· ICAO24 49c1e4· last seen 6d ago

OK-XAS31 is an Aerospool WT9 Dynamic, a single-engine piston aircraft. SkyMeter has tracked 102 flights totalling 53 hours of airtime via ADS-B. The most frequent segment is EPWR to EPWR. Service window in our records spans 412 days. Of those flights, 24 (23.5%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Aerospool WT9 Dynamic has a maximum takeoff weight of 1,322 lb.

About the Aerospool WT9 Dynamic

The Aerospool WT9 Dynamic is a Slovak-designed two-seat ultralight and Light Sport Aircraft that has become popular across Europe and North America since its introduction in the late 1990s. Built by Aerospool in Prievidza, Slovakia, the WT9 features a low-wing configuration with a composite fuselage and fabric-covered wings, offering an efficient blend of performance and economy for sport pilots and flight training operations. The aircraft typically uses Rotax 912-series engines producing 80-100 horsepower, giving it a cruise speed around 115 knots and a range exceeding 600 nautical miles on modest fuel burn.

What distinguishes the WT9 in the crowded LSA market is its European pedigree combined with excellent handling characteristics and a relatively spacious cockpit for the category. The type meets both European ultralight regulations and U.S. LSA certification requirements, making it one of the few designs that successfully bridges both markets. Its low stall speed of 37 knots in landing configuration and docile flight characteristics have made it a favorite for ab-initio training, while the cruise performance appeals to cross-country sport pilots. The aircraft's 1,320-pound maximum takeoff weight places it at the upper limit of the LSA category, allowing for practical payload with full fuel.

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

FLIGHTS
102
all time
FLOWN HOURS
53
tracked time
📍
AIRPORTS VISITED
16
unique
📡
CALLSIGNS
1
19 routes
📅
SERVICE PERIOD
05/30/2025 → 07/17/2026
first → last
INCIDENT RATE
23.5%
24 flagged

Top routes

By flight count

10
10
10
2
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Aerospool WT9 Dynamic

Engines
Single Piston
Vref (approach)
55 kt
MTOW
1,322 lb
Wake category
Light

Recent flights

Newest 50 operations of OK-XAS31

50
07/17/2026
13m
No alerts
07/16/2026
14m
No alerts
04/25/2026
15m
No alerts
04/18/2026
12m
△ Low approach-stability score
03/13/2026
40m
No alerts
03/13/2026
34m
No alerts
03/03/2026
32m
△ Low approach-stability score
03/03/2026
21m
No alerts
03/03/2026
29m
No alerts
03/02/2026
23m
No alerts
12/15/2025
1h 4m
No alerts
12/15/2025
19m
No alerts
12/10/2025
41m
No alerts
12/07/2025
38m
△ Low approach-stability score
11/13/2025
1h 8m
△ Low approach-stability score
11/13/2025
14m
No alerts
11/08/2025
16m
No alerts
11/08/2025
15m
△ Low approach-stability score
11/05/2025
18m
No alerts
10/31/2025
21m
No alerts
10/31/2025
34m
No alerts
10/29/2025
1h 13m
No alerts
09/12/2025
1h 11m
No alerts
09/12/2025
31m
△ Low approach-stability score
09/12/2025
17m
No alerts
09/08/2025
13m
No alerts
08/26/2025
41m
△ Low approach-stability score
08/26/2025
29m
No alerts
08/22/2025
50m
△ Low approach-stability score
08/19/2025
43m
No alerts
08/11/2025
16m
No alerts
08/08/2025
17m
No alerts
08/03/2025
4m
△ Low approach-stability score
08/03/2025
48m
No alerts
07/29/2025
58m
△ Low approach-stability score
07/25/2025
1h 13m
No alerts
07/18/2025
11m
No alerts
07/16/2025
22m
No alerts
06/24/2025
14m
No alerts
06/21/2025
11m
No alerts
06/21/2025
24m
No alerts
06/21/2025
15m
No alerts
06/21/2025
12m
No alerts
06/20/2025
13m
No alerts
06/14/2025
32m
△ Low approach-stability score
06/14/2025
1h 13m
No alerts
06/14/2025
30m
No alerts
06/13/2025
33m
△ Low approach-stability score
06/13/2025
19m
No alerts
06/13/2025
28m
No alerts
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