# NTSB investigations: Rotax 503 series

A list on [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series.md).

Matched to the registry by N-number and event date, newest first.

Page 1 of 2 · 51 investigations

- [NTSB CEN25LA379](https://openairdocs.org/ntsb/CEN25LA379.md): Pegasus Quantum 15 · Bedford, IN · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Sep 13, 2025 · N36TJ · Substantial damage
  > On September 13, 2025, at 1625 eastern daylight time, a Pegasus Quantum 15 weight-shift controlled aircraft, N36TJ, sustained substantial damage when it was involved in an accident near Bedford, Indiana. The pilot received serious injuries. The airplane was…
- [NTSB CEN25LA229](https://openairdocs.org/ntsb/CEN25LA229.md): Rans S-14 · Guthrie, OK · Accident · 1 fatal · Class 3 · Limited · Preliminary report · Jul 1, 2025 · N981CS · Substantial damage
  > On June 30, 2025, about 2054 central daylight time, a Rans S-14 airplane, N981CS, was substantially damaged when it was involved in an accident near Guthrie, Oklahoma. The non-certificated pilot was fatally injured. The airplane was operated as a Title 14…
- [NTSB CEN25LA172](https://openairdocs.org/ntsb/CEN25LA172.md): Golden Circle Air T-Bird · Dallas Center, IA · Accident · No injuries · Class 4 · Limited · Final report · May 5, 2025 · N7192M · Substantial damage
  > The pilot’s failure to maintain adequate roll control of the light sport airplane while on final approach to the airstrip with a crosswind.
- [NTSB ERA25LA197](https://openairdocs.org/ntsb/ERA25LA197.md): Arlie L Raber III Challenger 1 · Crestview, FL · Accident · No injuries · Class 4 · Limited · Final report · May 4, 2025 · N59BR · Substantial damage
  > The pilot’s decision to take off despite having problems controlling the airplane due to his physical stature.
- [NTSB ERA25LA097](https://openairdocs.org/ntsb/ERA25LA097.md): Jonathan C Eggers Challenger II · Conway, SC · Accident · No injuries · Class 4 · Limited · Final report · Jan 14, 2025 · N938SE · Substantial damage
  > The pilot's inadequate fuel planning, which resulted in a total total loss of engine power due to fuel exhaustion.
- [NTSB CEN25LA009](https://openairdocs.org/ntsb/CEN25LA009.md): Quicksilver GT 400 · Garden Ridge, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 8, 2024 · N2490H · Substantial damage
  > A loss of engine power that resulted from improper fuel system maintenance and the subsequent fuel starvation due to the leaking fuel pump outlet fuel line.
- [NTSB CEN24LA281](https://openairdocs.org/ntsb/CEN24LA281.md): Quicksilver GT-400 · Mansfield, MO · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 20, 2024 · N919PS · Substantial damage
  > The pilot’s failure to maintain control after takeoff, which resulted in an aerodynamic stall.
- [NTSB CEN23LA422](https://openairdocs.org/ntsb/CEN23LA422.md): Quicksilver Sport II · Welsh, LA · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 26, 2023 · N728NN · Substantial damage
  > The pilot’s failure to maintain sufficient altitude from obstacles during the simulated landing approach which led to a collision with a fence and a building.
- [NTSB ERA23LA329](https://openairdocs.org/ntsb/ERA23LA329.md): Eipper Formance Mxii · Holy Hill, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Aug 9, 2023 · N1624Z · Substantial damage
  > The pilot’s exceedance of the critical angle of attack during the initial climb, which resulted in an aerodynamic stall at low altitude and a collision with a hangar. Contributing to the accident was the pilot’s lack of experience in the accident make and…
- [NTSB ERA23LA026](https://openairdocs.org/ntsb/ERA23LA026.md): Kolb Firestar II · West Alexandria, OH · Accident · Serious injuries · Class 4 · Limited · Final report · Oct 16, 2022 · N4878P · Substantial damage
  > The pilot’s failure to maintain airplane control after takeoff, resulting in an aerodynamic stall and collision with terrain.
- [NTSB ERA21LA347](https://openairdocs.org/ntsb/ERA21LA347.md): Quad City Challenger · Geneva, AL · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 1, 2021 · N1225G · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB WPR20CA056](https://openairdocs.org/ntsb/WPR20CA056.md): Cosmos Phase II · Lake Havasu City, AZ · Accident · Serious injuries · Data collection · Final report · Dec 22, 2019 · N5057Z · Substantial damage
  > The total loss of engine power due to fuel exhaustion, which resulted from the pilot's inadequate preflight fuel inspection.
