack of experience of flying in IMC.
- [NTSB NYC08CA305](https://openairdocs.org/ntsb/NYC08CA305.md): Robinson R44 II · Marathon, FL · Accident · No injuries · Data collection · Final report · Sep 6, 2008 · N144SA · Substantial damage
  > The pilot's failure to control the helicopter while maneuvering, resulting in loss of tail rotor effectiveness.
- [NTSB DFW08FA218](https://openairdocs.org/ntsb/DFW08FA218.md): Robinson R44 II · Ridgedale, MO · Accident · 2 fatal · Field investigation · Final report · Aug 29, 2008 · N41411 · Destroyed
  > An in-flight loss of control for undetermined reasons.
- [NTSB DFW08CA177](https://openairdocs.org/ntsb/DFW08CA177.md): Robinson R44 II · Canyon Lake, TX · Accident · Minor injuries · Data collection · Final report · Jul 5, 2008 · N804DF · Substantial damage
  > A total loss of tail rotor effectiveness. Contributing to the accident was the pilot's improper decision to operate inside the height velocity curve.
- [NTSB CHI08CA177](https://openairdocs.org/ntsb/CHI08CA177.md): Robinson R44 II · Ottawa, IL · Accident · No injuries · Data collection · Final report · Jul 4, 2008 · N31138 · Substantial damage
  > The pilot's failure to maintain clearance from the power transmission lines. Contributing to the accident was the unmarked power transmission lines.
- [NTSB LAX08LA183](https://openairdocs.org/ntsb/LAX08LA183.md): Robinson R44 II · Topanga, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 15, 2008 · N168AG · Substantial damage
  > The in-flight separation of the tail rotor gear box for an undetermined reason. Contributing to the accident was the hilly terrain, which was unsuitable for a forced landing.
- [NTSB LAX08CA182](https://openairdocs.org/ntsb/LAX08CA182.md): Robinson R44 II · Missoula, MT · Accident · Minor injuries · Data collection · Final report · Jun 14, 2008 · N272SW · Destroyed
  > The student's inadvertent control interference, which the flight instructor was unable to overcome. A contributing factor was the instructor's poor crew coordination in his failure to verbally command the student to relinquish the controls and his inadequate…
- [NTSB NYC08TA183](https://openairdocs.org/ntsb/NYC08TA183.md): Robinson R44 II · Lake Wales, FL · Accident · Minor injuries · Final report · May 15, 2008 · N911GJ · Substantial damage
  > The pilot's improper recovery from a practice autorotation.
- [NTSB DFW08LA122](https://openairdocs.org/ntsb/DFW08LA122.md): Robinson R44 · Bartlett, TX · Accident · 1 fatal · Limited investigation · Final report · Apr 28, 2008 · N477SH · Substantial damage
  > The pilot's failure to maintain tail rotor clearance from terrain (embankment) during takeoff.
- [NTSB DFW08TA092](https://openairdocs.org/ntsb/DFW08TA092.md): Robinson R44 · Topeka, KS · Accident · No injuries · Final report · Apr 5, 2008 · N402PD · Substantial damage
  > A malfunctioning magneto, resulting in a high engine rpm and low rotor warning indications. A contributing factor was the impact with a light pole, during the precautionary landing.
- [NTSB NYC08CA140](https://openairdocs.org/ntsb/NYC08CA140.md): Robinson R44 · Montgomery, NY · Accident · No injuries · Data collection · Final report · Mar 17, 2008 · N3027Y · Substantial damage
  > The pilot's loss of control during takeoff.
- [NTSB LAX08CA057](https://openairdocs.org/ntsb/LAX08CA057.md): Robinson R44 II · Bullhead City, AZ · Accident · No injuries · Data collection · Final report · Feb 3, 2008 · N44NV · Substantial damage
  > The pilot's misjudged landing flare, inadequate bounced landing recovery, and failure to maintain directional control during a bounced landing that resulted in the tail rotor blades colliding with a hangar. Contributing to the accident was the burned out…
- [NTSB NYC08CA083](https://openairdocs.org/ntsb/NYC08CA083.md): Robinson R44 II · Fenner, NY · Accident · Minor injuries · Data collection · Final report · Jan 15, 2008 · N122AA · Substantial damage
  > The pilot's delayed decision to perform a precautionary landing. Contributing to the accident was the reduced visibility in snow and the soft terrain.

## 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") = 2008
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('7640122', '7640123'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7640122&year=2008

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