# Accident 20150606015579A: Flight Design Gmbh CTSW, Muskogee, OK, June 6, 2015

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 6, 2015, 12:45 local time
- Place: Muskogee, OK
- Airport: Haskell
- Damage: Destroyed
- Phase of flight: Takeoff: Climb Out
- Operating rules: General operating rules (Part 91)
- Location: 35.8342° N, 95.6658° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=35.8342&lon=-95.6658&mi=10
- Aircraft: N535CT (not matched to a registry record)
- Reported make and model: FLIGHT DESIGN GMBH CTSW
- Reported engine: ROTAX ULS 2
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- NTSB investigation: [NTSB CEN15LA258](https://openairdocs.org/ntsb/CEN15LA258) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20150606015579A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PILOT STATED THAT HE PERFORMED A PREFLIGHT INSPECTION AT APPROXIMATELY 10:20 WITH NO DEFECTS NOTED. FUEL SAMPLES WERE ALSO ACCOMPLISHED WITH NO CONTAMINATION PRESENT.

UPON START, ALL ENGINE PARAMETERS APPEARED NORMAL, HOWEVER, CHARGING SYSTEM INDICATED ABNORMAL OUTPUT. AIRCRAFT WAS THEN SHUT DOWN AND SYSTEM CHECKED. THE AIRCRAFT WAS THEN RESTARTED AND ALL INDICATIONS APPEARED NORMAL.  AIRCRAFT DEPARTED FROM 2K9 AT APPROXIMATELY 12:45 PM ON RUNWAY 17.

AFTER LIFT OFF AND APPROXIMATELY 2/3 TO 3/4 DOWN RUNWAY, ENGINE BEGAN SPUTTERING WITH SIGNIFICANT LOSS OF POWER, WITH ENGINE STILL RUNNING. A GLIDE WAS ESTABLISHED AND A RIGHT TURN WAS MADE (EAST) FOLLOWED BY A LEFT TURN (NORTH) TOWARDS DEPARTURE AIRPORT.

WHILE LOSING ALTITUDE THE AIRCRAFT EVENTUALLY LANDED IN A SATURATED FIELD, NEAR THE AIRPORT, WITH TAIL AND MAINS CONTACTING FIRST, FOLLOWED BY THE NOSE WHEEL WHICH ULTIMATELY SANK INTO THE GROUND CAUSING THE AIRCRAFT TO FLIP FORWARD ON IT'S TOP AND SEPARATING THE EMPENAGE FROM THE AIRFRAME. BOTH THE PILOT AND PASSENGER THEN EXITED THE AIRCRAFT WITH MINOR INJURIES.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN15LA258](https://openairdocs.org/ntsb/CEN15LA258), Jun 6, 2015: Flight Design Ctsw (N535CT), Haskell, OK, substantial damage. Probable cause: The loss of engine power for reasons that could not be determined because a postaccident engine examination and test run did not reveal any evidence of preimpact malfunctions or failures that would…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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