# NTSB investigations: Bombardier ROTAX (ALL), WI

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 CEN21LA344](https://openairdocs.org/ntsb/CEN21LA344.md): Weiss Denis Sparrow II · Oshkosh, WI · Accident · Minor injuries · Class 4 · Limited · Final report · Jul 30, 2021 · N725DW · Substantial damage
  > The pilot’s improper landing flare which resulted in a bounced landing, a loss of control, and runway excursion.
- [NTSB CEN16LA293](https://openairdocs.org/ntsb/CEN16LA293.md): Boam Larry Rans S 7 · Oshkosh, WI · Accident · No injuries · Limited investigation · Final report · Jul 30, 2016 · N6271X · Substantial damage
  > The pilot's failure to maintain airplane control on takeoff, which resulted in his remedial action to induce an aerodynamic stall and the subsequent impact with terrain.
- [NTSB CEN13FA440](https://openairdocs.org/ntsb/CEN13FA440.md): Phelps Kitfox III · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 28, 2013 · N873RX · Substantial damage
  > The degraded fuel line, which prevented fuel from the left tank from reaching the header tank and resulted in the loss of engine power due to fuel starvation.
- [NTSB CEN12CA567](https://openairdocs.org/ntsb/CEN12CA567.md): Fantasy Air Allegro 2000 · Bear Creek, WI · Accident · No injuries · Data collection · Final report · Aug 17, 2012 · N5064E · Substantial damage
  > A malfunction of the right brake for reasons that could not be determined because of the perishable evidence, which resulted in the pilot’s inability to maintain directional control of the airplane during landing.
- [NTSB CEN11LA549](https://openairdocs.org/ntsb/CEN11LA549.md): Aerosport Ikarus C42E · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Aug 4, 2011 · N577JP · Substantial damage
  > The flight instrctor's delayed remedial action during landing. Contributing to the accident was the student pilot’s loss of directional control when he became distracted with the open door.
- [NTSB CEN11LA050](https://openairdocs.org/ntsb/CEN11LA050.md): Mcfarland Bill Challenger II · Praire Du Sac, WI · Accident · 1 fatal · Limited investigation · Final report · Nov 1, 2010 · N448WM · Substantial damage
  > The separation of the fuselage-mounted wing strut attachment fitting for an undetermined reason, which resulted in the separation of the left wing of the airplane.
- [NTSB CEN10LA208](https://openairdocs.org/ntsb/CEN10LA208.md): Reed William A Kitfox 4 · Baraboo, WI · Accident · Serious injuries · Limited investigation · Final report · Apr 15, 2010 · N421KF · Substantial damage
  > The pilot's failure to compensate for wind gusts and maintain sufficient airspeed, which resulted in a stall.
- [NTSB CEN09CA397](https://openairdocs.org/ntsb/CEN09CA397.md): Weatherhead Peter L Stol CH 701 · Hayward, WI · Accident · No injuries · Data collection · Final report · Jun 29, 2009 · N861SD · Substantial damage
  > The pilot's improper flare resulting in a hard landing during gusty wind conditions. Contributing to the accident was the pilot's lack of experience with the accident airplane.
- [NTSB CHI07LA238](https://openairdocs.org/ntsb/CHI07LA238.md): Swanson Aventura II · Lakewood, WI · Accident · 1 fatal · Limited investigation · Final report · Jul 28, 2007 · N914JS · Substantial damage
  > The pilot's excessive pull up, his not maintaining airspeed, and the inadvertent stall resulting in the loss of control. A factor contributing to the accident was the trees.
- [NTSB CHI06CA171](https://openairdocs.org/ntsb/CHI06CA171.md): Croke Zenith CH 701 · Brussels, WI · Accident · Serious injuries · Data collection · Final report · Jun 27, 2006 · N701US · Substantial damage
  > The pilot not maintaining clearance from the trees during final approach. The trees located along the final approach course were a factor in the accident.
- [NTSB CHI04LA014](https://openairdocs.org/ntsb/CHI04LA014.md): Croke Zenith CH 701 · Brussels, WI · Accident · No injuries · Limited investigation · Final report · Oct 16, 2003 · N701US · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB CHI03LA201](https://openairdocs.org/ntsb/CHI03LA201.md): McIlraith Sea Rey · Tomah, WI · Accident · 2 fatal · Limited investigation · Final report · Jul 5, 2003 · N216ST · Destroyed
  > The loss of engine power for an undetermined reason, and the pilot's failure to maintain airspeed resulting in a stall/spin during the forced landing.
