SURFS UP AERO LLC· ICAO24 a7b398· last seen Sep 2026

N5959L is an Aero Vodochody L-29 Delfin, a single-engine jet operated by SURFS UP AERO LLC. SkyMeter has tracked 24 flights totalling 20 hours of airtime via ADS-B. The most frequent segment is 0LL3 to KDKB. Service window in our records spans 415 days. The Aero Vodochody L-29 Delfin has a maximum takeoff weight of 7,231 lb, light wake category.

About the Aero Vodochody L-29 Delfin

The Aero L-29 Delfín was the Soviet bloc's standard jet trainer throughout the 1960s and 1970s, becoming the most-produced jet trainer in history with over 3,600 built. Designed by Czechoslovakia's Aero Vodochody and first flown in 1959, it won a Warsaw Pact competition to replace piston trainers across Eastern Europe, beating Soviet and Polish rivals. The straight-winged, single-engine design prioritized simplicity and ruggedness over performance: its Motorlet M-701 turbojet produced just 1,960 pounds of thrust, giving it a modest top speed around 407 knots but exceptional reliability on austere airfields. The tandem cockpit offered good visibility for both student and instructor, and the aircraft's docile handling made it ideal for ab-initio jet training.

More than two dozen air forces operated the L-29, from East Germany and Cuba to Egypt and Syria, where some saw combat as light attack aircraft during regional conflicts. Its export success stemmed from Soviet backing and low cost, though performance lagged behind Western contemporaries like the T-37 and Jet Provost. After the Cold War, hundreds of surplus Delfíns entered the civilian warbird market, particularly in North America, where they became popular for their affordability and straightforward systems. The type remains one of the most accessible Cold War jets for private ownership, prized by collectors and aerobatic pilots despite its utilitarian origins.

Today the L-29 serves primarily as a warbird and adversary trainer, with a handful still flying military proficiency missions in former Soviet states. Its straight wing and low wing loading make it surprisingly maneuverable at lower speeds, and the side-by-side seating variant (L-29R) saw limited production for reconnaissance training. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

✈
FLIGHTS
24
all time
⏱
FLOWN HOURS
20
tracked time
📍
AIRPORTS VISITED
9
unique
📡
CALLSIGNS
1
10 routes
📅
SERVICE PERIOD
7/16/2025 → 9/5/2026
first → last
⚠
INCIDENT RATE
0.0%
0 flagged

Top routes

By flight count

5
1
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Aero Vodochody L-29 Delfin

Engines
Single Jet
Vref (approach)
95 kt
MTOW
7,231 lb
Wake category
L

Recent flights

Newest 16 operations of N5959L

16
9/5/2026
43m
No alerts
8/30/2026
28m
No alerts
8/16/2026
36m
No alerts
2/23/2026
31m
No alerts
2/23/2026
31m
No alerts
2/23/2026
25m
No alerts
2/23/2026
25m
No alerts
2/23/2026
3h 39m
No alerts
2/23/2026
24m
No alerts
2/23/2026
24m
No alerts
7/27/2025
56m
No alerts
7/27/2025
45m
No alerts
7/27/2025
9m
No alerts
7/19/2025
47m
No alerts
7/18/2025
53m
No alerts
7/16/2025
22m
No alerts
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