· ICAO24 4b1c48· last seen Jul 2026

HB-KSM is a Beechcraft BE-76, a twin-engine piston aircraft. SkyMeter has tracked 960 flights totalling 782 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is LSZR to LSZR. Service window in our records spans 400 days. Of those flights, 18 (1.9%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Beechcraft BE-76 has a maximum takeoff weight of 3,900 lb, light wake category.

About the Beechcraft BE-76

The Beechcraft Duchess is a light twin-engine piston aircraft introduced in 1977, designed primarily as an affordable multi-engine trainer for pilots transitioning from single-engine aircraft to more complex twins. Built by Beech Aircraft Corporation (now part of Textron Aviation), the Duchess filled a crucial niche in flight schools and training operations with its docile handling characteristics, relatively low operating costs, and forgiving stall behavior, making it ideal for teaching engine-out procedures and multi-engine instrument work. Powered by two 180-horsepower Lycoming O-360 engines driving counter-rotating propellers, the Duchess eliminates critical engine considerations and P-factor asymmetry that complicate training in conventional twins.

Its T-tail configuration and semi-tapered wing provide stable flight characteristics, while the spacious four-seat cabin offers reasonable comfort for cross-country training flights. The type competed directly with the Piper Seminole in the training market throughout the 1980s and early 1990s. Production ended in 1982 after approximately 437 aircraft were built, but the Duchess remains a common sight at flight schools and in private ownership across North America.

With a maximum cruise speed around 155 knots and a service ceiling of 19,650 feet, it offers respectable performance for a light twin while maintaining the simplicity and economy that made it a training favorite. SkyMeter has tracked flights across airframes and operators over routes, with the largest observed operator.

FLIGHTS
960
all time
FLOWN HOURS
782
tracked time
📍
AIRPORTS VISITED
93
unique
📡
CALLSIGNS
2
130 routes
📅
SERVICE PERIOD
6/5/2025 → 7/11/2026
first → last
INCIDENT RATE
1.9%
18 flagged

Top routes

By flight count

10
92
7
7
7
7
5
4
4
4
3

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Beechcraft BE-76

Engines
Twin Piston
Vref (approach)
70 kt
MTOW
3,900 lb
Wake category
L

Recent flights

Newest 50 operations of HB-KSM

50
7/11/2026
1h 4m
No alerts
7/11/2026
4m
No alerts
7/10/2026
52m
No alerts
7/10/2026
58m
No alerts
7/9/2026
1h 13m
No alerts
7/9/2026
1h 42m
No alerts
7/9/2026
4m
No alerts
7/7/2026
1h 13m
No alerts
7/7/2026
1h 46m
No alerts
7/7/2026
59m
No alerts
7/5/2026
41m
No alerts
7/5/2026
7m
No alerts
7/4/2026
42m
△ Low approach-stability score
7/4/2026
47m
No alerts
7/4/2026
4h 32m
△ Low approach-stability score
7/4/2026
6m
No alerts
7/3/2026
3m
No alerts
7/3/2026
2h 21m
No alerts
7/2/2026
2h 25m
No alerts
7/1/2026
25m
No alerts
6/30/2026
1h 17m
No alerts
6/30/2026
2m
No alerts
6/30/2026
1h 49m
No alerts
6/27/2026
6m
No alerts
6/27/2026
4m
No alerts
6/25/2026
46m
No alerts
6/25/2026
55m
No alerts
6/25/2026
35m
No alerts
6/25/2026
4h 11m
No alerts
6/23/2026
6m
No alerts
6/23/2026
4m
No alerts
6/15/2026
36m
No alerts
6/15/2026
36m
No alerts
6/15/2026
2h 23m
No alerts
6/13/2026
36m
No alerts
6/12/2026
28m
No alerts
6/3/2026
4m
No alerts
6/3/2026
17m
No alerts
6/3/2026
5m
No alerts
6/2/2026
12m
No alerts
5/31/2026
1h 9m
No alerts
5/30/2026
1h 31m
No alerts
5/30/2026
4m
No alerts
5/30/2026
5m
No alerts
5/30/2026
3m
No alerts
5/30/2026
49m
No alerts
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