- [NTSB CHI02LA268](https://openairdocs.org/ntsb/CHI02LA268.md): Rebholz Rans S-10 · Cottage Grove, WI · Accident · 1 fatal · Limited investigation · Final report · Sep 4, 2002 · N92PD · Substantial damage
  > The pilot's decision to turn back to the airport following the loss of engine power during initial climb, the pilot not maintaining airspeed and aircraft control, which resulted in the stall at a low altitude. An additional cause was the seizure of the engine…
- [NTSB CHI02LA003](https://openairdocs.org/ntsb/CHI02LA003.md): Kainz Kitfox IV · Tomahawk, WI · Accident · Serious injuries · Limited investigation · Final report · Oct 9, 2001 · N1195F · Destroyed
  > The inadvertent stall/spin encountered by the pilot during a slow flight maneuver. Factors relating to this accident were the low airspeed and the trees.
- [NTSB CHI01LA227](https://openairdocs.org/ntsb/CHI01LA227.md): McIlraith Searey Amphibian · La Crosse, WI · Accident · No injuries · Limited investigation · Final report · Jul 23, 2001 · N216ST · Substantial damage
  > The pilot's inadequate compensation for wind conditions and turbulence which resulted in the encountered stall. Factors to the accident were turbulence and the high wind condition.
- [NTSB CHI01LA239](https://openairdocs.org/ntsb/CHI01LA239.md): Anderson Revelation · Wautoma, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 2001 · N6116S · Substantial damage
  > The pilot's failure to maintain airspeed, resulting in a stall. An inadequate pitch setting of the propeller is a contributing factor.
- [NTSB CHI01LA216](https://openairdocs.org/ntsb/CHI01LA216.md): Stemme S10-VT · Antigo, WI · Accident · No injuries · Limited investigation · Final report · Jul 14, 2001 · N502SC · Destroyed
  > The cause of the loss of engine power and in-flight fire was undetermined.
- [NTSB CHI00LA130](https://openairdocs.org/ntsb/CHI00LA130.md): Grunska Kitfox IV · Neenah, WI · Accident · Minor injuries · Limited investigation · Final report · May 2, 2000 · N4956 · Substantial damage
  > the pilot's failure to maintain driectional control of the airplane while landing. A factor associated with the accident was the tree that the airplane contacted.
- [NTSB CHI98LA176](https://openairdocs.org/ntsb/CHI98LA176.md): Waters Vortex · Monroe, WI · Accident · Minor injuries · Limited investigation · Final report · May 27, 1998 · N1025Y · Substantial damage
  > the pilot's failure to maintain rotor RPM. A factor associated with the accident was the soft terrain on which the gyrocopter touched down.
- [NTSB CHI97LA251](https://openairdocs.org/ntsb/CHI97LA251.md): Larsen T-BIRD II · Oshkosh, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 1997 · N41873 · Substantial damage
  > the pilot's failure to maintain flying speed and loss of control resulting in a stall. Factors were the tree and the fence.
- [NTSB CHI96LA286](https://openairdocs.org/ntsb/CHI96LA286.md): Schuler T Bird II · Fond Du Lac, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 1996 · N31774 · Substantial damage
  > loss of engine power because of improperly insulated ignition wiring. Factors relating to the accident were improper maintenance; and high obstructions in the emergency landing area, which the pilot had to avoid, resulting in a collision with terrain.
- [NTSB CHI96LA215](https://openairdocs.org/ntsb/CHI96LA215.md): Loehle-Avia 5151RG · Fond Du Lac, WI · Accident · No injuries · Limited investigation · Final report · Jun 25, 1996 · N5151N · Substantial damage
  > the pilot's improper positioning of the fuel tank selector, which resulted in fuel starvation and loss of engine power. A factor relating to the accident was: the design/location of the fuel tank selector.
- [NTSB CHI96LA007](https://openairdocs.org/ntsb/CHI96LA007.md): Roisum Team MINI-MAX · Neenah, WI · Accident · Minor injuries · Limited investigation · Final report · Oct 11, 1995 · N42BX · Substantial damage
  > Fuel starvation due to fuel filter blockage. Factors associated with the accident were the manufacturers design of the fuel filter and the builder/pilots decision to use an automotive type fuel filter.
