# NTSB investigations: Amateur-built UNKNOWN ENG, 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 CEN25LA078](https://openairdocs.org/ntsb/CEN25LA078.md): Zenith Stol CH750 · Byron, IL · Accident · No injuries · Class 4 · Limited · Final report · Jan 15, 2025 · N749WJ · Substantial damage
  > The pilot inadvertently moved the ignition key to the off position and broke the key, which resulted in a loss of engine power and subsequent forced landing.
- [NTSB CEN21LA402](https://openairdocs.org/ntsb/CEN21LA402.md): Murphy Renegade II · Sheridan, IL · Accident · No injuries · Class 3 · Limited · Final report · Sep 5, 2021 · N490DJ · Substantial damage
  > A total loss of engine power during initial climb due to a piston seizure.
- [NTSB GAA19CA298](https://openairdocs.org/ntsb/GAA19CA298.md): Piper PA18 · Sparta, IL · Accident · No injuries · Data collection · Final report · May 31, 2019 · N530AK · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground-loop.
- [NTSB CEN19LA152](https://openairdocs.org/ntsb/CEN19LA152.md): Rand Robinson KR2 · Poplar Grove, IL · Accident · Minor injuries · Class 3 · Limited · Final report · May 26, 2019 · N886MJ · Substantial damage
  > The loss of engine power due to vapor lock of the throttle body injection system.
- [NTSB CEN15LA402](https://openairdocs.org/ntsb/CEN15LA402.md): Viking Dragonfly · Freeport, IL · Accident · Serious injuries · Limited investigation · Final report · Sep 8, 2015 · N24TL · Substantial damage
  > The airplane’s degraded climb performance due to its being over its maximum gross weight and a hole in the engine exhaust.
- [NTSB CEN15LA028](https://openairdocs.org/ntsb/CEN15LA028.md): Huebbe Sonex HB · Plainview, IL · Accident · 1 fatal · Limited investigation · Final report · Oct 26, 2014 · N244HB · Substantial damage
  > The loss of engine power during cruise flight due to a fatigue fracture of the crankshaft, which resulted in a forced landing on unsuitable terrain.
- [NTSB CEN13FA509](https://openairdocs.org/ntsb/CEN13FA509.md): Cessna 421C · Paris, IL · Accident · 1 fatal · Field investigation · Final report · Aug 27, 2013 · N229H · Destroyed
  > The pilot's failure to abort the takeoff during the ground roll after detecting the airplane's degraded performance. Contributing to the accident was the pilot's decision to attempt a flight with a known problem with the left engine and the likely partial…
- [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 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 CEN11LA090](https://openairdocs.org/ntsb/CEN11LA090.md): Southerland Freebird Litesport U · Decatur, IL · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 2010 · N415US · Substantial damage
  > The pilot's reported inability to control his amateur-built airplane for undetermined reasons after the airplane inadvertently became airborne while conducting a high-speed taxi.
- [NTSB CEN10CA537](https://openairdocs.org/ntsb/CEN10CA537.md): Lewis Brandon Scott Exterminator · Rockford, IL · Accident · Minor injuries · Data collection · Final report · Sep 12, 2010 · N815SL · Substantial damage
  > The pilot's failure to maintain control of the gyrocopter while practicing takeoffs and landings.
- [NTSB CHI08LA169](https://openairdocs.org/ntsb/CHI08LA169.md): Morrison E-Racer · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Jun 21, 2008 · N345JM · Destroyed
  > An undetermined failure in the high-pressure fuel system, and the subsequent loss of engine power and in-flight fire. Contributing to the accident were the pilot's restricted visibility due to the smoke in the cockpit, failure of the aileron control during…
- [NTSB CHI07FA286](https://openairdocs.org/ntsb/CHI07FA286.md): Yakovlev Yak 52 · Lake-in-Hills, IL · Accident · 2 fatal · Field investigation · Final report · Sep 3, 2007 · N212YA · Substantial damage
  > The airplane descended and impacted terrain during initial climb for undetermined reasons. Contributing to the accident was the soft, uphill terrain.
- [NTSB CHI07CA214](https://openairdocs.org/ntsb/CHI07CA214.md): Grumman G-164B · Sheldon, IL · Accident · Minor injuries · Data collection · Final report · Jul 15, 2007 · N8449K · Substantial damage
  > The pilot's inability to maintain a proper rate of climb during takeoff. Factors associated with the accident were the pilot's failure to dump the chemical load and the ditch which the airplane contacted.
