· ICAO24 407d82· last seen May 2026

G-DKNA is an Aero Vodochody L-159 ALCA, a single-engine jet. SkyMeter has tracked 304 flights totalling 434 hours of airtime via ADS-B across 56 callsigns. The most frequent segment is EGNV to EGNV. Service window in our records spans 320 days. Of those flights, 100 (32.9%) carry at least one detected incident — go-around, unstable approach, stall warning, or runway excursion. The Aero Vodochody L-159 ALCA has a maximum takeoff weight of 17,637 lb, light wake category.

About the Aero Vodochody L-159 ALCA

The Aero Vodochody L-159 ALCA (Advanced Light Combat Aircraft) is a Czech single-engine subsonic jet designed in the 1990s as a multirole light attack aircraft and advanced trainer for the Czech Air Force. Derived from the earlier L-39 Albatros trainer lineage, the L-159 features a modern glass cockpit, hands-on-throttle-and-stick controls, and Western avionics including a multifunction display and head-up display. Powered by a single Honeywell F124 turbofan producing 6,300 pounds of thrust, it can carry precision-guided munitions, rockets, and gun pods on seven hardpoints, making it a cost-effective platform for close air support, reconnaissance, and light strike missions in lower-threat environments.

The type entered Czech service in 2000, though budget constraints led to reduced procurement and some airframes being placed in storage or sold to international customers. Beyond its military operators, the L-159 has found a niche role with civilian adversary support contractors in the United Kingdom and United States, where its agility, low operating cost, and fighter-like performance make it ideal for simulating threat aircraft in air combat training exercises. These contractors operate the type on civil registrations, providing realistic adversary training to NATO air forces.

The aircraft's combination of modern systems, robust airframe, and relatively simple single-engine design offers a compelling alternative to more expensive jet trainers and light fighters. SkyMeter has tracked flights across airframes and operators, with distinct routes observed.

FLIGHTS
304
all time
FLOWN HOURS
434
tracked time
📍
AIRPORTS VISITED
5
unique
📡
CALLSIGNS
56
13 routes
📅
SERVICE PERIOD
06/24/2025 → 05/11/2026
first → last
INCIDENT RATE
32.9%
100 flagged

Top routes

By flight count

8
120
7
6
1
1
1
1
1

Aircraft specifications

Aero Vodochody L-159 ALCA

Engines
Single Jet
Vref (approach)
130 kt
Vmo
450 kt
MTOW
17,637 lb
Wake category
L

Recent flights

Newest 50 operations of G-DKNA

50
05/11/2026
1h 29m
No alerts
05/07/2026
1h 17m
No alerts
04/30/2026
1h 31m
No alerts
04/30/2026
1h 26m
△ Unstable
04/27/2026
1h 25m
No alerts
04/23/2026
1h 26m
△ Unstable
04/23/2026
1h 22m
△ Unstable
04/21/2026
1h 56m
△ Unstable
04/20/2026
1h 20m
△ Unstable
04/17/2026
1h 17m
No alerts
04/16/2026
1h 8m
△ Unstable
04/14/2026
1h 48m
No alerts
04/13/2026
1h 47m
No alerts
04/13/2026
1h 47m
No alerts
04/01/2026
1h 14m
△ Unstable
03/31/2026
1h 35m
No alerts
03/30/2026
1h 29m
△ Unstable
03/27/2026
1h 45m
△ Unstable
03/26/2026
1h 9m
△ Unstable
03/26/2026
1h 8m
△ Unstable
03/24/2026
1h 1m
No alerts
03/20/2026
1h 39m
No alerts
03/19/2026
1h 48m
No alerts
03/18/2026
1h 55m
No alerts
03/17/2026
1h 47m
No alerts
03/16/2026
1h 23m
No alerts
03/05/2026
1h 39m
No alerts
02/25/2026
1h 33m
No alerts
02/24/2026
1h 12m
△ Unstable
02/19/2026
1h 53m
No alerts
02/18/2026
1h 42m
△ Unstable
02/18/2026
1h 15m
△ Unstable
02/16/2026
1h 44m
No alerts
02/16/2026
1h 25m
△ Unstable
02/11/2026
1h 5m
No alerts
01/29/2026
1h 11m
No alerts
01/23/2026
1h 21m
No alerts
01/22/2026
1h 45m
No alerts
01/22/2026
1h 29m
No alerts
01/21/2026
1h 22m
No alerts
01/20/2026
1h 50m
No alerts
01/20/2026
1h 46m
No alerts
01/19/2026
1h 39m
No alerts
01/19/2026
1h 39m
No alerts
01/14/2026
1h 45m
No alerts
01/14/2026
1h 47m
No alerts
01/10/2026
1h 8m
No alerts
12/24/2025
30m
△ Unstable
12/24/2025
1h 8m
No alerts
12/16/2025
1h 19m
No alerts
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