# NTSB investigations: Lycoming 0-540 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 ERA12FA130](https://openairdocs.org/ntsb/ERA12FA130.md): Piper PA-25-235 · Jacksonville, FL · Accident · 1 fatal · Field investigation · Final report · Dec 31, 2011 · N7408Z · Substantial damage
  > The pilot's in-flight loss of control during climb after a banner pickup. Contributing to the accident was the pilot's impairment due to marijuana.
- [NTSB CEN12LA118](https://openairdocs.org/ntsb/CEN12LA118.md): Piper PA-32-260 · Elk Rapids, MI · Accident · Minor injuries · Limited investigation · Final report · Dec 31, 2011 · N997TB · Substantial damage
  > The loss of engine power due to the failure of the exhaust valve.
- [NTSB CEN12FA108](https://openairdocs.org/ntsb/CEN12FA108.md): Piper PA-32-260 · Bryan, TX · Accident · 5 fatal · Field investigation · Final report · Dec 20, 2011 · N3590T · Substantial damage
  > The pilot’s inadvertent encounter with severe weather, which resulted in the airplane’s left wing failing in positive overload. Contributing to the accident was the pilot’s reliance on outdated weather information that he received on his in-cockpit…
- [NTSB CEN12FA101](https://openairdocs.org/ntsb/CEN12FA101.md): Piper PA-28-235D · Chickasha, OK · Accident · 2 fatal · Field investigation · Final report · Dec 10, 2011 · N999RR · Substantial damage
  > The non-instrument-rated pilot's decision to continue flight into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control of the airplane. Contributing to the accident was the pilot’s lack of instrument…
- [NTSB CEN12FA097](https://openairdocs.org/ntsb/CEN12FA097.md): Piper PA-32-260 · St. Ignace, MI · Accident · 2 fatal · Field investigation · Final report · Dec 4, 2011 · N33315 · Substantial damage
  > The pilot’s decision to initiate visual flight in instrument meteorological conditions and subsequent failure to maintain adequate altitude.
- [NTSB CEN12CA032](https://openairdocs.org/ntsb/CEN12CA032.md): Piper PA-28-235 · Radnor, OH · Accident · No injuries · Data collection · Final report · Oct 15, 2011 · N8746W · Substantial damage
  > The pilot's failure to properly secure the engine controls prior to manually rotating the propeller, which led to an inadvertent engine start and runaway airplane.
- [NTSB CEN12LA023](https://openairdocs.org/ntsb/CEN12LA023.md): Piper PA-28-235 · Wadsworth, OH · Accident · No injuries · Limited investigation · Final report · Oct 8, 2011 · N9444W · Substantial damage
  > The failure of the brake system during the landing roll, which was caused by a loss of hydraulic fluid as a result of a leak in the piston seal due to brake plates worn beyond their service limits.
- [NTSB ERA11CA505](https://openairdocs.org/ntsb/ERA11CA505.md): Robinson Helicopter R44 · Clearwater, FL · Accident · Minor injuries · Data collection · Final report · Sep 27, 2011 · N982DH · Substantial damage
  > The certified flight instructor's delayed remedial action, which resulted in a loss of control and subsequent rollover.
- [NTSB CEN11FA666](https://openairdocs.org/ntsb/CEN11FA666.md): Robinson Helicopter R44 · Curren, MI · Accident · 2 fatal · Field investigation · Final report · Sep 24, 2011 · N8324F · Substantial damage
  > The non-instrument-rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in controlled flight into trees and the ground. Contributing to the accident was the pilot's impairment from multiple drugs.
- [NTSB ERA11LA491](https://openairdocs.org/ntsb/ERA11LA491.md): Cessna TR182 · Stevensville, MD · Accident · No injuries · Limited investigation · Final report · Sep 5, 2011 · N950RC · Substantial damage
  > The pilot did not maintain directional control during the landing roll.
- [NTSB CEN11LA581](https://openairdocs.org/ntsb/CEN11LA581.md): Piper PA-25-235 · Whitewood, SD · Accident · 1 fatal · Limited investigation · Final report · Aug 20, 2011 · N7051Z · Substantial damage
  > The pilot's collision with terrain for undetermined reasons.
- [NTSB ERA11CA452](https://openairdocs.org/ntsb/ERA11CA452.md): Piper PA-28-236 · Front Royal, VA · Accident · Minor injuries · Data collection · Final report · Aug 14, 2011 · N4341M · Substantial damage
  > The pilot’s failure to attain the proper touchdown point.
