N91WW — 2006 Flight Design Gmbh CTSW
DeregisteredChecked against FAA & NTSB records · as of Jul 18, 2026
N91WW appears in 1 NTSB accident record (most recent 2019, minor injuries). Registration and accident data compiled from public FAA and NTSB records as of Jul 18, 2026.
Aircraft record
- Serial number
- 06-08-20
- Manufacturer
- Flight Design Gmbh
- Model
- CTSW
- Year
- 2006
- Category
- Fixed wing single-engine
- Engine
- Rotax 912uls Series
- Registration
- Deregistered
Accident & incident history
The student pilot’s failure to maintain yaw control during takeoff, which resulted in an aborted takeoff and subsequent landing on grassy terrain, during which the airplane bounced and then nosed over.
Registration timeline
Ownership and registration events for this airframe (the 2006 Flight Design Gmbh CTSW).
- Jul 23, 2020deregistered — Sunrae Aviation Llc
Earlier aircraft on this N-number
The tail number N91WW was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 2006 Flight Design Gmbh CTSW above.
- until Mar 11, 20041975 Smith AEROSTAR 600 (s/n 60-0262-105)
Frequently asked
- Has N91WW been in an accident?
- Yes. N91WW appears in 1 NTSB accident record, the most recent in 2019.
- What kind of aircraft is N91WW?
- N91WW is a 2006 Flight Design Gmbh CTSW (fixed wing single-engine), serial number 06-08-20.
The full N91WW report
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- Full NTSB investigation narratives for all 1 record — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
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