- [NTSB WPR19LA192](https://openairdocs.org/ntsb/WPR19LA192.md): Judd Challenger II · Draper, UT · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2019 · N77YD · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB ERA18LA188](https://openairdocs.org/ntsb/ERA18LA188.md): Northwing 17 · Section, AL · Accident · 1 fatal · Limited investigation · Final report · Jul 9, 2018 · N959RR · Substantial damage
  > The noncertificated pilot's failure to maintain control of the weight-shift-control aircraft during an aborted landing. Contributing to the accident was the pilot's lack of flight experience in the aircraft.
- [NTSB WPR18LA142](https://openairdocs.org/ntsb/WPR18LA142.md): Kolb Firestar · Atmore, AL · Accident · Serious injuries · Limited investigation · Final report · May 11, 2018 · N9216E · Substantial damage
  > The noncertificated pilot's failure to maintain airplane control, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of flight experience and qualification.
- [NTSB GAA18CA411](https://openairdocs.org/ntsb/GAA18CA411.md): Eipper Quicksilver · Marietta, SC · Accident · No injuries · Data collection · Final report · Apr 21, 2018 · N126AS · Substantial damage
  > The pilot's improper landing flare, which resulted in a loss of directional control.
- [NTSB GAA18CA054](https://openairdocs.org/ntsb/GAA18CA054.md): Quicksilver MXL Sport · Point Mugu, CA · Accident · Minor injuries · Data collection · Final report · Nov 19, 2017 · N7712 · Substantial damage
  > The pilot’s failure to see and avoid power wires.
- [NTSB ANC18LA002](https://openairdocs.org/ntsb/ANC18LA002.md): Fleetwood Jack Team Airbike · Ocean Springs, MS · Accident · No injuries · Limited investigation · Final report · Oct 11, 2017 · N7566D · Substantial damage
  > An intermittent failure of the power take-off cylinder ignition coil, which resulted in a partial loss of engine power.
- [NTSB GAA17CA553](https://openairdocs.org/ntsb/GAA17CA553.md): Aerotrike Safari · Bridgeton, NJ · Accident · No injuries · Data collection · Final report · Sep 24, 2017 · N7675K · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard landing while conducting an off-airport precautionary landing after a bird strike.
- [NTSB CEN17LA079](https://openairdocs.org/ntsb/CEN17LA079.md): Quicksilver GT-400 R503 · New Braunfels, TX · Accident · No injuries · Limited investigation · Final report · Jan 1, 2017 · N415HC · Substantial damage
  > The partial loss of engine power due to a loose spark plug. Contributing to the accident was the pilot's improper preflight inspection of the airplane.
- [NTSB ANC16CA050](https://openairdocs.org/ntsb/ANC16CA050.md): Holley Carol L Antares · North Pole, AK · Accident · No injuries · Data collection · Final report · Aug 3, 2016 · N8512Q · Substantial damage
  > The pilot's failure to maintain directional control of the weight-shift control airplane during the landing in a crosswind condition, which resulted in a runway excursion, a tip over of the wing, and a collision with terrain.
- [NTSB ERA15CA229](https://openairdocs.org/ntsb/ERA15CA229.md): Wilson Michael A Challenger II · Lebanon, TN · Accident · Minor injuries · Data collection · Final report · May 22, 2015 · N8547W · Substantial damage
  > The non-certificated pilot's failure to maintain airspeed during takeoff, which resulted in an aerodynamic stall, uncontrolled descent, and collision with terrain. Contributing to the accident was the pilot's lack of training and flight experience in the…
- [NTSB WPR15FA140](https://openairdocs.org/ntsb/WPR15FA140.md): Quicksilver Enterprises MXL II · Petaluma, CA · Accident · 1 fatal · Field investigation · Final report · Apr 3, 2015 · N476VB · Destroyed
  > The pilot's failure to maintain control of the airplane while maneuvering, which resulted in an uncontrolled descent and structural failure. Contributing to the accident was the pilot's impairment from his use of diphenhydramine.
- [NTSB WPR14CA347](https://openairdocs.org/ntsb/WPR14CA347.md): Eipper Formance Mxii · Salt Lake City, UT · Accident · No injuries · Data collection · Final report · Aug 16, 2014 · N1624Z · Substantial damage
  > The pilot's failure to maintain clearance from power lines while maneuvering at low altitude.
- [NTSB WPR14CA136](https://openairdocs.org/ntsb/WPR14CA136.md): Norman Quad City Challenger · Monroe, WA · Accident · No injuries · Data collection · Final report · Mar 13, 2014 · N345MN · Substantial damage
  > The pilot's inadequate construction of the propeller bracket, which resulted in its failure during the initial climb and the propeller subsequently departing the airplane.
