American Champion 8kcab (AS20)
ICAO AS20 Light Piston

American Champion 8kcab

Single Piston

The American Champion 8KCAB Super Decathlon is a two-seat aerobatic taildragger that has defined sport aerobatics and upset recovery training since its introduction in the 1970s. Built in Rochester, Wisconsin, the Super Decathlon evolved from the original Aeronca Champ lineage through Bellanca and Champion, combining a 180-horsepower Lycoming engine with symmetrical wings stressed to +6/-5 G, making it equally capable of inverted flight as upright cruise. Its steel-tube fuselage and fabric covering follow classic tandem-seat design, but the airframe is purpose-built for sustained aerobatic loads (loops, rolls, spins, hammerheads, and the full Aresti catalog) while remaining docile enough for primary tailwheel instruction. The Super Decathlon found a niche beyond weekend aerobatics: it became the standard mount for civilian upset recovery training and military contract instruction, teaching pilots to recognize and recover from unusual attitudes. Its benign handling, rapid control response, and forgiving spin characteristics make it ideal for introducing aerobatic maneuvers to students transitioning from tricycle-gear trainers. The type remains in production today, a rarity among certified aerobatic aircraft, and holds its value in the used market due to consistent demand from aerobatic clubs, flight schools, and private owners seeking an honest, capable performer without the complexity or operating costs of higher-performance competition machines. With a cruise speed around 115 knots and a range of roughly 300 nautical miles, the Super Decathlon is not a cross-country traveler. It's a tool for mastering the edges of the flight envelope. Its 152-knot VNE and 126-knot VNO provide ample margin for aerobatic entries, while the 43-knot stall speed in landing configuration rewards precise energy management on approach. SkyMeter has tracked 2 flights across 2 airframes and 2 operators over routes, with ECKSTEIN SEAN R the most frequently observed operator.

ACTIVE AIRFRAMES
2
last 7 days
🏢
OPERATORS
2
unique airlines
📊
FLIGHTS
2
tracked
AVG DURATION
54m
per flight
INCIDENT RATE
0.0%
0 flagged

Safety in context

The incident rate counts flights with ANY safety event detected by SkyMeter: go-arounds (a routine response, not a failure), unstable-approach gate flags (advisory thresholds), rejected takeoffs (the system working as designed), and runway events. It is NOT an accident rate or fatality rate. For accident statistics, refer to the NTSB Aviation Accident Database (USA) or the Aviation Safety Network. See methodology for what each event type measures.

Performance

Speed envelope & approach

Vref
55 kt
Vref range
Vmo
Mmo
Vne
152 kt
Vno
126 kt
Vs0 (landing)
43 kt
Vfe
90 kt
Approach category

Dimensions

Airframe geometry

Wingspan
Length
Tail height
Wheelbase
Gear width
Wake category
L

Weight & identification

Operating limits

MTOW
1,800 lb
MALW
Manufacturer model
8KCAB
FAA designator
Registered

Recent incidents

Flagged flights of AS20

6
7/30/2026
4h 8m
△ Low approach-stability score
7/28/2026
2h 41m
△ Low approach-stability score
7/25/2026
1h 39m
△ Low approach-stability score
7/12/2026
2h 1m
△ Low approach-stability score
9/28/2025
49m
△ Low approach-stability score
7/5/2025
3h 22m
△ Low approach-stability score

Recent flights

Real flights of AS20 · airborne ≥ 20 min

30
8/15/2026
1h 32m
No alerts
7/31/2026
3h 18m
No alerts
7/30/2026
4h 8m
△ Low approach-stability score
7/30/2026
2h 19m
No alerts
7/30/2026
25m
No alerts
7/29/2026
3h 40m
No alerts
7/28/2026
2h 41m
△ Low approach-stability score
7/27/2026
3h 18m
No alerts
7/26/2026
2h 51m
No alerts
7/25/2026
1h 39m
△ Low approach-stability score
7/25/2026
3h 34m
No alerts
7/24/2026
4h 23m
No alerts
7/24/2026
4h 32m
No alerts
7/18/2026
24m
No alerts
7/12/2026
2h 1m
△ Low approach-stability score
7/12/2026
1h 57m
No alerts
7/5/2026
1h 10m
No alerts
7/4/2026
3h 35m
No alerts
6/30/2026
4h 56m
No alerts
6/16/2026
1h 15m
No alerts
6/16/2026
1h 44m
No alerts
6/13/2026
1h 8m
No alerts
6/6/2026
3h 7m
No alerts
5/26/2026
2h 57m
No alerts
5/23/2026
31m
No alerts
5/23/2026
2h 42m
No alerts
5/23/2026
1h 54m
No alerts
5/20/2026
2h 50m
No alerts
5/12/2026
2h 30m
No alerts
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© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 7 days (free tier)