- [NTSB CHI07CA165](https://openairdocs.org/ntsb/CHI07CA165.md): WSK PZL Mielec PZL-M-18 · Manito, IL · Accident · Minor injuries · Data collection · Final report · Jun 11, 2007 · N26756 · Substantial damage
  > The pilot's failure to maintain proper airspeed and his decision to attempt flight over maximum gross weight. A factor to the accident was the stall encountered while attempting to avoid obstacles.
- [NTSB CHI07LA106](https://openairdocs.org/ntsb/CHI07LA106.md): Browns Vans RV-7A · Gardner, IL · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 2007 · N799WB · Substantial damage
  > Engine failure during cruise flight for undetermined reasons. A factor was the rough/uneven terrain
- [NTSB CHI07FA009](https://openairdocs.org/ntsb/CHI07FA009.md): Beech 95-B55 · Lawrenceville, IL · Accident · 1 fatal · Field investigation · Final report · Oct 27, 2006 · N1832N · Substantial damage
  > The improper judgment by the pilot to conduct a flight to, and execute an approach to, an airport with weather conditions that were below the required minimums. Also causal was the pilot's continued descent below the approach minimum descent altitude.…
- [NTSB CHI06LA157](https://openairdocs.org/ntsb/CHI06LA157.md): Good RV-6A · Peru, IL · Accident · 1 fatal · Limited investigation · Final report · Jun 18, 2006 · N86CG · 2 aircraft · Destroyed
  > Failure of the pilot of the second airplane in the formation to maintain clearance with the lead airplane during the overhead recovery maneuver prior to landing.
- [NTSB CHI06LA088](https://openairdocs.org/ntsb/CHI06LA088.md): Irwin Sonex 2180 · Rockford, IL · Accident · No injuries · Limited investigation · Final report · Feb 27, 2006 · N514KP · Substantial damage
  > The loss of engine power due to the restricted movement of the throttle cable during cruise flight. A factor in the accident was the trees contacted during the forced landing.
- [NTSB CHI04IA260](https://openairdocs.org/ntsb/CHI04IA260.md): McDonnell Douglas DC-9-82 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 16, 2004 · N253AA · Minor damage
  > An in-flight collision with a flock of birds during climb out after takeoff, which damaged the left engine fan module and ruptured a fuel line to the fuel-oil cooler causing an engine fire.
- [NTSB CHI04LA010](https://openairdocs.org/ntsb/CHI04LA010.md): Wright Redux Association 1903 Wright Flyer · Bolingbrook, IL · Accident · No injuries · Limited investigation · Final report · Oct 14, 2003 · N203WF · Substantial damage
  > The inadequate planning/decision by the pilot to begin a flight in gusting wind conditions, the pilot's lack of experience in the airplane, and the stall encountered by the pilot during takeoff. The wind gusts were a contributing factor.
- [NTSB CHI04LA002](https://openairdocs.org/ntsb/CHI04LA002.md): Goldman Dragonfly · Peoria, IL · Accident · Minor injuries · Limited investigation · Final report · Oct 3, 2003 · N222TH · Substantial damage
  > The loss of power for undetermined reasons and the inadvertent stall of the canard by the pilot on the turn to final during the forced landing, as well as the excessive descent rate causing the aircraft to "pancake" into the ground.
- [NTSB CHI01LA152](https://openairdocs.org/ntsb/CHI01LA152.md): Allen Rotorway 162F · Jerseyville, IL · Accident · No injuries · Limited investigation · Final report · Jun 3, 2001 · N242KA · Substantial damage
  > the improper autorotation by the pilot. Contributing factors were the engine failure for undetermined reason(s) and the muddy terrain.
- [NTSB CHI00LA298](https://openairdocs.org/ntsb/CHI00LA298.md): Morrison E-RACER · Sugar Grove, IL · Accident · No injuries · Limited investigation · Final report · Sep 12, 2000 · N345JM · Substantial damage
  > the owner/builder's inadequate modification to the engine air intake system and the inadvertent engine shutdown. Factors included the low air pressure of the air intake system and the excessive fuel flow to the manifold.
- [NTSB CHI96IA145](https://openairdocs.org/ntsb/CHI96IA145.md): Boeing 727-222A · Chicago, IL · Incident · Minor injuries · Incident investigation · Final report · Apr 28, 1996 · N7443U · No damage
  > a passenger disturbance that required the flight attendant to leave her seat. A factor in this accident was the encounter with turbulence as the flight attendant was performing her assigned duties.
- [NTSB CHI94LA238](https://openairdocs.org/ntsb/CHI94LA238.md): Piper PA-22 · Harvard, IL · Accident · No injuries · Limited investigation · Final report · Jul 15, 1994 · N8512C · Substantial damage
  > the pilot's excessive taxi speed. A factor in the accident was the wet grass runway.
