Gulfstream American Aa-1 / Aa-1a / Aa-1b / Aa-1c (ACRO)
ICAO ACRO Light Piston

Gulfstream American Aa-1 / Aa-1a / Aa-1b / Aa-1c

Single Piston

The Gulfstream American AA-1 series represents one of general aviation's most distinctive attempts to bring sports-car handling to the sky. Originally designed by Jim Bede as the BD-1 kit plane in the 1960s, the design was acquired by American Aviation and refined into a production two-seater optimized for flight training and personal sport flying. The aircraft's most notable feature is its bonded aluminum honeycomb construction—a technique borrowed from aerospace manufacturing that eliminated thousands of rivets and created an exceptionally smooth, lightweight airframe. With a low wing, sliding canopy, and castering nosewheel, the AA-1 series earned a reputation for crisp, responsive handling that rewarded skilled pilots but demanded respect from students. The type evolved through several variants: the original AA-1 Yankee, the improved AA-1A Trainer, the AA-1B with better useful load, and finally the AA-1C Lynx with a more powerful 115-hp Lycoming O-235. Production continued under Gulfstream American after corporate acquisitions in the late 1970s, with approximately 1,800 examples built before the line ended in 1978. The AA-1's tight cockpit, limited baggage capacity, and relatively high landing speeds made it less forgiving than competitors like the Cessna 152, but its efficient cruise performance and nimble aerobatic-style handling cultivated a devoted following among sport pilots. SkyMeter has tracked 8 flights across 4 airframes and 4 operators, with BLACK DEBERAH L TRUSTEE the most frequently observed operator.

ACTIVE AIRFRAMES
4
last 7 days
🏢
OPERATORS
4
unique airlines
📊
FLIGHTS
8
tracked
AVG DURATION
1h 7m
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
70 kt
Vref range
Vmo
Mmo
Vne
152 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 / AA-1A / AA-1B / AA-1C
FAA designator
Registered

Recent incidents

Flagged flights of ACRO

6
06/23/2026
1h 19m
△ Unstable approach
06/13/2026
34m
△ Unstable approach
05/09/2026
43m
△ Unstable approach
10/11/2025
46m
△ Unstable approach
07/23/2025
24m
△ Unstable approach
06/08/2025
27m
△ Unstable approach

Recent flights

Real flights of ACRO · airborne ≥ 20 min

30
07/05/2026
3h 23m
No alerts
07/03/2026
1h 41m
No alerts
07/03/2026
30m
No alerts
07/02/2026
2h 52m
No alerts
06/23/2026
1h 8m
No alerts
06/23/2026
1h 19m
△ Unstable approach
06/17/2026
3h 23m
No alerts
06/15/2026
3h 43m
No alerts
06/13/2026
34m
△ Unstable approach
06/12/2026
21m
No alerts
06/12/2026
2h 42m
No alerts
06/10/2026
3h 32m
No alerts
06/05/2026
3h 21m
No alerts
06/05/2026
3h 33m
No alerts
06/05/2026
52m
No alerts
05/31/2026
25m
No alerts
05/31/2026
31m
No alerts
05/30/2026
29m
No alerts
05/30/2026
27m
No alerts
05/29/2026
23m
No alerts
05/29/2026
23m
No alerts
05/29/2026
1h 55m
No alerts
05/28/2026
35m
No alerts
05/27/2026
1h 39m
No alerts
05/26/2026
33m
No alerts
05/16/2026
3h 20m
No alerts
05/16/2026
3h 46m
No alerts
05/16/2026
4h 58m
No alerts
05/15/2026
1h 26m
No alerts
05/09/2026
43m
△ Unstable approach
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© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 7 days (free tier)