American Aviation Aa-1 Yankee (AAT4)
ICAO AAT4 Light Piston

American Aviation Aa-1 Yankee

Single Piston

The American Aviation AA-1 Yankee is a compact two-seat trainer and personal aircraft that emerged in the late 1960s as one of the first all-metal, low-wing designs aimed at the entry-level market. Built initially by American Aviation (later Grumman American), the Yankee featured a distinctive bonded aluminum honeycomb fuselage construction that was both lightweight and rigid, allowing the aircraft to achieve sprightly handling characteristics unusual for trainers of its era. Powered by a 108-horsepower Lycoming O-235 engine, the AA-1 was designed for simplicity and economy, with a fixed tricycle landing gear and a sliding canopy that gave occupants excellent visibility. Its clean aerodynamic lines and relatively low drag made it faster than many contemporaries in cruise, though the short-coupled design and sensitive controls earned it a reputation as a pilot's airplane that rewarded precision. The Yankee's operating envelope includes a never-exceed speed of 158 knots and a stall speed of 50 knots in landing configuration, with a maximum takeoff weight of just 1,500 pounds. The type found favor with flight schools and private owners seeking an affordable, fun-to-fly aircraft, though production numbers remained modest compared to Cessna and Piper trainers. SkyMeter has tracked 4 flights across 2 airframes and 2 operators, with JOSHUA NADAV the largest observed operator.

ACTIVE AIRFRAMES
2
last 7 days
🏢
OPERATORS
2
unique airlines
📊
FLIGHTS
4
tracked
AVG DURATION
32m
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
158 kt
Vno
125 kt
Vs0 (landing)
50 kt
Vfe
95 kt
Approach category

Dimensions

Airframe geometry

Wingspan
Length
Tail height
Wheelbase
Gear width
Wake category
L

Weight & identification

Operating limits

MTOW
1,500 lb
MALW
Manufacturer model
AA-1 Yankee
FAA designator
Registered

Safety profile

Flagged flights · last 7 days

Family

Related variants

1

Recent incidents

Flagged flights of AAT4

16
04/30/2026
1h 20m
△ Unstable approach
03/17/2026
1h 38m
△ Unstable approach
03/03/2026
1h 8m
△ Unstable approach
02/24/2026
20m
△ Unstable approach
02/14/2026
28m
△ Unstable approach
02/11/2026
23m
△ Unstable approach
02/11/2026
1h 3m
△ Unstable approach
01/13/2026
1h 17m
△ Unstable approach
12/25/2025
24m
△ Unstable approach
12/21/2025
36m
△ Unstable approach

Recent flights

Real flights of AAT4 · airborne ≥ 20 min

30
07/02/2026
19m
No alerts
07/02/2026
31m
No alerts
06/30/2026
1h 3m
No alerts
06/26/2026
52m
No alerts
06/21/2026
22m
No alerts
06/19/2026
23m
No alerts
06/16/2026
1h 11m
No alerts
06/14/2026
24m
No alerts
06/12/2026
19m
No alerts
06/12/2026
21m
No alerts
06/12/2026
36m
No alerts
06/09/2026
1h 14m
No alerts
06/02/2026
30m
No alerts
06/02/2026
23m
No alerts
05/26/2026
1h 17m
No alerts
05/24/2026
35m
No alerts
05/21/2026
1h 34m
No alerts
05/19/2026
1h 12m
No alerts
05/18/2026
43m
No alerts
04/30/2026
24m
No alerts
04/30/2026
24m
No alerts
04/30/2026
1h 20m
△ Unstable approach
04/27/2026
25m
No alerts
04/27/2026
19m
No alerts
04/21/2026
1h 9m
No alerts
04/19/2026
23m
No alerts
04/19/2026
24m
No alerts
04/14/2026
1h 6m
No alerts
04/11/2026
28m
No alerts
04/11/2026
51m
No alerts
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© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 7 days (free tier)