Registry / Williams Ronald K / RV-4 / N771W

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N771W V

Williams Ronald K RV-4 · Keller, TX

This aircraft — FAA registration facts

N771W is a Williams Ronald K RV-4 (serial NB375), registered to Kalmar Istvan (individual) in Keller, TX. Its FAA registration is recorded as v and expires June 2028; the airworthiness certificate dates from February 1998 (28 years ago). It carries a Lycoming 0-360-A1D engine rated at 180 hp. Its Mode-S transponder broadcasts the ICAO 24-bit address AA6EB2. Kalmar Istvan holds 5 aircraft on the registry.

Registered owner
Kalmar Istvan
Owner type
Individual
Based in
Keller, TX
Serial number
NB375
Airworthiness class
42
FAA status
V
Mode-S / ICAO24
AA6EB2 · 52467262 octal
Certificate issued
Jun 17, 2021
Airworthiness date
Feb 25, 1998
Last FAA activity
May 19, 2023
Registration expires
Jun 30, 2028
FAA region
2

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
Lycoming 0-360-A1D
Engine type
Reciprocating (Piston)
Rated power
180 hp
Power per seat
90 hp
FAA engine code
41504

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N771W

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Flight history & live tracking

ICAO24: aa6eb2
No flight data on file yet for N771W.
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Aircraft Type — ACFTREF 05605WI

Williams Ronald K RV-4
Engines: 1
Type: piston
Seats: 2
Category: Standard

Engine — CODE 41504

Manufacturer: Lycoming
Model: 0-360-A1D
Type: Reciprocating (Piston)
Horsepower: 180 HP

FAA Registration Record

N-Number: N771W
Serial Number: NB375
Year Manufactured: —
ACFTREF Code: 05605WI
Engine Code: 41504
Status: V (V)
Certification: 42
Type Aircraft: Fixed Wing Single Engine (4)
Type Engine: Reciprocating (Piston) (1)
Source: master

Transponder / ADS-B

Mode S (octal): 52467262
ICAO 24-bit (hex): AA6EB2

Registrant

Kalmar Istvan
Individual
View all 5 aircraft registered to this owner →
1544 Bellechase Dr
Keller, TX, 762629334
FAA Region: 2

Key Dates

Certificate Issued Jun 17, 2021
Airworthiness Feb 25, 1998
Expiration Jun 30, 2028
Last Activity May 19, 2023
Data as of Oct 5, 2026

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