· ICAO24 a10117· last seen Jul 2026

N164FR is an Aero Vodochody L-29 Delfin, a single-engine jet. SkyMeter has tracked 108 flights totalling 101 hours of airtime via ADS-B across 3 callsigns. The most frequent segment is KTSP to KTSP. Service window in our records spans 197 days. Of those flights, 6 (5.6%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. 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
108
all time
FLOWN HOURS
101
tracked time
📍
AIRPORTS VISITED
13
unique
📡
CALLSIGNS
3
26 routes
📅
SERVICE PERIOD
12/18/2025 → 7/4/2026
first → last
INCIDENT RATE
5.6%
6 flagged

Top routes

By flight count

10
9
5
5
3
2
2
1
1
1
1

Flight numbers

Most-flown by this airframe

3

Aircraft specifications

Aero Vodochody L-29 Delfin

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

Recent flights

Newest 50 operations of N164FR

50
7/4/2026
17m
No alerts
6/23/2026
38m
No alerts
6/23/2026
23m
No alerts
6/17/2026
38m
No alerts
6/17/2026
44m
No alerts
6/17/2026
34m
No alerts
6/16/2026
41m
No alerts
5/24/2026
18m
No alerts
5/23/2026
2m
No alerts
5/23/2026
30m
No alerts
5/23/2026
20m
No alerts
5/22/2026
24m
No alerts
5/22/2026
19m
No alerts
5/22/2026
28m
No alerts
5/21/2026
21m
No alerts
5/21/2026
24m
No alerts
5/21/2026
30m
No alerts
5/21/2026
27m
No alerts
5/20/2026
33m
No alerts
5/20/2026
3h 54m
No alerts
5/20/2026
36m
No alerts
5/17/2026
46m
No alerts
5/17/2026
1h 45m
No alerts
5/17/2026
3h 17m
No alerts
5/13/2026
12m
No alerts
5/12/2026
13m
No alerts
5/12/2026
7m
No alerts
5/12/2026
1h 7m
No alerts
5/12/2026
3h 27m
No alerts
5/12/2026
23m
No alerts
5/12/2026
10m
No alerts
3/25/2026
16m
No alerts
2/27/2026
42m
No alerts
2/20/2026
1h 12m
No alerts
2/20/2026
3h 47m
No alerts
2/19/2026
8h 12m
No alerts
2/18/2026
27m
No alerts
2/17/2026
1h 24m
No alerts
2/17/2026
9m
No alerts
1/27/2026
1h 3m
No alerts
1/27/2026
1h 14m
No alerts
1/25/2026
57m
No alerts
1/25/2026
1h 10m
No alerts
1/25/2026
49m
No alerts
1/24/2026
17m
△ Low approach-stability score
1/21/2026
1h 9m
No alerts
1/20/2026
28m
△ Low approach-stability score
1/20/2026
39m
△ Low approach-stability score
1/19/2026
47m
No alerts
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