# NTSB investigations, 2011, IL

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 OPS12IA167](https://openairdocs.org/ntsb/OPS12IA167.md): Learjet 45 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Dec 1, 2011 · N570AM · 2 aircraft · No damage
  > The tower local controller did not ensure that the runway was clear of conflict before directing the B737 to cross the runway, and other air traffic control personnel did not effectively intervene when the separation between the two airplanes became…
- [NTSB CEN12FA086](https://openairdocs.org/ntsb/CEN12FA086.md): Piper PA-31-350 · Riverwoods, IL · Accident · 3 fatal · Field investigation · Final report · Nov 29, 2011 · N59773 · Substantial damage
  > The pilot's inadequate preflight planning and in-flight decision-making, which resulted in a loss of engine power due to fuel exhaustion during approach. Contributing to the accident was the pilot's decision to operate an airplane after using illicit drugs.
- [NTSB CEN12FA083](https://openairdocs.org/ntsb/CEN12FA083.md): Cirrus Design SR20 · Crystal Lake, IL · Accident · 4 fatal · Field investigation · Final report · Nov 26, 2011 · N223CD · Substantial damage
  > The noninstrument-rated pilot's decision to continue flight in instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control of the airplane.
- [NTSB CEN12CA084](https://openairdocs.org/ntsb/CEN12CA084.md): Cessna 550 · Moline, IL · Accident · No injuries · Data collection · Final report · Nov 23, 2011 · N544PS · Substantial damage
  > The pilot's failure to maintain clearance from the parked, unoccupied airplane while taxiing. Contributing to the accident was the guidance provided by the marshaller.
- [NTSB CEN12FA073](https://openairdocs.org/ntsb/CEN12FA073.md): Skykits Savannah VGW · Plato Center, IL · Accident · 1 fatal · Field investigation · Final report · Nov 20, 2011 · N61XT · Substantial damage
  > The noncertificated pilot’s decision to fly the airplane without receiving any flight instruction in the airplane, which resulted in his failure to maintain sufficient airspeed during takeoff and the subsequent aerodynamic stall.
- [NTSB CEN12CA078](https://openairdocs.org/ntsb/CEN12CA078.md): Messerschmitt-Bolkow-Blohm BK 117 B-2 · Carbondale, IL · Accident · No injuries · Data collection · Final report · Nov 13, 2011 · N330SL · Substantial damage
  > The main rotor blade’s contact with the vertical stabilizer during the engine shutdown in strong, gusty wind conditions.
- [NTSB CEN12IA050](https://openairdocs.org/ntsb/CEN12IA050.md): Nusbaum Vaquero · Hebron, IL · Incident · No injuries · Incident investigation · Final report · Nov 1, 2011 · N30CY · No damage
  > The pilot’s operation of the airplane with known medical conditions and his subsequent heart attack during the flight.
- [NTSB CEN12CA036](https://openairdocs.org/ntsb/CEN12CA036.md): Cessna 210J · West Chicago, IL · Accident · No injuries · Data collection · Final report · Oct 23, 2011 · N3309S · Substantial damage
  > The pilot's failure to extend the landing gear before touchdown due to his failure to use a checklist.
- [NTSB CEN11IA649](https://openairdocs.org/ntsb/CEN11IA649.md): Airbus Industrie A320-211 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 17, 2011 · C-FGYL · Minor damage
  > The infiltration of moisture into the windshield heating layer that induced arcing in the heating system that subsequently cracked the windshield.
- [NTSB CEN11CA647](https://openairdocs.org/ntsb/CEN11CA647.md): Piper PA-28-181 · Pinckneyville, IL · Accident · No injuries · Data collection · Final report · Sep 14, 2011 · N9513C · Substantial damage
  > The pilot's failure to conduct a go-around due to his excessive airspeed while on approach to land, which resulted in a runway excursion.
- [NTSB CEN11LA656](https://openairdocs.org/ntsb/CEN11LA656.md): Quicksilver GT400 · Bolingbrook, IL · Accident · No injuries · Limited investigation · Final report · Sep 10, 2011 · N2590A · Substantial damage
  > The loss of engine power for reasons that could not be determined during postaccident examination of the engine or airframe.
