Registry / Ryan / NAVION / N4251K

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N4251K V

Ryan NAVION · 1948 · San Jose, CA

This aircraft — FAA registration facts

N4251K is a 1948 Ryan NAVION (serial NAV-4-1251), registered to Vlahakis Gregory G (individual) in San Jose, CA. Its FAA registration is recorded as v and expires September 2031; the airworthiness certificate dates from November 1955 (71 years ago). It carries a Cont Motor E225 SERIES engine rated at 225 hp, the engine on 26% of registered Ryan NAVIONs. Its Mode-S transponder broadcasts the ICAO 24-bit address A510B7. It is one of 170 Ryan NAVION aircraft on the FAA registry.

Registered owner
Vlahakis Gregory G
Owner type
Individual
Based in
San Jose, CA
Serial number
NAV-4-1251
Year built
1948 · 78 yrs old
Airworthiness class
1
FAA status
V
Mode-S / ICAO24
A510B7 · 51210267 octal
Certificate issued
Sep 27, 2024
Airworthiness date
Nov 4, 1955
Last FAA activity
Sep 27, 2024
Registration expires
Sep 30, 2031
FAA region
4

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

Engine on this aircraft

Engine
Cont Motor E225 SERIES
Engine type
Reciprocating (Piston)
Rated power
225 hp
Power per seat
56 hp
FAA engine code
17015

43 of the 166 registered Ryan NAVION carry this engine (26%), across 11 engine variants on the type.

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

Community facts about N4251K

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Flight history & live tracking

ICAO24: a510b7
No flight data on file yet for N4251K.
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Aircraft Type — ACFTREF 6150160

Ryan NAVION
Engines: 1
Type: piston
Seats: 4
Cruise: 109 KTAS
Category: Standard
TCDS: A-782

Engine — CODE 17015

Manufacturer: Cont Motor
Model: E225 SERIES
Type: Reciprocating (Piston)
Horsepower: 225 HP

FAA Registration Record

N-Number: N4251K
Serial Number: NAV-4-1251
Year Manufactured: 1948
ACFTREF Code: 6150160
Engine Code: 17015
Status: V (V)
Certification: 1
Type Aircraft: Fixed Wing Single Engine (4)
Type Engine: Reciprocating (Piston) (1)
Source: master

Documents & resources

Commonly available reference sources for the Ryan NAVION. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.

View the Ryan NAVION model overview, reviews & photos →

These are commonly available reference sources. FerryFlight Hub does not provide sample or generated documents on this page.

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Transponder / ADS-B

Mode S (octal): 51210267
ICAO 24-bit (hex): A510B7

Registrant

Vlahakis Gregory G
Individual
1615 Sparkling Way
San Jose, CA, 951254563
FAA Region: 4

Key Dates

Certificate Issued Sep 27, 2024
Airworthiness Nov 4, 1955
Expiration Sep 30, 2031
Last Activity Sep 27, 2024
Data as of Nov 2, 2026

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