N484AB — Robinson Helicopter Company R44 II
Active registrationChecked against FAA & NTSB records · as of Jul 18, 2026
N484AB 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
- 11390
- Manufacturer
- Robinson Helicopter Company
- Model
- R44 II
- Category
- Rotorcraft
- Engine
- Lycoming Io-540-ae1a5
- Registration
- Active
- Registered to
- Coejo Aviation Llc — Uvalde, TX
Accident & incident history
The slipping of the sprag clutch due to galling of the sprags and corresponding sprag contact surfaces within the clutch assembly, which rendered the helicopter uncontrollable.
Registration timeline
Ownership and registration events for this airframe (the Robinson Helicopter Company R44 II).
- Sep 15, 2022registered — Coejo Aviation Llc
Frequently asked
- Has N484AB been in an accident?
- Yes. N484AB appears in 1 NTSB accident record, the most recent in 2019.
- What kind of aircraft is N484AB?
- N484AB is a Robinson Helicopter Company R44 II (rotorcraft), serial number 11390.
- Who is N484AB registered to?
- N484AB is registered to Coejo Aviation Llc of Uvalde, TX. Registration status: active.
The full N484AB 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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