N9639H — 2019 Flight Design General Avn Gmbh CTLS
Active registrationChecked against FAA & NTSB records · as of Jul 25, 2026
N9639H appears in 1 NTSB accident record (most recent 2008, 1 fatality). Registration and accident data compiled from public FAA and NTSB records as of Jul 25, 2026.
Aircraft record
- Serial number
- F-18-07-03
- Manufacturer
- Flight Design General Avn Gmbh
- Model
- CTLS
- Year
- 2019
- Category
- Fixed wing single-engine
- Engine
- Rotax 912 Is
- Registration
- Active
- Registered to
- Hoy William H — Menlo Park, CA
Accident & incident history
The pilot's failure to maintain clearance from terrain while maneuvering.
Registration timeline
Ownership and registration events for this airframe (the 2019 Flight Design General Avn Gmbh CTLS).
- Mar 15, 2025registered — Hoy William H
Earlier aircraft on this N-number
The tail number N9639H was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 2019 Flight Design General Avn Gmbh CTLS above.
- until Feb 3, 20092005 Heidebrecht Dennis CORSARIO MK-5 (s/n 432)
Frequently asked
- Has N9639H been in an accident?
- Yes. N9639H appears in 1 NTSB accident record, the most recent in 2008.
- What kind of aircraft is N9639H?
- N9639H is a 2019 Flight Design General Avn Gmbh CTLS (fixed wing single-engine), serial number F-18-07-03.
- Who is N9639H registered to?
- N9639H is registered to Hoy William H of Menlo Park, CA. Registration status: active.
- Has N9639H been in a fatal accident?
- An NTSB record for N9639H (SEA08LA058) is classified with a fatal highest injury level.
The full N9639H 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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