- [NTSB CHI94LA145](https://openairdocs.org/ntsb/CHI94LA145.md): Piper PA-24-250 · Rochelle, IL · Accident · No injuries · Limited investigation · Final report · Apr 30, 1994 · N7605P · Substantial damage
  > the pilot's inadequate use of carburetor heat. Factors associated with the accident were carburetor icing conditions and rough terrain.
- [NTSB CHI94DEE01](https://openairdocs.org/ntsb/CHI94DEE01.md): Remote Sensing Cirrus VK-30 · Lk In The Hills, IL · Accident · 2 fatal · Final report · Apr 19, 1994 · N108P · Destroyed
  > fuel starvation resulting from the modification of the fuel system. A factor was the modification to the fuel system.
- [NTSB CHI85LA378](https://openairdocs.org/ntsb/CHI85LA378.md): Schweizer 134 · Hampshire, IL · Accident · Minor injuries · Limited investigation · Final report · Sep 14, 1985 · N7627 · Substantial damage
  > The pilot reportedly failed to use spoilers on final. The approach was high so he attempted a 180 degree turn at the departure end of the runway. The glider stalled and collided with the ground.
- [NTSB CHI85IA212](https://openairdocs.org/ntsb/CHI85IA212.md): Boeing 727-023 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · May 28, 1985 · N1984 · Minor damage
  > American airlines flt 57 had departed baltimore for Chicago. On final approach at ohare the crew discovered the nose gear would not extend. The fe made three attempts to crank down the gear all of which were unsucessful. After landing with nose gear up all…
- [NTSB CHI85IA143](https://openairdocs.org/ntsb/CHI85IA143.md): Fairchild F-27 · Champaign, IL · Incident · No injuries · Incident investigation · Final report · Mar 20, 1985 · N386BA · Minor damage
  > During engine start a fuel line running between the fuel pump and the differential pressure switch ruptured and caused a small fire. The crew observed a fire warning light,aborted the start procedure and activated the fire extingui shing system which put the…
- [NTSB CHI83IA418](https://openairdocs.org/ntsb/CHI83IA418.md): Boeing 727-200 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Sep 7, 1983 · N1984 · Minor damage
  > The acft experienced a left walking beam failure when the landing gear was extended during approach, the acft log was noted 'during gear extension at 230 KTS tremendous bang occurred which dropped panels at rows 15-7 02 masks at row 18. Three green normal…
- [NTSB CHI83LA062](https://openairdocs.org/ntsb/CHI83LA062.md): Scorpion Too · Sandwich, IL · Accident · 1 fatal · Limited investigation · Final report · Dec 18, 1982 · N9354A · Destroyed
  > The rotorcraft impacted the runway very hard with no flare after the engine quit 100-200 feet AGL. The pilot had no training in this aircraft. No fuel was found in the fuel tank and no fuel odors were present. An examination of the fuelsystem, engine and…
- [NTSB CHI83LA029](https://openairdocs.org/ntsb/CHI83LA029.md): Flagg 13 · Lansing, IL · Accident · No injuries · Limited investigation · Final report · Oct 30, 1982 · N13625 · Substantial damage
  > The pilot stated he took off to the west and just after becoming airborne the engine lost power. The aircraft landed in a bean field. Examination of the fuel system revealed that the inlet fuel line to the fuel pump had rotted and large pieces of the interior…
- [NTSB CHI80FEV31](https://openairdocs.org/ntsb/CHI80FEV31.md): Grumman 164B · Maroa, IL · Accident · No injuries · Closed · Aug 4, 1980 · N48445 · Destroyed
- [NTSB CHI77DEE55](https://openairdocs.org/ntsb/CHI77DEE55.md): Brantly 305 · Wheeling, IL · Accident · No injuries · Closed · Aug 17, 1977 · N16616 · Substantial damage
- [NTSB CHI76FEE69](https://openairdocs.org/ntsb/CHI76FEE69.md): Sportster HA-2M · Rockford, IL · Accident · No injuries · Closed · Jul 29, 1976 · N158 · Substantial damage
- [NTSB CHI70F0344](https://openairdocs.org/ntsb/CHI70F0344.md): Globe GC-1B · Wheeling, IL · Accident · Minor injuries · Closed · Oct 23, 1969 · N78172 · Substantial damage
- [NTSB UNK65X1089](https://openairdocs.org/ntsb/UNK65X1089.md): Beechraft D95 · Groveland, IL · Accident · No injuries · Closed · Dec 22, 1964 · N8613M · Substantial damage

## 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 c."eventStateOrRegion" = 'IL' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&state=IL

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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.