# NTSB investigations: Lycoming IO-540 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 CEN12FA091](https://openairdocs.org/ntsb/CEN12FA091.md): Robinson Helicopter R44 II · Hackensack, MN · Accident · 1 fatal · Field investigation · Final report · Nov 25, 2011 · N821JV · Substantial damage
  > The helicopter's sudden yaw and subsequent impact with the water for reasons that could not be determined during postaccident examination of the helicopter and its systems.
- [NTSB ERA12LA066](https://openairdocs.org/ntsb/ERA12LA066.md): Cessna 172S · Fort Lauderdale, FL · Accident · No injuries · Limited investigation · Final report · Nov 3, 2011 · N1855Y · 2 aircraft · Substantial damage
  > The Cessna 172 flight instructor and student pilot's inadequate visual lookout and failure to maintain clearance from the stationary Cessna 182.
- [NTSB ERA12CA055](https://openairdocs.org/ntsb/ERA12CA055.md): Tacchi Torello F Vans Aircraft RV10 · Folkston, GA · Accident · No injuries · Data collection · Final report · Oct 30, 2011 · N968TP · Substantial damage
  > The pilot's improper preflight planning, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB ERA12FA012](https://openairdocs.org/ntsb/ERA12FA012.md): Piper PA-32R-300 · Peru, WV · Accident · 3 fatal · Field investigation · Final report · Oct 3, 2011 · N115CL · Substantial damage
  > The non-instrument rated pilot's improper decision to continue visual flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent in-flight collision with mountainous terrain.
- [NTSB WPR11FA474](https://openairdocs.org/ntsb/WPR11FA474.md): Poe G L/Poe S Y 540 · Chualar, CA · Accident · 1 fatal · Field investigation · Final report · Sep 30, 2011 · N42GP · Substantial damage
  > The pilot’s incapacitation due either to g-induced loss of consciousness alone or in combination with a cardiac arrhythmia. Contributing to the accident was the pilot’s use of several medications.
- [NTSB ERA11FA512](https://openairdocs.org/ntsb/ERA11FA512.md): Heronimus Kevin A Glasair III · Falls of Rough, KY · Accident · 1 fatal · Field investigation · Final report · Sep 30, 2011 · N43KH · Substantial damage
  > The failure of the propeller power speed reduction unit, which resulted in a loss of engine power at low altitude.
- [NTSB WPR11CA433](https://openairdocs.org/ntsb/WPR11CA433.md): Sherman Craig W Glasair III · Kanab, UT · Accident · No injuries · Data collection · Final report · Sep 3, 2011 · N17S · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll, as a result of a flat left main landing gear tire.
- [NTSB CEN11LA558](https://openairdocs.org/ntsb/CEN11LA558.md): Piper Aerostar 601P · Alpine, TX · Accident · No injuries · Limited investigation · Final report · Aug 22, 2011 · N8076J · Substantial damage
  > The pilot’s improper flare which resulted in a hard landing. Contributing to the accident was the pilot’s improper decision to fly the airplane with a known mechanical deficiency.
- [NTSB WPR11FA395](https://openairdocs.org/ntsb/WPR11FA395.md): Maule M-7-235C · Brookings, OR · Accident · 1 fatal · Field investigation · Final report · Aug 21, 2011 · N199BF · Substantial damage
  > The pilot’s improper decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in a collision with trees while on approach for landing.
- [NTSB ANC11CA075](https://openairdocs.org/ntsb/ANC11CA075.md): Piper PA-32-301 · Kodiak, AK · Accident · No injuries · Data collection · Final report · Aug 12, 2011 · N8152Z · Substantial damage
  > A partial loss of engine power while on approach to land due to a disconnected throttle control linkage, and the maintenance director's inadequate inspection of the throttle linkage during maintenance.
- [NTSB ERA11CA445](https://openairdocs.org/ntsb/ERA11CA445.md): Piper PA-32RT-300 · Charleston, SC · Accident · No injuries · Data collection · Final report · Aug 9, 2011 · N30731 · Substantial damage
  > The pilot's decision to continue the approach and landing at a high airspeed, which resulted in an improper touchdown point and subsequent runway excursion.