- [NTSB CEN11LA635](https://openairdocs.org/ntsb/CEN11LA635.md): Fairchild M-62A-3 · Waukegan, IL · Accident · Minor injuries · Limited investigation · Final report · Sep 10, 2011 · N103JC · Substantial damage
  > The pilot’s inadequate preflight inspection of the airplane, which resulted in fuel exhaustion and a total loss of engine power. Contributing to the accident were a malfunctioning fuel gauge and air traffic that prevented an on airport landing.
- [NTSB CEN11LA618](https://openairdocs.org/ntsb/CEN11LA618.md): Vicari Waiex · Marion, IL · Accident · No injuries · Limited investigation · Final report · Sep 2, 2011 · N100VY · Substantial damage
  > The partial loss of engine power during initial climb for undetermined reasons.
- [NTSB ENG11IA047](https://openairdocs.org/ntsb/ENG11IA047.md): Embraer EMB145 · Moline, IL · Incident · No injuries · Incident investigation · Final report · Aug 29, 2011 · N27152 · Minor damage
  > The uncommanded left deflection of the airplane's nose wheel likely due to seal deterioration and subsequent contamination within the Electrohydraulic Servo Valve (EHSV). Contributing to the incident was the undersized condition of the filter plugs within the…
- [NTSB CEN11LA605](https://openairdocs.org/ntsb/CEN11LA605.md): WSK PZL Mielec M-18 Dromader · Freeport, IL · Accident · Serious injuries · Limited investigation · Final report · Aug 26, 2011 · N7070L · Substantial damage
  > The pilot's decision to operate the airplane with a known defect in the elevator control system that led to his inability to control the airplane during the initial climb.
- [NTSB CEN11LA595](https://openairdocs.org/ntsb/CEN11LA595.md): Cessna 140 · Monmouth, IL · Accident · No injuries · Limited investigation · Final report · Aug 25, 2011 · N72688 · Substantial damage
  > The pilot's loss of airplane control during the landing roll.
- [NTSB CEN11CA640](https://openairdocs.org/ntsb/CEN11CA640.md): Cessna T210M · Cahokia, IL · Accident · No injuries · Data collection · Final report · Aug 25, 2011 · N44HR · Substantial damage
  > A failure of a spring in the main landing gear actuation system that prevented the landing gear from extending.
- [NTSB CEN11LA596](https://openairdocs.org/ntsb/CEN11LA596.md): Suminski Walter M Jabiru SP · Columbia, IL · Accident · No injuries · Limited investigation · Final report · Aug 17, 2011 · N284E · Substantial damage
  > Separation of the right main wheel during landing rollout for undetermined reasons.
- [NTSB OPS11IA819](https://openairdocs.org/ntsb/OPS11IA819.md): Embraer EMB-135KL · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Aug 8, 2011 · N377SK · 2 aircraft · No damage
  > The improper air traffic control takeoff clearance issued by the local controller because of his lack of monitoring and lack of awareness of the conflicting arrival airplane.
- [NTSB CEN11FA537](https://openairdocs.org/ntsb/CEN11FA537.md): Morrison E-RACER · Big Rock, IL · Accident · 1 fatal · Field investigation · Final report · Jul 31, 2011 · N345JM · Destroyed
  > The pilot's failure to maintain airplane control after experiencing excessive engine cylinder head temperatures during the initial flight test of the experimental amateur-built airplane.
- [NTSB CEN11CA524](https://openairdocs.org/ntsb/CEN11CA524.md): Texas Helicopter OH-13H/M74A · Creston, IL · Accident · Minor injuries · Data collection · Final report · Jul 28, 2011 · N10009 · Substantial damage
  > The pilot's failure to maintain adequate skid clearance from the helicopter cart during landing, resulting in a dynamic rollover.
- [NTSB CEN11FA500](https://openairdocs.org/ntsb/CEN11FA500.md): Piper PA 46-350P · Rantoul, IL · Accident · 3 fatal · Field investigation · Final report · Jul 24, 2011 · N46TW · Substantial damage
  > The pilot did not maintain airplane control during takeoff with approaching thunderstorms. Contributing to the accident was the pilot's decision to depart into adverse weather conditions.
- [NTSB CEN11CA547](https://openairdocs.org/ntsb/CEN11CA547.md): Luscombe 8 · Poplar Grove, IL · Accident · Minor injuries · Data collection · Final report · Jul 23, 2011 · N2844K · Substantial damage
  > The pilot's decision to not use all available runway length and his failure to abort the takeoff.
