· ICAO24 ac6d93· last seen May 2026

N90HS is an American Aviation AA-1, a single-engine piston aircraft. SkyMeter has tracked 74 flights totalling 31 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is KT74 to KT74. Service window in our records spans 355 days. Of those flights, 8 (10.8%) 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
74
all time
FLOWN HOURS
31
tracked time
📍
AIRPORTS VISITED
14
unique
📡
CALLSIGNS
2
19 routes
📅
SERVICE PERIOD
05/31/2025 → 05/22/2026
first → last
INCIDENT RATE
10.8%
8 flagged

Top routes

By flight count

10
8
3
2
2
1
1
1
1
1
1

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 37 operations of N90HS

37
05/22/2026
47m
No alerts
04/25/2026
23m
No alerts
04/24/2026
15m
No alerts
03/24/2026
36m
No alerts
03/24/2026
34m
No alerts
03/24/2026
34m
No alerts
03/24/2026
24m
No alerts
03/19/2026
20m
No alerts
03/18/2026
30m
No alerts
03/17/2026
20m
No alerts
02/27/2026
57m
No alerts
02/23/2026
23m
No alerts
02/19/2026
31m
No alerts
02/05/2026
41m
No alerts
02/01/2026
52m
No alerts
02/01/2026
23m
No alerts
01/29/2026
37m
No alerts
01/20/2026
13m
No alerts
01/15/2026
10m
No alerts
01/15/2026
18m
No alerts
01/11/2026
32m
No alerts
01/07/2026
12m
No alerts
01/04/2026
16m
△ Unstable approach
01/04/2026
34m
No alerts
12/30/2025
13m
△ Unstable approach
11/02/2025
32m
△ Unstable approach
11/02/2025
28m
No alerts
10/31/2025
11m
No alerts
10/31/2025
16m
No alerts
10/26/2025
13m
No alerts
08/24/2025
14m
No alerts
08/24/2025
11m
No alerts
06/28/2025
22m
No alerts
06/28/2025
24m
No alerts
06/08/2025
14m
No alerts
05/31/2025
18m
△ Unstable approach
05/31/2025
19m
No alerts
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