MOBLEY JERRY W· ICAO24 aa67f0· last seen 5d ago

N77NX is a Sonex Aircraft Sonex, a single-engine piston aircraft operated by MOBLEY JERRY W. SkyMeter has tracked 46 flights totalling 18 hours of airtime via ADS-B. The most frequent segment is KZPH to KZPH. Service window in our records spans 406 days. Of those flights, 6 (13.0%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Sonex Aircraft Sonex has a maximum takeoff weight of 1,150 lb, light wake category.

About the Sonex Aircraft Sonex

The Sonex is a compact, all-metal sport aircraft designed by Sonex Aircraft of Oshkosh, Wisconsin, and introduced in the early 2000s as an affordable kit plane for amateur builders. With its distinctive Y-tail configuration, folding wings, and aerobatic capability, the Sonex carved out a niche among homebuilders seeking a nimble, economical aircraft that could be constructed in a home garage and trailered to the airport. Powered by a variety of engines ranging from converted Volkswagen automotive units to purpose-built AeroVee and Jabiru powerplants producing 80 to 120 horsepower, the Sonex delivers spirited performance with cruise speeds around 140 knots and fuel burns as low as 4 gallons per hour.

The design emphasizes simplicity and low operating costs, with a maximum takeoff weight of just 1,150 pounds and construction techniques accessible to first-time builders. Its short takeoff and landing performance, combined with responsive handling, has made it popular for both recreational flying and sport aerobatics, while the kit's relatively quick build time and modest price point have attracted hundreds of builders worldwide. SkyMeter has tracked flights across airframes and operators, with among the observed operators.

FLIGHTS
46
all time
FLOWN HOURS
18
tracked time
📍
AIRPORTS VISITED
17
unique
📡
CALLSIGNS
1
19 routes
📅
SERVICE PERIOD
7/2/2025 → 8/12/2026
first → last
INCIDENT RATE
13.0%
6 flagged

Top routes

By flight count

10
3
2
1
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Sonex Aircraft Sonex

Engines
Single Piston
Vref (approach)
50 kt
MTOW
1,150 lb
Wake category
L

Recent flights

Newest 23 operations of N77NX

23
8/12/2026
7m
No alerts
8/12/2026
24m
△ Low approach-stability score
8/5/2026
7m
No alerts
8/5/2026
4m
△ Low approach-stability score
8/5/2026
36m
No alerts
3/28/2026
34m
No alerts
2/18/2026
25m
No alerts
2/18/2026
6m
No alerts
2/18/2026
1h 3m
No alerts
2/11/2026
40m
No alerts
1/21/2026
16m
No alerts
12/17/2025
19m
No alerts
12/17/2025
22m
No alerts
12/13/2025
31m
No alerts
11/5/2025
33m
No alerts
10/18/2025
9m
No alerts
10/18/2025
8m
△ Low approach-stability score
9/14/2025
19m
No alerts
8/15/2025
25m
No alerts
8/15/2025
20m
No alerts
7/21/2025
23m
No alerts
7/21/2025
22m
No alerts
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