- [NTSB CHI95FA242](https://openairdocs.org/ntsb/CHI95FA242.md): Revolution Helicopter MINI-500 · Oshkosh, WI · Accident · No injuries · Field investigation · Final report · Jul 27, 1995 · N500ZZ · Substantial damage
  > the inadequate design of the helicopter skid shoes. Factors related to the accident were: false indications of rotor rpm and EGT which led to seizure of the piston.
- [NTSB CHI94FA258](https://openairdocs.org/ntsb/CHI94FA258.md): Keuthan, Charles J. Buccaneer II · Oshkosh, WI · Accident · Minor injuries · Field investigation · Final report · Aug 1, 1994 · N5296C · Substantial damage
  > the pilot's inadvertent stall of the airplane. Factors were the tailwind condition and the pilot's inadequate compensation for the tailwind.
- [NTSB CHI94DEP01](https://openairdocs.org/ntsb/CHI94DEP01.md): Krotje Kolb Mark III · Oshkosh, WI · Accident · No injuries · Final report · Nov 28, 1993 · N393PK · Substantial damage
  > The lack of carburetor heat for the engine. A factor related to the accident was: the weather condition, which was favorable for formation of carburetor ice.
- [NTSB CHI93DEP04](https://openairdocs.org/ntsb/CHI93DEP04.md): Jordi, Ronald H. Challenger II · Plymouth, WI · Accident · No injuries · Final report · Aug 21, 1993 · N771RH · Substantial damage
  > the loss of engine power for undetermined reason(s).
- [NTSB CHI93DEP03](https://openairdocs.org/ntsb/CHI93DEP03.md): Kit Fox IV · Green Bay, WI · Accident · No injuries · Final report · Aug 4, 1993 · N127RF · Substantial damage
  > the improper modification of the fuel system by the pilot-in-command. A factor was bockage of the fuel system screen.
- [NTSB CHI92DEP05](https://openairdocs.org/ntsb/CHI92DEP05.md): Reif Avid Flyer · Shiocton, WI · Accident · No injuries · Final report · Sep 2, 1992 · N4220X · Substantial damage
  > Failure of the pilot-in-command to obtain a proper climb rate, and his lack of total expereince in the type of airplane.
- [NTSB CHI91DEP01](https://openairdocs.org/ntsb/CHI91DEP01.md): Dean Bartel Avid Flyer Stol · New London, WI · Accident · No injuries · Final report · Nov 4, 1990 · N287AF · Substantial damage
  > The pilot's failure to obtain a proper touchdown point and his delay in initiating a go-around.
- [NTSB CHI90DEP03](https://openairdocs.org/ntsb/CHI90DEP03.md): James A Nelson ZEN AIR CH701 · Raymond, WI · Accident · No injuries · Final report · Apr 3, 1990 · N360JN · Substantial damage
  > Manufacturer's inadequate design of the fuel drain. Contributing was the pilot-in-command's disregarding the fuel supply which resulted in fuel exhaustion.
- [NTSB CHI90DEP01](https://openairdocs.org/ntsb/CHI90DEP01.md): Wychen Challenger II · Warrens, WI · Accident · Serious injuries · Final report · Oct 22, 1989 · N91269 · Substantial damage
  > A broken cranskshaft which resulted in the loss of power. A factor related to the accident was: the lack of suitable terrain for a forced landing.
- [NTSB CHI89DEP11](https://openairdocs.org/ntsb/CHI89DEP11.md): Tierra II Panther 2 Plus · Tomah, WI · Accident · Minor injuries · Final report · Aug 23, 1989 · N22KK · Substantial damage
  > The pilot's premature liftoff, which resulted in a stall/mush and subsequently impact on the runway.
- [NTSB CHI89DEP12](https://openairdocs.org/ntsb/CHI89DEP12.md): Schuning/Teratorn Terra II · New Berlin, WI · Accident · Serious injuries · Final report · Jun 25, 1989 · N87KS · Destroyed
  > Failure of the pilot to maintain adequate airspeed during the go-around, which resulted in an inadvertent stall.
- [NTSB CHI88DEP13](https://openairdocs.org/ntsb/CHI88DEP13.md): Heibel AIR Command 532 · Cottage Grove, WI · Accident · 1 fatal · Final report · Sep 21, 1988 · N7015C · Destroyed
  > While in cruise flight this amateur built gyrocopter experienced a main rotor strike to the rudder and propeller. The student pilot who had a total of eight hours flight time, all in this aircraft, was conducting a solo flight in this dual control gyrocopter.…

## 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" = 'WI' 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 ('09050'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=09050&state=WI

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