SEMCO CONSTRUCTION INC· ICAO24 a7bccb· last seen 1d ago

N598TC is a Beechcraft BE-76, a twin-engine piston aircraft operated by SEMCO CONSTRUCTION INC. SkyMeter has tracked 206 flights totalling 201 hours of airtime via ADS-B. The most frequent segment is KBOW to KBOW. Service window in our records spans 440 days. Of those flights, 12 (5.8%) 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
206
all time
FLOWN HOURS
201
tracked time
📍
AIRPORTS VISITED
41
unique
📡
CALLSIGNS
1
53 routes
📅
SERVICE PERIOD
06/06/2025 → 08/20/2026
first → last
INCIDENT RATE
5.8%
12 flagged

Top routes

By flight count

10
26
KBOW X25
5
5
4
3
2
1
KLRO W29
1
1
1

Flight numbers

Most-flown by this airframe

1

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 N598TC

50
08/20/2026
1h 15m
No alerts
08/15/2026
1h 9m
No alerts
08/14/2026
42m
No alerts
08/14/2026
54m
No alerts
08/07/2026
52m
No alerts
08/06/2026
51m
No alerts
07/08/2026
1h 3m
No alerts
07/05/2026
1h 12m
No alerts
07/04/2026
1h 28m
No alerts
07/03/2026
1h 23m
No alerts
06/28/2026
1h 3m
No alerts
06/26/2026
59m
No alerts
06/23/2026
1h 3m
No alerts
06/07/2026
59m
No alerts
06/07/2026
47m
No alerts
06/06/2026
1h 3m
No alerts
06/06/2026
1h 1m
No alerts
06/05/2026
44m
△ Low approach-stability score
06/05/2026
2h 10m
No alerts
05/31/2026
32m
No alerts
05/30/2026
11m
No alerts
05/15/2026
1h 37m
No alerts
05/01/2026
16m
No alerts
05/01/2026
16m
No alerts
05/01/2026
33m
No alerts
05/01/2026
33m
No alerts
04/25/2026
35m
No alerts
04/25/2026
1h 2m
No alerts
03/26/2026
33m
No alerts
03/21/2026
25m
No alerts
03/15/2026
19m
No alerts
03/14/2026
20m
No alerts
02/17/2026
29m
No alerts
02/17/2026
23m
No alerts
02/14/2026
10m
No alerts
02/14/2026
12m
No alerts
01/09/2026
42m
No alerts
01/02/2026
13m
No alerts
01/02/2026
22m
No alerts
11/29/2025
44m
No alerts
11/26/2025
59m
No alerts
11/26/2025
29m
No alerts
11/24/2025
27m
△ Low approach-stability score
11/24/2025
16m
No alerts
11/16/2025
1h 9m
No alerts
11/15/2025
1h 28m
△ Low approach-stability score
11/15/2025
1h 28m
△ Low approach-stability score
11/15/2025
1h 14m
No alerts
11/15/2025
1h 14m
No alerts
11/07/2025
1h 14m
No alerts
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