N771W — Williams Ronald K RV-4
Active registrationChecked against FAA & NTSB records · as of Oct 28, 2026
N771W has no NTSB accident records on file. Registration data compiled from public FAA records as of Oct 28, 2026.
Aircraft record
- Serial number
- NB375
- Manufacturer
- Williams Ronald K
- Model
- RV-4
- Category
- Fixed wing single-engine
- Engine
- Lycoming 0-360-a1d
- Registration
- Active
- Registered to
- Kalmar Istvan — Keller, TX
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the Williams Ronald K RV-4).
- Jun 17, 2021registered — Kalmar Istvan
- Jun 17, 2021registered — Kalmar Istvan
- Aug 26, 2026deregistered
Earlier aircraft on this N-number
The tail number N771W was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the Williams Ronald K RV-4 above.
- until Dec 12, 1997Ogden S J Iii/gorgas H L Iii VANS RV-4 (s/n 3531)
Frequently asked
- Has N771W been in an accident?
- No NTSB accident records are on file for N771W.
- What kind of aircraft is N771W?
- N771W is a Williams Ronald K RV-4 (fixed wing single-engine), serial number NB375.
- Who is N771W registered to?
- N771W is registered to Kalmar Istvan of Keller, TX. Registration status: active.
The full N771W report
$12 $29 launch pricing
- Full NTSB investigation narratives — 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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