- [NTSB CEN11CA576](https://openairdocs.org/ntsb/CEN11CA576.md): Piper PA-28-235 · Stanberry, MO · Accident · No injuries · Data collection · Final report · Aug 14, 2011 · N42860 · Substantial damage
  > The pilot’s failure to maintain directional control during takeoff.
- [NTSB CEN11CA561](https://openairdocs.org/ntsb/CEN11CA561.md): Cessna TR182 · Bloomington, IN · Accident · No injuries · Data collection · Final report · Aug 9, 2011 · N9281R · Substantial damage
  > The pilot's failure to extend the landing gear prior to landing.
- [NTSB WPR11LA374](https://openairdocs.org/ntsb/WPR11LA374.md): SIAI Marchetti F.260 · Coalinga, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 7, 2011 · N408FD · Substantial damage
  > A partial loss of engine power immediately after takeoff for undetermined reasons.
- [NTSB WPR11FA367](https://openairdocs.org/ntsb/WPR11FA367.md): Piper PA-24-250 · Camas, WA · Accident · 1 fatal · Field investigation · Final report · Aug 3, 2011 · N6297P · Substantial damage
  > The pilot's failure to maintain control of the airplane while maneuvering in the traffic pattern.
- [NTSB ERA11CA425](https://openairdocs.org/ntsb/ERA11CA425.md): Piper PA-24-250 · Sidney, NY · Accident · Serious injuries · Data collection · Final report · Jul 27, 2011 · N7365P · Substantial damage
  > The pilot's inadequate fuel planning and management, which resulted in fuel starvation and a total loss of engine power during final approach.
- [NTSB CEN11CA501](https://openairdocs.org/ntsb/CEN11CA501.md): Piper PA-32-260 · Bolivar, MO · Accident · No injuries · Data collection · Final report · Jul 22, 2011 · N3815W · Substantial damage
  > The collision with a deer during landing at an airport with known wildlife activity.
- [NTSB WPR11LA340](https://openairdocs.org/ntsb/WPR11LA340.md): Piper PA-24-250 · Lopez, WA · Accident · No injuries · Limited investigation · Final report · Jul 17, 2011 · N5532P · Substantial damage
  > A partial loss of engine power due to a cracked engine case near the rear cylinder.
- [NTSB CEN11CA477](https://openairdocs.org/ntsb/CEN11CA477.md): Piper PA-25-235 · Minot, ND · Accident · No injuries · Data collection · Final report · Jul 14, 2011 · N7709Z · Substantial damage
  > The pilot's inadequate inspection of the takeoff area which resulted in a collision with terrain and the subsequent loss of control during takeoff.
- [NTSB WPR11LA311](https://openairdocs.org/ntsb/WPR11LA311.md): Cessna R182 · Hesperia, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2011 · N7392X · Substantial damage
  > The separation of the end baffle cone inside the muffler, which blocked airflow through the engine after takeoff and resulted in a loss of engine power and an off-airport landing into obstacles.
- [NTSB ERA11LA380](https://openairdocs.org/ntsb/ERA11LA380.md): Robinson Helicopter R44 · Lakewood, NJ · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N64JM · Substantial damage
  > The pilot’s inadequate yaw control of the helicopter while hovering.
- [NTSB CEN11FA428](https://openairdocs.org/ntsb/CEN11FA428.md): Cessna R182 · Thornton, CO · Accident · 1 fatal · Field investigation · Final report · Jun 29, 2011 · N2344C · Substantial damage
  > The pilot's inadvertent encounter with a microburst while operating at a low altitude, which resulted in a loss of control from which the pilot could not recover. Contributing to the accident was the pilot’s inadequate preflight planning for the forecasted…
- [NTSB CEN11LA405](https://openairdocs.org/ntsb/CEN11LA405.md): Piper PA-25-235 · Faith, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 2011 · N7018Z · Substantial damage
  > The pilot's improper turn while maneuvering during an agricultural application flight, which resulted in an inadvertent aerodynamic stall at low altitude.
- [NTSB ERA11FA334](https://openairdocs.org/ntsb/ERA11FA334.md): Piper PA-24-250 · Westbrook, CT · Accident · 1 fatal · Field investigation · Final report · Jun 10, 2011 · N8233P · Substantial damage
  > A total loss of engine power during approach due to inadequate torque on the No. 3 cylinder hold-down nuts.
