ENNIS SHANNON· ICAO24 a558b9· last seen Nov 2025

N4434U is a Yakovlev Yak-52, a single-engine piston aircraft operated by ENNIS SHANNON. SkyMeter has tracked 38 flights totalling 13 hours of airtime via ADS-B. The most frequent segment is KPVG to KPVG. Service window in our records spans 83 days. Of those flights, 2 (5.3%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Yakovlev Yak-52 has a maximum takeoff weight of 2,866 lb, light wake category.

About the Yakovlev Yak-52

The Yakovlev Yak-52 is a tandem two-seat aerobatic trainer that became the standard primary trainer for Soviet military and DOSAAF flying clubs from 1979 onward. Built in Romania by Aerostar under license, the Yak-52 replaced the earlier Yak-18 series and introduced tricycle landing gear, a more powerful 360-horsepower Vedeneyev M-14P nine-cylinder radial engine, and fully aerobatic capability with a +7/-5g envelope. Its sturdy all-metal construction and docile handling made it ideal for ab-initio military students, while its spirited performance (capable of loops, rolls, spins, and inverted flight) earned it a devoted following among civilian aerobatic pilots after the Cold War ended.

Following the collapse of the Soviet Union, hundreds of Yak-52s entered the Western warbird and aerobatic markets, prized for their affordability, reliability, and authentic Eastern Bloc pedigree. The type remains popular in formation flying displays, airshows, and as an introduction to tailwheel aerobatics for pilots transitioning from modern trainers. With a cruise speed around 155 knots and a never-exceed speed of 230 knots, the Yak-52 offers genuine aerobatic performance at a fraction of the cost of Western counterparts like the Extra 300 or Pitts Special. Its distinctive radial engine growl and Soviet-era instrumentation give pilots a visceral connection to Cold War-era military aviation.

Today the Yak-52 serves dual roles: as a living museum piece flown by warbird enthusiasts and as a working aerobatic trainer at civilian schools worldwide. Its forgiving stall characteristics, predictable spin behavior, and rugged construction make it an excellent platform for upset recovery training and aerobatic instruction. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
38
all time
FLOWN HOURS
13
tracked time
📍
AIRPORTS VISITED
17
unique
📡
CALLSIGNS
1
15 routes
📅
SERVICE PERIOD
08/27/2025 → 11/18/2025
first → last
INCIDENT RATE
5.3%
2 flagged

Top routes

By flight count

10
2
2
2
1
1
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Yakovlev Yak-52

Engines
Single Piston
Vref (approach)
75 kt
MTOW
2,866 lb
Wake category
L

Recent flights

Newest 19 operations of N4434U

19
11/18/2025
12m
No alerts
11/18/2025
11m
No alerts
11/14/2025
31m
No alerts
11/14/2025
10m
No alerts
11/14/2025
11m
No alerts
11/14/2025
1h 2m
No alerts
11/07/2025
6m
No alerts
11/07/2025
4m
No alerts
11/06/2025
14m
No alerts
10/23/2025
46m
No alerts
10/15/2025
21m
No alerts
10/15/2025
5m
No alerts
09/20/2025
7m
No alerts
09/20/2025
7m
No alerts
08/30/2025
14m
No alerts
08/30/2025
22m
No alerts
08/30/2025
27m
△ Low approach-stability score
08/30/2025
11m
No alerts
08/27/2025
44m
No alerts
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