· ICAO24 3ff9fe· last seen 12d ago

D-MMFZ is a Grob Aircraft G 520, a single-engine piston aircraft. SkyMeter has tracked 708 flights totalling 419 hours of airtime via ADS-B. The most frequent segment is EDAZ to EDAZ. Service window in our records spans 491 days. Of those flights, 86 (12.1%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Grob Aircraft G 520 has a maximum takeoff weight of 1,543 lb, light wake category.

About the Grob Aircraft G 520

The Grob G 520 is a German-built single-engine motorglider that bridges the gap between pure sailplanes and light touring aircraft. Developed by Grob Aircraft in the 1990s as a successor to earlier motorglider designs, the G 520 features a high-aspect-ratio wing optimized for soaring efficiency combined with an 80-horsepower Rotax 912 engine that retracts into the fuselage when not needed. This dual capability allows pilots to climb under power, shut down the engine at altitude, and then exploit thermals like a conventional glider, or cruise cross-country with the engine running at modest fuel burn.

With a maximum takeoff weight of just 1,543 pounds and a never-exceed speed of 135 knots, the G 520 occupies the light end of the motorglider spectrum. Its stall speeds are gentle (43 knots with flaps deployed, 49 knots clean), making it forgiving for pilots transitioning from pure gliders. The type is popular in Europe for both training and recreational cross-country soaring, particularly in Germany where the ultralight / LSA category permits operation with reduced licensing requirements. The retractable engine and sleek fuselage give it respectable glide performance when the powerplant is stowed, though it doesn't match the efficiency of purpose-built racing sailplanes.

SkyMeter has tracked flights across airframes and operators, with unique routes observed.

✈
FLIGHTS
708
all time
⏱
FLOWN HOURS
419
tracked time
📍
AIRPORTS VISITED
24
unique
📡
CALLSIGNS
1
55 routes
📅
SERVICE PERIOD
5/27/2025 → 10/1/2026
first → last
⚠
INCIDENT RATE
12.1%
86 flagged

Top routes

By flight count

10
101
42
36
14
7
5
3
2
2
2

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Grob Aircraft G 520

Engines
Single Piston
Vref (approach)
55 kt
MTOW
1,543 lb
Wake category
L

Recent flights

Newest 50 operations of D-MMFZ

50
10/1/2026
12m
No alerts
10/1/2026
56m
△ Low approach-stability score
9/30/2026
28m
No alerts
9/30/2026
40m
No alerts
9/29/2026
16m
No alerts
9/29/2026
16m
No alerts
9/29/2026
36m
No alerts
9/28/2026
42m
△ Low approach-stability score
9/28/2026
48m
No alerts
9/25/2026
37m
No alerts
9/25/2026
29m
No alerts
9/23/2026
28m
△ Low approach-stability score
9/23/2026
55m
No alerts
9/23/2026
39m
No alerts
9/15/2026
13m
△ Low approach-stability score
9/15/2026
1h 4m
No alerts
9/14/2026
33m
No alerts
9/14/2026
29m
No alerts
9/11/2026
1h 23m
No alerts
9/10/2026
1h 14m
No alerts
9/9/2026
1h 0m
No alerts
9/8/2026
22m
No alerts
9/8/2026
56m
No alerts
9/8/2026
20m
△ Low approach-stability score
9/3/2026
29m
No alerts
9/3/2026
49m
No alerts
8/31/2026
54m
No alerts
8/31/2026
50m
No alerts
7/28/2026
1h 19m
No alerts
7/22/2026
46m
No alerts
7/22/2026
37m
No alerts
7/22/2026
1h 5m
No alerts
7/21/2026
40m
△ Low approach-stability score
7/21/2026
8m
No alerts
7/21/2026
42m
No alerts
7/20/2026
1h 12m
No alerts
7/9/2026
17m
No alerts
7/9/2026
42m
No alerts
7/8/2026
49m
No alerts
6/26/2026
16m
No alerts
6/26/2026
22m
No alerts
6/25/2026
33m
No alerts
6/25/2026
47m
No alerts
6/24/2026
1h 10m
No alerts
6/18/2026
50m
No alerts
6/18/2026
52m
△ Low approach-stability score
6/17/2026
15m
No alerts
6/17/2026
44m
No alerts
6/17/2026
19m
No alerts
6/17/2026
48m
No alerts
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