- [NTSB ERA11FA412](https://openairdocs.org/ntsb/ERA11FA412.md): Cessna 182S · Erwin, NC · Accident · 2 fatal · Field investigation · Final report · Jul 21, 2011 · N23739 · Substantial damage
  > The pilot’s loss of control due to spatial disorientation while maneuvering in dark night conditions.
- [NTSB CEN11CA492](https://openairdocs.org/ntsb/CEN11CA492.md): Cessna 182S · Meeker, CO · Accident · No injuries · Data collection · Final report · Jul 19, 2011 · N314FR · Substantial damage
  > The pilot's inadvertent flight into a downdraft, which resulted in an in-flight collision with trees.
- [NTSB ERA11LA386](https://openairdocs.org/ntsb/ERA11LA386.md): Piper PA-32R-301 · Louisville, KY · Accident · No injuries · Limited investigation · Final report · Jul 2, 2011 · N8319N · Substantial damage
  > The pilot's improper flare and inadequate recovery from a bounced landing, which resulted in a landing gear collapse.
- [NTSB CEN11LA399](https://openairdocs.org/ntsb/CEN11LA399.md): Piper PA-36-300 · Highmore, SD · Accident · 1 fatal · Limited investigation · Final report · Jun 17, 2011 · N57885 · Substantial damage
  > The pilot did not maintain control of the airplane while maneuvering at low altitude.
- [NTSB CEN11CA325](https://openairdocs.org/ntsb/CEN11CA325.md): Robinson Helicopter R44 II · Golden, CO · Accident · No injuries · Data collection · Final report · May 8, 2011 · N921JM · Substantial damage
  > The pilot’s decision to operate the helicopter at a high density altitude near terrain, which resulted in a settling with power condition.
- [NTSB CEN11LA320](https://openairdocs.org/ntsb/CEN11LA320.md): Commander 114-B · Sandusky, OH · Accident · No injuries · Limited investigation · Final report · May 4, 2011 · N114JG · Substantial damage
  > The pilot's inadequate directional control while landing in a variable crosswind.
- [NTSB ERA11FA272](https://openairdocs.org/ntsb/ERA11FA272.md): Robinson Helicopter R44 II · Indiana, PA · Accident · 1 fatal · Field investigation · Final report · May 1, 2011 · N445AB · Substantial damage
  > The pilot's operation of the helicopter at a low-forward airspeed out of ground effect, which resulted in the helicopter’s loss of translational lift and tail rotor authority and the pilot’s subsequent loss of helicopter control.
- [NTSB ANC11LA027](https://openairdocs.org/ntsb/ANC11LA027.md): Piper PA-32-301 · Cold Bay, AK · Accident · No injuries · Limited investigation · Final report · Apr 15, 2011 · N81052 · Substantial damage
  > An in-flight encounter with unforecast turbulence, which resulted in structural damage to the stabilator.
- [NTSB CEN11LA275](https://openairdocs.org/ntsb/CEN11LA275.md): Piper PA-32-300 · Oklahoma City, OK · Accident · No injuries · Limited investigation · Final report · Apr 7, 2011 · N31407 · Substantial damage
  > The loss of aircraft control due to the failure of the stabilator control cable turnbuckle.
- [NTSB WPR11LA179](https://openairdocs.org/ntsb/WPR11LA179.md): Eagle DW1 · Newman, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 1, 2011 · N8812A · Substantial damage
  > The pilot’s inadequate visual lookout and failure to maintain clearance from a vehicle during a low-altitude operation.
- [NTSB CEN11CA197](https://openairdocs.org/ntsb/CEN11CA197.md): Piper PA-32R-301 · Holdenville, OK · Accident · No injuries · Data collection · Final report · Feb 20, 2011 · N8310L · Substantial damage
  > The pilot’s decision to land with a tailwind and his delay in executing a go around.

## 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 ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&year=2011

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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.