Stoddard-Hamilton Glasair Ii-S Rg (STG2)
ICAO STG2 Light Piston

Stoddard-Hamilton Glasair Ii-S Rg

Single Piston

The Stoddard-Hamilton Glasair II-S RG represents one of the most successful high-performance amateur-built aircraft designs of the 1980s and 1990s. Built from composite materials and featuring retractable landing gear, the Glasair II-S combined fighter-like handling with cross-country speed that rivaled certified aircraft costing several times more. The design emerged from Tom Hamilton's original Glasair prototype in the early 1980s, evolving through several iterations before the refined II-S model became the company's flagship offering. With a never-exceed speed of 220 knots and cruise speeds routinely exceeding 180 knots, the type offered performance that placed it among the fastest piston singles in general aviation. The Glasair II-S RG was sold as a kit requiring between 1,400 and 2,000 builder hours, attracting experienced homebuilders willing to invest the time for exceptional performance. The retractable gear variant added complexity but delivered the clean aerodynamics that made the type's speed possible. Powered typically by Lycoming IO-360 or IO-320 engines producing 180 to 200 horsepower, the aircraft achieved its performance through light weight and slippery design rather than brute power. The composite construction—primarily fiberglass and epoxy—allowed for smooth surfaces and precise aerodynamic shaping impossible with traditional aluminum. The type earned a reputation for responsive handling and demanding piloting, with approach speeds around 75 knots and stall characteristics that required respect. Its narrow operating envelope between stall and never-exceed speed made it unsuitable for inexperienced pilots, but rewarded skilled aviators with sports-car-like precision. The Glasair line eventually evolved into the Glasair III and later the Sportsman utility design, but the II-S remains the classic expression of the homebuilt speed machine philosophy. SkyMeter has tracked 3 flights across 1 airframes and 1 operators, with MCGREW ROBIN L the largest observed operator.

ACTIVE AIRFRAMES
1
last 7 days
🏢
OPERATORS
1
unique airlines
📊
FLIGHTS
3
tracked
AVG DURATION
37m
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
75 kt
Vref range
Vmo
Mmo
Vne
220 kt
Vno
200 kt
Vs1 (clean)
61 kt
Vs0 (landing)
54 kt
Vfe
100 kt
Approach category

Dimensions

Airframe geometry

Wingspan
Length
Tail height
Wheelbase
Gear width
Wake category
L

Weight & identification

Operating limits

MTOW
2,100 lb
MALW
Manufacturer model
Glasair II-S RG
FAA designator
Registered

Top operators

By fleet size · last 7 days

1

Safety profile

Flagged flights · last 7 days

Family

Related variants

0

No related variants.

Recent incidents

Flagged flights of STG2

7
06/15/2026
1h 50m
△ Unstable approach
03/30/2026
44m
△ Unstable approach
03/30/2026
44m
△ Unstable approach
01/05/2026
44m
△ Unstable approach
12/11/2025
1h 31m
△ Unstable approach
10/13/2025
58m
△ Unstable approach
09/27/2025
25m
△ Unstable approach

Recent flights

Real flights of STG2 · airborne ≥ 20 min

30
07/03/2026
25m
No alerts
06/30/2026
1h 18m
No alerts
06/25/2026
54m
No alerts
06/22/2026
1h 1m
No alerts
06/19/2026
54m
No alerts
06/15/2026
1h 50m
△ Unstable approach
06/15/2026
1h 44m
No alerts
06/11/2026
43m
No alerts
06/11/2026
47m
No alerts
06/05/2026
1h 10m
No alerts
05/30/2026
1h 0m
No alerts
05/29/2026
55m
No alerts
05/29/2026
25m
No alerts
05/25/2026
25m
No alerts
05/22/2026
44m
No alerts
05/21/2026
36m
No alerts
05/18/2026
57m
No alerts
05/18/2026
1h 18m
No alerts
05/14/2026
2h 10m
No alerts
05/13/2026
35m
No alerts
05/03/2026
42m
No alerts
04/30/2026
43m
No alerts
04/25/2026
45m
No alerts
04/24/2026
31m
No alerts
04/14/2026
30m
No alerts
04/11/2026
38m
No alerts
04/10/2026
29m
No alerts
04/07/2026
46m
No alerts
04/07/2026
40m
No alerts
04/04/2026
1h 20m
No alerts
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© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 7 days (free tier)