· ICAO24 c81cae· last seen 1d ago

ZK-RDW is a B&F Technik Vertriebs GmbH FK9 Mark IV, a single-engine piston aircraft. SkyMeter has tracked 1,646 flights totalling 395 hours of airtime via ADS-B. The most frequent segment is NZWP to NZWP. Service window in our records spans 498 days. Of those flights, 8 (0.5%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The B&F Technik Vertriebs GmbH FK9 Mark IV has a maximum takeoff weight of 1,323 lb, light wake category.

About the B&F Technik Vertriebs GmbH FK9 Mark IV

The B&F Technik FK9 is a German-designed two-seat high-wing ultralight and light sport aircraft that has become one of Europe's most popular homebuilt and factory-built light aircraft since its introduction in the mid-1990s. Built by B&F Technik Vertriebs GmbH in Speyer, Germany, the FK9 Mark IV represents the latest evolution of a design optimized for simplicity, affordability, and excellent short-field performance. Its all-composite construction keeps empty weight around 290 kg (640 lb) while maintaining structural strength, and the spacious side-by-side cockpit offers better visibility than many competing designs thanks to its high-wing configuration and large Perspex canopy.

The FK9 is certified under both European ultralight regulations (472.5 kg MTOW) and as a Special Light-Sport Aircraft (S-LSA) in the United States, where it competes with American designs like the Flight Design CT and Tecnam P92. Powered by Rotax 912-series engines producing 80-100 horsepower, the FK9 cruises comfortably at 100-110 knots while sipping just 4-5 gallons per hour, and its low stall speed of 37 knots with full flaps makes it forgiving for student pilots and ideal for grass strips. The type's modular construction allows builder customization, and kits have been exported worldwide, though the majority of the fleet remains in Germany and Central Europe where ultralight aviation thrives.

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

✈
FLIGHTS
1,646
all time
⏱
FLOWN HOURS
395
tracked time
📍
AIRPORTS VISITED
12
unique
📡
CALLSIGNS
1
18 routes
📅
SERVICE PERIOD
5/31/2025 → 10/11/2026
first → last
⚠
INCIDENT RATE
0.5%
8 flagged

Top routes

By flight count

10
523
19
5
4
4
3
2
2
2
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

B&F Technik Vertriebs GmbH FK9 Mark IV

Engines
Single Piston
Vref (approach)
50 kt
MTOW
1,323 lb
Wake category
L

Recent flights

Newest 50 operations of ZK-RDW

50
10/11/2026
14m
No alerts
10/11/2026
9m
No alerts
10/11/2026
14m
No alerts
10/11/2026
8m
No alerts
10/11/2026
13m
No alerts
10/10/2026
14m
No alerts
10/10/2026
21m
No alerts
10/10/2026
8m
No alerts
10/8/2026
7m
No alerts
10/8/2026
13m
No alerts
10/8/2026
26m
No alerts
10/4/2026
12m
No alerts
10/4/2026
18m
No alerts
10/4/2026
12m
No alerts
10/4/2026
11m
No alerts
10/4/2026
8m
No alerts
10/4/2026
3m
No alerts
10/4/2026
7m
No alerts
10/3/2026
14m
No alerts
10/3/2026
12m
No alerts
10/3/2026
12m
No alerts
10/3/2026
7m
No alerts
10/3/2026
7m
No alerts
9/20/2026
1h 13m
No alerts
9/20/2026
38m
No alerts
9/19/2026
32m
No alerts
9/5/2026
24m
No alerts
9/5/2026
14m
No alerts
9/5/2026
34m
No alerts
9/5/2026
10m
No alerts
8/30/2026
13m
No alerts
8/30/2026
1h 5m
No alerts
8/30/2026
18m
No alerts
8/22/2026
7m
No alerts
8/22/2026
8m
No alerts
8/22/2026
6m
No alerts
8/22/2026
5m
No alerts
8/22/2026
6m
No alerts
8/16/2026
11m
No alerts
8/16/2026
9m
No alerts
8/16/2026
12m
No alerts
8/16/2026
9m
No alerts
8/16/2026
8m
No alerts
8/16/2026
21m
No alerts
8/15/2026
11m
No alerts
8/15/2026
13m
No alerts
8/15/2026
12m
No alerts
8/15/2026
10m
No alerts
8/8/2026
7m
No alerts
8/8/2026
8m
No alerts
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