- [NTSB CEN11LA544](https://openairdocs.org/ntsb/CEN11LA544.md): Air Tractor AT802 · Ullin, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2011 · N396LA · Substantial damage
  > The loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN11CA486](https://openairdocs.org/ntsb/CEN11CA486.md): Hamlin John D CH701 · Paxton, IL · Accident · Minor injuries · Data collection · Final report · Jul 16, 2011 · N9040W · Substantial damage
  > The pilot's decision to takeoff with a tailwind in high density altitude conditions.
- [NTSB CEN11FA425](https://openairdocs.org/ntsb/CEN11FA425.md): Cessna T210L · Romeoville, IL · Accident · 1 fatal · Field investigation · Final report · Jun 26, 2011 · N732BX · Substantial damage
  > A total loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate fuel planning.
- [NTSB CEN11LA418](https://openairdocs.org/ntsb/CEN11LA418.md): Piper PA-28R-201 · Rantoul, IL · Accident · No injuries · Limited investigation · Final report · Jun 25, 2011 · N4106Q · Substantial damage
  > The pilot did not use the emergency landing gear extension system, which resulted in a wheels-up landing. Contributing to the accident was the inoperative landing gear power pack motor.
- [NTSB CEN11LA413](https://openairdocs.org/ntsb/CEN11LA413.md): Cessna 172N · Bedford Park, IL · Accident · No injuries · Limited investigation · Final report · Jun 18, 2011 · N172NT · Substantial damage
  > A loss of engine power due to a fractured push rod precipitated by a stuck exhaust valve.
- [NTSB CEN11CA400](https://openairdocs.org/ntsb/CEN11CA400.md): Waco Classic YMF-F5C · Charleston, IL · Accident · No injuries · Data collection · Final report · Jun 18, 2011 · N113KJ · Substantial damage
  > The pilot's selection of unsuitable terrain to take off after making a precautionary landing.
- [NTSB CEN11FA383](https://openairdocs.org/ntsb/CEN11FA383.md): Boeing B-17G · Oswego, IL · Accident · Minor injuries · Field investigation · Final report · Jun 13, 2011 · N390TH · Substantial damage
  > An inadequate repair of the fuel tank that allowed the fuel leak to continue, ultimately resulting in an in-flight fire.
- [NTSB CEN11CA387](https://openairdocs.org/ntsb/CEN11CA387.md): Beech B200 · Waukegan, IL · Accident · No injuries · Data collection · Final report · Jun 10, 2011 · N23WS · Substantial damage
  > The lightning strike during an en route descent.
- [NTSB CEN11LA373](https://openairdocs.org/ntsb/CEN11LA373.md): Mooney M20R · Lake In The Hills, IL · Accident · No injuries · Limited investigation · Final report · Jun 4, 2011 · N5816P · Substantial damage
  > The pilot's improper landing flare and recovery from a bounced landing, which resulted in a loss of control. Contributing to the accident was the certified flight instructor’s inadequate supervision.
- [NTSB CEN11IA369](https://openairdocs.org/ntsb/CEN11IA369.md): Embraer EMB-145 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 3, 2011 · N607AE · No damage
  > The overheat and failure the brake during landing due to oxidation of the brake rotors, which went undetected by maintenance personnel. Contributing to the accident was maintenance personnel’s lack of familiarity with detailed brake oxidation inspection…
- [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 CEN11CA344](https://openairdocs.org/ntsb/CEN11CA344.md): Cessna 152 · Carbondale, IL · Accident · No injuries · Data collection · Final report · May 17, 2011 · N6238P · Substantial damage
  > The student pilot's relinquishing of the flight controls during the landing flare and the flight instructor's delay in taking remedial action.
- [NTSB OPS11IA552](https://openairdocs.org/ntsb/OPS11IA552.md): Embraer EMB-145LR · Chicago, IL · Incident · No injuries · Incident investigation · Final report · May 16, 2011 · N15574 · 2 aircraft · No damage
  > The air traffic controller’s failure to adhere to runway separation requirements and his issuance of an improper takeoff clearance. Contributing to the incident was the controller's failure to recall that there was an arrival inbound to a crossing runway.
