· ICAO24 4b415a· last seen 6d ago

HB-YTM is an American Aviation AA-1, a single-engine piston aircraft. SkyMeter has tracked 310 flights totalling 323 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is LSZT to LSZG. Service window in our records spans 458 days. Of those flights, 6 (1.9%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The American Aviation AA-1 has a maximum takeoff weight of 1,500 lb, light wake category.

About the American Aviation AA-1

The American Aviation AA-1 series represents one of general aviation's most distinctive attempts at affordable sport flying through radical simplicity. Introduced in 1969 as the AA-1 Yankee, this all-metal two-seater descended from the Bede BD-1 kitplane and featured bonded aluminum honeycomb construction instead of rivets, a manufacturing technique borrowed from aerospace that promised lighter weight and lower production costs. The design philosophy was uncompromising: a small wing optimized for speed rather than docility, a 108-horsepower Lycoming O-235 engine, and handling characteristics that rewarded precision.

The Yankee earned a reputation as a "pilot's airplane" that was honest but demanding, with crisp roll response and little tolerance for sloppy technique. American Aviation became Grumman American in 1972, and the line evolved through the AA-1A Trainer, AA-1B, and AA-1C Lynx variants with incremental refinements to cockpit ergonomics and spin recovery characteristics. Production continued until 1978 with approximately 1,800 aircraft built across all variants.

The type found a loyal following among pilots who appreciated its 140-knot cruise speed and nimble handling, though its relatively high stall speeds and firm ride made it less forgiving than contemporaries like the Cessna 150. Today the AA-1 series remains popular in the owner-flown community as an economical cross-country machine that delivers near-Bonanza cruise speeds on a fraction of the fuel burn. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
310
all time
FLOWN HOURS
323
tracked time
📍
AIRPORTS VISITED
76
unique
📡
CALLSIGNS
2
105 routes
📅
SERVICE PERIOD
5/31/2025 → 9/1/2026
first → last
INCIDENT RATE
1.9%
6 flagged

Top routes

By flight count

10
5
5
4
3
3
3
3
2
2
2

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

American Aviation AA-1

Engines
Single Piston
Vref (approach)
65 kt
MTOW
1,500 lb
Wake category
L

Recent flights

Newest 50 operations of HB-YTM

50
9/1/2026
49m
No alerts
9/1/2026
45m
No alerts
8/31/2026
57m
No alerts
8/23/2026
50m
No alerts
8/20/2026
53m
△ Low approach-stability score
8/12/2026
49m
No alerts
8/8/2026
8h 14m
No alerts
8/5/2026
1h 2m
No alerts
8/5/2026
1h 4m
No alerts
7/29/2026
7h 8m
No alerts
7/28/2026
29m
No alerts
7/28/2026
27m
No alerts
7/24/2026
40m
No alerts
7/24/2026
1h 24m
No alerts
7/24/2026
7m
No alerts
7/24/2026
2m
No alerts
7/24/2026
26m
No alerts
7/22/2026
51m
No alerts
7/22/2026
15m
No alerts
7/22/2026
47m
No alerts
7/21/2026
42m
No alerts
7/21/2026
7m
No alerts
7/21/2026
1h 14m
No alerts
7/16/2026
1h 53m
No alerts
7/15/2026
2h 7m
No alerts
7/15/2026
36m
No alerts
7/14/2026
41m
No alerts
7/12/2026
59m
No alerts
7/12/2026
39m
No alerts
7/11/2026
37m
No alerts
7/11/2026
1h 22m
No alerts
7/11/2026
30m
No alerts
7/10/2026
26m
No alerts
7/10/2026
9m
No alerts
7/10/2026
27m
No alerts
7/10/2026
1h 0m
No alerts
7/10/2026
2h 16m
No alerts
7/8/2026
52m
No alerts
7/8/2026
7m
No alerts
7/8/2026
4h 42m
No alerts
7/8/2026
1h 20m
No alerts
7/6/2026
10m
No alerts
7/6/2026
1h 57m
No alerts
7/4/2026
16m
No alerts
7/4/2026
20m
No alerts
7/2/2026
5h 34m
No alerts
6/19/2026
44m
No alerts
6/19/2026
56m
No alerts
6/19/2026
43m
No alerts
6/17/2026
38m
No alerts
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