N728CB — 2024 Costruzioni Aeronautiche Tecna P-MENTOR
Active registrationChecked against FAA & NTSB records · as of Jul 25, 2026
N728CB appears in 1 NTSB accident record (most recent 2017, minor injuries). Registration and accident data compiled from public FAA and NTSB records as of Jul 25, 2026.
Aircraft record
- Serial number
- 1144/US
- Manufacturer
- Costruzioni Aeronautiche Tecna
- Model
- P-MENTOR
- Year
- 2024
- Category
- Fixed wing single-engine
- Engine
- Rotax 912isc
- Registration
- Active
- Registered to
- Shimomura Masaki — Torrance, CA
Accident & incident history
The pilot's failure to maintain an adequate airspeed during out-of-ground-effect maneuvering at a low airspeed with a tailwind, which resulted in a loss of helicopter control due to a loss of tail rotor effectiveness.
Registration timeline
Ownership and registration events for this airframe (the 2024 Costruzioni Aeronautiche Tecna P-MENTOR).
- May 18, 2025registered — Shimomura Masaki
Earlier aircraft on this N-number
The tail number N728CB was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 2024 Costruzioni Aeronautiche Tecna P-MENTOR above.
- until Feb 4, 20192010 Robinson Helicopter Company R44 II (s/n 12899)
Frequently asked
- Has N728CB been in an accident?
- Yes. N728CB appears in 1 NTSB accident record, the most recent in 2017.
- What kind of aircraft is N728CB?
- N728CB is a 2024 Costruzioni Aeronautiche Tecna P-MENTOR (fixed wing single-engine), serial number 1144/US.
- Who is N728CB registered to?
- N728CB is registered to Shimomura Masaki of Torrance, CA. Registration status: active.
The full N728CB report
$12 $29 launch pricing
- 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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