- [NTSB CEN11FA337](https://openairdocs.org/ntsb/CEN11FA337.md): Bell OH-58C · New Athens, IL · Accident · 1 fatal · Field investigation · Final report · May 12, 2011 · N9263Y · Substantial damage
  > The pilot’s failure to attain sufficient altitude to clear terrain while maneuvering.
- [NTSB CEN11LA317](https://openairdocs.org/ntsb/CEN11LA317.md): Texas Helicopter OH-13E/M74 · New Columbia, IL · Accident · No injuries · Limited investigation · Final report · May 3, 2011 · N38096 · Substantial damage
  > The pilot's failure to maintain adequate clearance from the wheat crop during takeoff.
- [NTSB DCA11IA047](https://openairdocs.org/ntsb/DCA11IA047.md): Boeing 737-7Q8 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Apr 26, 2011 · N799SW · Minor damage
  > The flight crew's delayed deployment of the speedbrakes and thrust reversers, resulting in insufficient runway remaining to bring the airplane to a stop. Contributing to the delay in deployment of these stopping devices was the flight crew's inadequate…
- [NTSB CEN11FA227](https://openairdocs.org/ntsb/CEN11FA227.md): Lancair LC41-550FG · Carbondale, IL · Accident · No injuries · Field investigation · Final report · Mar 11, 2011 · N521RT · Substantial damage
  > The fatigue fracture and subsequent failure of the No. 2 cylinder exhaust valve during cruise flight, which resulted in a total loss of engine power.
- [NTSB CEN11CA208](https://openairdocs.org/ntsb/CEN11CA208.md): Beech 58 · Prospect Heights, IL · Accident · No injuries · Data collection · Final report · Feb 22, 2011 · N12LK · Substantial damage
  > The pilot's inadequate flare, which resulted in a hard landing.
- [NTSB CEN11CA199](https://openairdocs.org/ntsb/CEN11CA199.md): Cessna 310Q · Romeoville, IL · Accident · No injuries · Data collection · Final report · Feb 22, 2011 · N119RS · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the approach/landing to compensate for the ice accumulated on the airframe which resulted in a hard landing.
- [NTSB CEN11FA220](https://openairdocs.org/ntsb/CEN11FA220.md): Mooney M20J · Romeoville, IL · Accident · No injuries · Field investigation · Final report · Feb 19, 2011 · N888DF · Substantial damage
  > The collapse of the left main landing gear during the landing roll for undetermined reasons.
- [NTSB CEN11CA196](https://openairdocs.org/ntsb/CEN11CA196.md): Mooney M20K · Urbana, IL · Accident · Serious injuries · Data collection · Final report · Feb 17, 2011 · N262CP · Substantial damage
  > The pilot's failure to maintain aircraft control during the go-around.
- [NTSB CEN11CA184](https://openairdocs.org/ntsb/CEN11CA184.md): Cessna 172N · Poplar Grove, IL · Accident · No injuries · Data collection · Final report · Feb 12, 2011 · N733TM · Substantial damage
  > The student pilot's failure to maintain directional control of the airplane during the takeoff.
- [NTSB CEN11CA181](https://openairdocs.org/ntsb/CEN11CA181.md): Piper PA-28-140 · Lansing, IL · Accident · No injuries · Data collection · Final report · Feb 8, 2011 · N4643R · Substantial damage
  > The pilot’s loss of directional control during the landing.
- [NTSB CEN11LA178](https://openairdocs.org/ntsb/CEN11LA178.md): Beech A36 · Danville, IL · Accident · No injuries · Limited investigation · Final report · Feb 7, 2011 · N6XZ · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB CEN11CA176](https://openairdocs.org/ntsb/CEN11CA176.md): Piper PA-28-180 · Pekin, IL · Accident · Serious injuries · Data collection · Final report · Jan 19, 2011 · N5658W · Substantial damage
  > The student pilot's failure to maintain adequate airspeed during the landing approach, which resulted in an aerodynamic stall.
- [NTSB CEN11FA144](https://openairdocs.org/ntsb/CEN11FA144.md): Gates Learjet 35A · Springfield, IL · Accident · Minor injuries · Field investigation · Final report · Jan 6, 2011 · N800GP · Substantial damage
  > The pilot’s decision to conduct an instrument approach in icing conditions without the anti-ice system activated, contrary to the airplane flight manual guidance, which resulted in an inadvertent aerodynamic stall due to an in-flight accumulation of airframe…

## 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."eventStateOrRegion" = 'IL' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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