- [NTSB WPR14CA017](https://openairdocs.org/ntsb/WPR14CA017.md): Beller Quicksilver Mxlii · Orland, CA · Accident · No injuries · Data collection · Final report · Oct 14, 2013 · N75556 · Substantial damage
  > The pilot's failure to maintain aircraft control during taxi with a strong gusting wind condition which resulted in the airplane nosing over.
- [NTSB CEN13LA555](https://openairdocs.org/ntsb/CEN13LA555.md): Buckeye Industries Dream Machine · St. Joseph, MI · Accident · Serious injuries · Limited investigation · Final report · Sep 23, 2013 · N6122F · Substantial damage
  > The pilot's failure to maintain control of the powered-parachute during takeoff.
- [NTSB ERA13CA354](https://openairdocs.org/ntsb/ERA13CA354.md): Stetson Norman B Challenger II · Orange, MA · Accident · No injuries · Data collection · Final report · Aug 6, 2013 · N94454 · Substantial damage
  > The pilot’s failure to maintain airspeed during the initial climb after takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s lack of total flight experience in the accident airplane make and model.
- [NTSB CEN13LA460](https://openairdocs.org/ntsb/CEN13LA460.md): Snyder Todd W Titan Tornado 1 · Wild Rose, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 2013 · N70786 · Substantial damage
  > The improperly secured spark plug, which resulted in a total loss of engine power.
- [NTSB ERA13LA171](https://openairdocs.org/ntsb/ERA13LA171.md): Mcnulty John S Aerolite 103 · Immokalee, FL · Accident · Serious injuries · Limited investigation · Final report · Mar 16, 2013 · N2549W · Substantial damage
  > The loss of engine power due to the seizure of the magneto piston.
- [NTSB WPR13CA092](https://openairdocs.org/ntsb/WPR13CA092.md): Heinz Rans S-4 Coyote · Lake Pleasant, AZ · Accident · No injuries · Data collection · Final report · Jan 11, 2013 · N571K · Substantial damage
  > A partial loss of engine power during cruise flight for reasons that could not be determined because the airplane was not recovered.
- [NTSB WPR12LA441](https://openairdocs.org/ntsb/WPR12LA441.md): Team MINI-MAX · Chula Vista, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 1, 2012 · N1532W · Substantial damage
  > A complete loss of engine power as a result of fuel starvation due to an unsecured fuel filter, which moved in flight and kinked the flexible fuel line, severely restricting the fuel flow to the carburetor. Contributing to the accident was the inadequate…
- [NTSB ERA12LA537](https://openairdocs.org/ntsb/ERA12LA537.md): Quad City Ultralights Challenger II · Ocala, FL · Accident · 2 fatal · Limited investigation · Final report · Aug 30, 2012 · N2481P · Substantial damage
  > The pilot's inadvertent overstress of the airplane, which resulted in the in-flight separation of the outer section of the right wing.
- [NTSB ERA12FA387](https://openairdocs.org/ntsb/ERA12FA387.md): Phillips William L Challenger · Plant City, FL · Accident · 1 fatal · Field investigation · Final report · Jun 9, 2012 · N2571T · Substantial damage
  > The non-certificated pilot’s loss of control during approach and landing. Contributing to the accident was the pilot’s lack of both total and recent flight experience.
- [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 ERA11LA263](https://openairdocs.org/ntsb/ERA11LA263.md): Solo Wings Windlass Aquilla · Starke, FL · Accident · 1 fatal · Limited investigation · Final report · Apr 23, 2011 · N94370 · Substantial damage
  > The pilot's loss of airplane control while taxiing, which resulted in the weight-shift-controlled airplane becoming inadvertently airborne and subsequently impacting the ground. Contributing to the accident was the pilot's lack of experience in the make and…
- [NTSB WPR11LA104](https://openairdocs.org/ntsb/WPR11LA104.md): Bice Air Creation GTE · Hayfork, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 22, 2011 · N4668L · Substantial damage
  > The total loss of engine power during cruise flight, while operating in carburetor icing conditions.
- [NTSB WPR10LA292](https://openairdocs.org/ntsb/WPR10LA292.md): Air Creation GTE · Springville, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 14, 2010 · N227EH · Substantial damage
  > The pilot's inadequate preflight planning and his failure to maintain clearance from obstacles during takeoff. Contributing to the accident was the pilot's lack of experience.