- [NTSB CEN11CA378](https://openairdocs.org/ntsb/CEN11CA378.md): Piper PA-32-260 · Wagoner, OK · Accident · No injuries · Data collection · Final report · Jun 6, 2011 · N3534W · Substantial damage
  > The airplane's collision with a deer during the landing flare and touchdown.
- [NTSB WPR11FA248](https://openairdocs.org/ntsb/WPR11FA248.md): Piper PA-24-250 · Astoria, OR · Accident · 1 fatal · Field investigation · Final report · Jun 5, 2011 · N511FS · Substantial damage
  > The student pilot’s failure to maintain adequate airspeed while maneuvering for landing, which resulted in a stall/spin. Contributing to the accident were the pilot's distraction and anxiety from a reported failure of the airplane's electrical system.
- [NTSB WPR11CA237](https://openairdocs.org/ntsb/WPR11CA237.md): Piper PA-24-250 · Sedona, AZ · Accident · No injuries · Data collection · Final report · May 26, 2011 · N7792P · Substantial damage
  > The pilot's failure to maintain directional control on the landing roll out. Contributing to the accident was the pilot's decision to attempt a landing in crosswind conditions that exceeded the maximum demonstrated capability of the airplane.
- [NTSB WPR11CA224](https://openairdocs.org/ntsb/WPR11CA224.md): Maule M7 · Mammoth, AZ · Accident · No injuries · Data collection · Final report · May 16, 2011 · N1048T · Substantial damage
  > The pilot's failure to maintain clearance from a tree during the landing roll.
- [NTSB ERA11CA294](https://openairdocs.org/ntsb/ERA11CA294.md): Piper PA-23-250 · Clayton, NY · Accident · Minor injuries · Data collection · Final report · May 11, 2011 · N4760P · Substantial damage
  > The pilot's failure to obtain a proper touchdown point while landing with a gusting tailwind.
- [NTSB ERA11FA291](https://openairdocs.org/ntsb/ERA11FA291.md): Piper PA-28-180 · New Hampton, NY · Accident · 2 fatal · Field investigation · Final report · May 9, 2011 · N5275L · 2 aircraft · Substantial damage
  > The PA24 pilot’s failure to maintain adequate clearance from the PA28, resulting in an in-flight collision. Contributing to the accident was the PA24 pilot's decision to overtake the PA28.
- [NTSB ERA11CA194](https://openairdocs.org/ntsb/ERA11CA194.md): Robinson R44 · Petersburg, WV · Accident · No injuries · Data collection · Final report · Mar 17, 2011 · N555FP · Substantial damage
  > The pilot's failure to maintain control during the takeoff.
- [NTSB WPR11CA121](https://openairdocs.org/ntsb/WPR11CA121.md): Robinson R44 · Ogden, UT · Accident · No injuries · Data collection · Final report · Feb 4, 2011 · N441TB · Substantial damage
  > The certified flight instructor’s failure to maintain adequate main rotor blade rpm during a practice autorotation, resulting in a hard landing and rollover.
- [NTSB CEN11LA161](https://openairdocs.org/ntsb/CEN11LA161.md): Piper PA-28-235 · Matador, TX · Accident · Minor injuries · Limited investigation · Final report · Jan 26, 2011 · N9478W · Substantial damage
  > The loss of engine power during initial climb for undetermined reasons.
- [NTSB WPR11LA102](https://openairdocs.org/ntsb/WPR11LA102.md): Piper PA-28-235 · San Luis Obispo, CA · Accident · No injuries · Limited investigation · Final report · Jan 20, 2011 · N8608W · Substantial damage
  > The loss of engine power due to the fatigue fracture of one attachment bolt for the left idler gear shaft, which resulted from an insufficient preload on both attachment bolts.
- [NTSB WPR11CA141](https://openairdocs.org/ntsb/WPR11CA141.md): Piper PA-24-250 · Aurora, OR · Accident · No injuries · Data collection · Final report · Jan 18, 2011 · N3TP · Substantial damage
  > The pilot's failure to lower the landing gear prior to landing.
- [NTSB ERA11CA109](https://openairdocs.org/ntsb/ERA11CA109.md): Piper PA-28-235 · Lancaster, SC · Accident · No injuries · Data collection · Final report · Jan 6, 2011 · N929TC · Substantial damage
  > The pilot's failure to maintain directional control during an attempted go-around maneuver after landing.

## 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 ('41532'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41532&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.