X-RAY TANGO GROUP LLC· ICAO24 a54a63· last seen Jun 2026

N44XT is an Aero Vodochody L-39 Albatros, a single-engine jet operated by X-RAY TANGO GROUP LLC. SkyMeter has tracked 108 flights totalling 102 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is KHVN to KHVN. Service window in our records spans 377 days. Of those flights, 32 (29.6%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Aero Vodochody L-39 Albatros has a maximum takeoff weight of 10,362 lb, light wake category.

About the Aero Vodochody L-39 Albatros

The Aero Vodochody L-39 Albatros is a Czech-built subsonic jet trainer that became the most widely produced jet trainer in aviation history, with over 2,800 aircraft delivered between 1971 and 1996. Designed during the Cold War as the standard advanced trainer for Soviet bloc air forces, the L-39 replaced the earlier L-29 Delfín and introduced a more modern turbofan engine, tandem cockpit with excellent visibility, and docile handling characteristics that made it ideal for transitioning student pilots to jet operations. Its single Ivchenko AI-25TL turbofan produces 3,792 pounds of thrust, giving the aircraft a maximum speed of 466 knots and a service ceiling of 37,730 feet, while maintaining remarkably economical operating costs compared to Western contemporaries.

What distinguishes the L-39 in the 21st century is its thriving second life in civilian hands. Following the dissolution of the Warsaw Pact, hundreds of surplus Albatros aircraft entered the warbird market, where their relatively simple systems, forgiving flight characteristics, and jet performance made them accessible to private owners and contract adversary operators. The type has found particular success in the United States and other Western nations as an advanced aerobatic platform, formation trainer, and aggressor aircraft for military contract work. Companies like Draken International and ATAC operate fleets of L-39s to provide realistic adversary training for fighter squadrons, while individual owners fly them at airshows and in competitive aerobatics.

The aircraft's tandem seating, side-by-side ejection seats, and tip tanks give it an instantly recognizable profile. Its straight wing and conventional layout prioritize stability and ease of handling over raw performance, with approach speeds around 115 knots making it manageable for pilots transitioning from piston aircraft. The L-39 can sustain +8/-4 G loads and remains fully aerobatic throughout its envelope, though its subsonic design means it lacks the thrust-to-weight ratio of modern fighter trainers. Variants include the baseline L-39C trainer, the L-39ZA light attack version with underwing hardpoints, and the upgraded L-39NG with a Williams FJ44 engine that entered production in 2023.

SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
108
all time
FLOWN HOURS
102
tracked time
📍
AIRPORTS VISITED
19
unique
📡
CALLSIGNS
2
35 routes
📅
SERVICE PERIOD
05/27/2025 → 06/09/2026
first → last
INCIDENT RATE
29.6%
32 flagged

Top routes

By flight count

10
9
4
2
2
2
1
1
1
1
1

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Aero Vodochody L-39 Albatros

Engines
Single Jet
Vref (approach)
115 kt
Vmo
405 kt
MTOW
10,362 lb
Wake category
L

Recent flights

Newest 50 operations of N44XT

50
06/09/2026
42m
No alerts
06/09/2026
53m
No alerts
06/09/2026
24m
No alerts
06/09/2026
1h 3m
No alerts
06/07/2026
43m
No alerts
06/07/2026
34m
No alerts
06/07/2026
53m
No alerts
05/31/2026
1h 6m
! Stall
05/26/2026
23m
No alerts
05/22/2026
49m
No alerts
05/22/2026
43m
No alerts
05/22/2026
47m
No alerts
05/21/2026
19m
No alerts
05/19/2026
49m
No alerts
05/12/2026
1h 25m
No alerts
04/17/2026
1h 28m
No alerts
04/17/2026
1h 54m
No alerts
04/16/2026
1h 38m
No alerts
04/14/2026
27m
No alerts
04/12/2026
2h 10m
No alerts
01/20/2026
1h 9m
△ Low approach-stability score
01/08/2026
56m
△ Low approach-stability score
10/17/2025
33m
△ Low approach-stability score
08/09/2025
1h 2m
△ Low approach-stability score
08/09/2025
1h 3m
△ Low approach-stability score
08/08/2025
59m
No alerts
08/07/2025
1h 19m
No alerts
08/06/2025
15m
No alerts
08/06/2025
1h 28m
No alerts
08/06/2025
5h 22m
No alerts
08/05/2025
1h 35m
No alerts
08/03/2025
28m
No alerts
08/03/2025
2h 2m
△ Low approach-stability score
08/02/2025
43m
△ Low approach-stability score
08/02/2025
1h 18m
△ Low approach-stability score
07/27/2025
1h 0m
△ Low approach-stability score
07/27/2025
3m
No alerts
07/27/2025
4m
No alerts
07/27/2025
1h 32m
No alerts
07/27/2025
27m
No alerts
07/26/2025
31m
No alerts
07/24/2025
47m
No alerts
07/24/2025
7m
No alerts
07/24/2025
1h 8m
No alerts
07/23/2025
1h 5m
△ Low approach-stability score
07/20/2025
3m
No alerts
07/20/2025
1h 2m
△ Low approach-stability score
07/20/2025
10m
No alerts
07/20/2025
2h 18m
No alerts
07/13/2025
28m
No alerts
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