- [NTSB CEN10LA074](https://openairdocs.org/ntsb/CEN10LA074.md): Gibson Mark Manta 503 · Magnolia, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 13, 2009 · N193AW · Substantial damage
  > The pilot's failure to maintain clearance from a static wire while maneuvering and his improper decision to fly with a low overcast sky.
- [NTSB WPR09LA453](https://openairdocs.org/ntsb/WPR09LA453.md): Quad City Challenger II · Redlands, CA · Accident · 2 fatal · Limited investigation · Final report · Sep 16, 2009 · N732LS · Substantial damage
  > Structural failure of the right wing during the landing approach due to the separation of the wing's fabric covering.
- [NTSB ERA09LA492](https://openairdocs.org/ntsb/ERA09LA492.md): Bond Neal O S-9 · Saylorsburg, PA · Accident · 1 fatal · Limited investigation · Final report · Aug 30, 2009 · N463NB · Substantial damage
  > The pilot’s excessive flight control inputs that resulted in an overload failure of the right elevator and horizontal stabilizer.
- [NTSB ERA09LA451](https://openairdocs.org/ntsb/ERA09LA451.md): Engle David TWO Place · Manlius, NY · Accident · Serious injuries · Limited investigation · Final report · Aug 8, 2009 · N9259F · Substantial damage
  > The pilot's failure to maintain adequate airspeed during climbout, resulting in an aerodynamic stall.
- [NTSB CEN09CA504](https://openairdocs.org/ntsb/CEN09CA504.md): Vanderhoof Steve AIR Comman · Mentone, IN · Accident · Minor injuries · Data collection · Final report · Aug 5, 2009 · N8099P · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing and subsequent impact with a parked aircraft.
- [NTSB ERA09LA383](https://openairdocs.org/ntsb/ERA09LA383.md): Rans S5 Coyote · Greeneville, TN · Accident · Minor injuries · Limited investigation · Final report · Jul 7, 2009 · N284AH · Substantial damage
  > The pilot's failure to maintain airspeed during a forced landing. Contributing to the accident was the loss of engine power due to fuel starvation resulting from the pilot's inadequate preflight inspection.
- [NTSB WPR09LA130](https://openairdocs.org/ntsb/WPR09LA130.md): Toland S/Thornburgh J Twin 503SL · Torrance, CA · Accident · 1 fatal · Limited investigation · Final report · Feb 27, 2009 · N426MT · Substantial damage
  > The passenger’s inadvertent activation of the engine throttle.
- [NTSB ERA09LA013](https://openairdocs.org/ntsb/ERA09LA013.md): Sabre Tukan · Mohawk, TN · Accident · 1 fatal · Limited investigation · Final report · Oct 12, 2008 · N75604 · Substantial damage
  > The pilot's loss of control in flight due to a lack of flight experience or instruction. Contributing to the accident was the pilot's impairment due to the recent use of marijuana and a prescription painkiller.
- [NTSB ANC09FA003](https://openairdocs.org/ntsb/ANC09FA003.md): Antonovich Anton B Challenger II · Chugiak, AK · Accident · 1 fatal · Field investigation · Final report · Oct 3, 2008 · N7511J · Substantial damage
  > The pilot’s failure to maintain control of the airplane while maneuvering, resulting in an in-flight collision with trees. Contributing to the accident was the pilot's lack of experience.
- [NTSB LAX08LA181](https://openairdocs.org/ntsb/LAX08LA181.md): Airborne Edge · Dunn, NC · Accident · 1 fatal · Limited investigation · Final report · Jun 14, 2008 · N9393S · Substantial damage
  > The student pilot's failure to maintain control of the airplane during a go-around.
- [NTSB DEN08LA053](https://openairdocs.org/ntsb/DEN08LA053.md): Phillips Flite Bike · Valley Center, KS · Accident · Serious injuries · Limited investigation · Final report · Jan 26, 2008 · N31559 · Substantial damage
  > The pilot's failure to maintain airspeed during an emergency descent resulting in an inadvertent stall/mush. Contributing to the accident was the pilot's failure to turn on the fuel tank valve resulting in fuel starvation and the loss of engine power.
- [NTSB SEA07LA266](https://openairdocs.org/ntsb/SEA07LA266.md): St. Claire Ragtop-01 · Perris, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2007 · N3134Q · Substantial damage
  > The pilot's failure to maintain control of the airplane during an aborted landing. Contributing factors to the accident were the fence and the undetermined brake malfunction.

Next page: https://openairdocs.org/engine/rotax-503-series/ntsb.md?page=2

## 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_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = a.case_mkey
WHERE a.engine_model_code IN ('55564')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/engine/rotax-503-series/ntsb

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