Grumman American Aa-1 (COUG)
ICAO COUG Light Piston

Grumman American Aa-1

Single Piston

The Grumman American AA-1 series, marketed under names including Yankee, Trainer, and Cougar, represents one of general aviation's most distinctive light aircraft designs from the early 1970s. Born from the Bede BD-1 kitplane, Grumman American transformed the concept into a metal two-seat trainer and personal aircraft featuring bonded aluminum honeycomb construction—a manufacturing technique borrowed from aerospace applications that promised lighter weight and cleaner aerodynamics than traditional riveted structures. The AA-1's low wing, sliding canopy, and fighter-like visibility made it instantly recognizable on any ramp, though its handling characteristics earned a reputation for being less forgiving than competing trainers like the Cessna 150. With a 108-115 horsepower Lycoming engine depending on variant, the Cougar and its siblings cruise around 115-120 knots while burning just 5-6 gallons per hour, making them economical sport aircraft for pilots who respect their crisp, responsive controls and relatively high wing loading. The type found a niche among budget-conscious private owners and some flight schools willing to train students in its more demanding flight envelope. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

ACTIVE AIRFRAMES
last 7 days
🏢
OPERATORS
unique airlines
📊
FLIGHTS
tracked
AVG DURATION
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
65 kt
Vref range
Vmo
Mmo
Vne
145 kt
Vno
125 kt
Vs0 (landing)
55 kt
Vfe
95 kt
Approach category

Dimensions

Airframe geometry

Wingspan
Length
Tail height
Wheelbase
Gear width
Wake category
L

Weight & identification

Operating limits

MTOW
1,600 lb
MALW
Manufacturer model
AA-1
FAA designator
Registered

Top operators

By fleet size · last 7 days

0

No operator data available.

Safety profile

Flagged flights · last 7 days

No safety data available.

Family

Related variants

1

Recent incidents

Flagged flights of COUG

2
09/13/2025
48m
△ Unstable approach
09/11/2025
1h 48m
△ Unstable approach

Recent flights

Real flights of COUG · airborne ≥ 20 min

30
04/14/2026
1h 47m
No alerts
04/13/2026
1h 44m
No alerts
04/13/2026
1h 44m
No alerts
04/13/2026
2h 5m
No alerts
04/13/2026
2h 5m
No alerts
04/10/2026
1h 37m
No alerts
04/10/2026
1h 59m
No alerts
04/10/2026
1h 57m
No alerts
03/26/2026
52m
No alerts
03/21/2026
23m
No alerts
02/28/2026
38m
No alerts
02/11/2026
35m
No alerts
01/18/2026
34m
No alerts
12/25/2025
20m
No alerts
11/24/2025
1h 35m
No alerts
11/24/2025
42m
No alerts
11/23/2025
51m
No alerts
11/23/2025
1h 38m
No alerts
11/22/2025
33m
No alerts
11/16/2025
23m
No alerts
11/15/2025
22m
No alerts
11/13/2025
22m
No alerts
11/01/2025
35m
No alerts
10/29/2025
19m
No alerts
10/16/2025
21m
No alerts
10/16/2025
47m
No alerts
10/11/2025
30m
No alerts
10/03/2025
37m
No alerts
09/24/2025
49m
No alerts
09/24/2025
26m
No alerts
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© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 7 days (free tier)