# NTSB investigations: Lycoming IO-540-AE1A5, 2007

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 CHI08CA023](https://openairdocs.org/ntsb/CHI08CA023.md): Robinson R44 Raven II · Morrison, MO · Accident · No injuries · Data collection · Final report · Oct 19, 2007 · N3246H · Destroyed
  > Loss of control on the ground due to aircraft control not being maintained by the pilot. Contributing factors were the gusting winds and the uneven ground.
- [NTSB SEA08CA002](https://openairdocs.org/ntsb/SEA08CA002.md): Robinson R44 II · Lake Powell, UT · Accident · Minor injuries · Data collection · Final report · Oct 2, 2007 · N644BS · Substantial damage
  > The pilot's inadequate preflight inspection and failure to remove a tie-down strap before departure.
- [NTSB NYC07CA236](https://openairdocs.org/ntsb/NYC07CA236.md): Robinson R44 II · Nashville, TN · Accident · No injuries · Data collection · Final report · Sep 22, 2007 · N3184T · Substantial damage
  > The pilot's failure to maintain control of the helicopter.
- [NTSB MIA07CA107](https://openairdocs.org/ntsb/MIA07CA107.md): Robinson R-44-II · Isla Grande, PR · Accident · No injuries · Data collection · Final report · Mar 16, 2007 · N72PK · Substantial damage
  > The pilot's inadvertent encounter with a loss of tail rotor effectiveness which resulted in damage to the helicopter during the subsequent hard landing.
- [NTSB MIA07LA059](https://openairdocs.org/ntsb/MIA07LA059.md): Robinson R-44-II · Miami, FL · Accident · No injuries · Limited investigation · Final report · Mar 15, 2007 · N196DM · Substantial damage
  > The pilot's failure to maintain sufficient rotor rpm during an autorotative landing, which resulted in a hard landing and separation of the tailboom.

## 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") = 2007
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41899'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41899&year=2007

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