# NTSB investigations: Lycoming O-360 series, 2011

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 WPR12CA041](https://openairdocs.org/ntsb/WPR12CA041.md): American Champion 8GCBC · Ashton, ID · Accident · No injuries · Data collection · Final report · Nov 20, 2011 · N131PM · Substantial damage
  > The student pilot’s poor decision-making when he decided to land on a snowy grass airstrip, which resulted in an encounter with deep snow during the landing roll and a subsequent nose-over.
- [NTSB WPR11LA471](https://openairdocs.org/ntsb/WPR11LA471.md): Piper PA-44-180 · Phoenix, AZ · Accident · No injuries · Limited investigation · Final report · Sep 4, 2011 · N316PA · Substantial damage
  > The pilot's improper flare and hard landing, which resulted in the failure of the nose landing gear drag link in overstress.
- [NTSB WPR11LA436](https://openairdocs.org/ntsb/WPR11LA436.md): Tubbs S/Performance PA-18 225DD · Mile Hi Landing Strip, ID · Accident · No injuries · Limited investigation · Final report · Aug 25, 2011 · N727WW · Substantial damage
  > The collapse of the left landing gear during landing for undetermined reasons.
- [NTSB ERA11CA448](https://openairdocs.org/ntsb/ERA11CA448.md): Robinson R22 · Titusville, FL · Accident · No injuries · Data collection · Final report · Aug 11, 2011 · N62JF · Substantial damage
  > The private pilot's incorrect manipulation of the engine mixture control which resulted in an inadvertent engine shutdown.
- [NTSB CEN11CA550](https://openairdocs.org/ntsb/CEN11CA550.md): Attaway Robert H RV6A · Colorado Springs, CO · Accident · Serious injuries · Data collection · Final report · Aug 5, 2011 · N675RE · Substantial damage
  > The pilot's failure to maintain control while landing.
- [NTSB ERA11LA409](https://openairdocs.org/ntsb/ERA11LA409.md): Robinson Helicopter R22 Beta · Dayton, NJ · Accident · Serious injuries · Limited investigation · Final report · Jul 20, 2011 · N83509 · Substantial damage
  > The pilot's inadequate compensation for wind during an out-of-ground-effect hover, which resulted in a loss of control due to settling with power and loss of tail rotor effectiveness.
- [NTSB WPR11CA264](https://openairdocs.org/ntsb/WPR11CA264.md): Robinson Helicopter R22 Beta · Prescott, AZ · Accident · No injuries · Data collection · Final report · Jun 18, 2011 · N334DC · Substantial damage
  > The pilot's inadequate compensation for the wind conditions and failure to maintain directional control of the helicopter during taxi, resulting in a loss of tail rotor effectiveness and a subsequent hard landing.
- [NTSB CEN11CA351](https://openairdocs.org/ntsb/CEN11CA351.md): Robinson Helicopter R22 Beta · Lansing, IL · Accident · No injuries · Data collection · Final report · May 20, 2011 · N7197Z · Substantial damage
  > The student pilot’s failure to maintain control of the helicopter while hovering.
- [NTSB CEN11LA318](https://openairdocs.org/ntsb/CEN11LA318.md): Robinson Helicopter R22 Beta · Yancey, TX · Accident · No injuries · Limited investigation · Final report · May 3, 2011 · N927SH · Substantial damage
  > The loss of engine power due to the unintentional closure of the fuel shutoff valve.
- [NTSB ERA11CA235](https://openairdocs.org/ntsb/ERA11CA235.md): Robinson R22 · Marlboro, MA · Accident · No injuries · Data collection · Final report · Apr 10, 2011 · N791SH · Substantial damage
  > The student pilot's failure to maintain directional control during takeoff.
- [NTSB ERA11LA204](https://openairdocs.org/ntsb/ERA11LA204.md): Robinson R22 · Goshen, NY · Accident · No injuries · Limited investigation · Final report · Mar 22, 2011 · N259TW · Substantial damage
  > The pilot’s failure to adhere to published preflight checklist limitations and procedures, resulting in excessive slack and subsequent failure of the power transmission belts and a total loss of rotor system drive.
- [NTSB WPR11CA085](https://openairdocs.org/ntsb/WPR11CA085.md): Piper PA-28-181 · Wickenburg, AZ · Accident · No injuries · Data collection · Final report · Jan 4, 2011 · N443PA · Substantial damage
  > The student pilot's failure to maintain clearance between the airplane's right wing and the pole.

## 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") = 2011
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41575'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41575&year=2011

---
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.
