ALBA LEASING SERVICES LLC· ICAO24 a646d7· last seen 3d ago

N503U is a Beechcraft BE-76, a twin-engine piston aircraft operated by ALBA LEASING SERVICES LLC. SkyMeter has tracked 1,142 flights totalling 966 hours of airtime via ADS-B. The most frequent segment is KACT to KACT. Service window in our records spans 478 days. Of those flights, 30 (2.6%) 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
1,142
all time
⏱
FLOWN HOURS
966
tracked time
📍
AIRPORTS VISITED
49
unique
📡
CALLSIGNS
1
67 routes
📅
SERVICE PERIOD
6/17/2025 → 10/9/2026
first → last
⚠
INCIDENT RATE
2.6%
30 flagged

Top routes

By flight count

10
295
29
9
6
4
4
4
9F1 → KACT
3
3
3

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 N503U

50
10/9/2026
1h 5m
No alerts
10/8/2026
1h 10m
No alerts
10/8/2026
1h 20m
No alerts
10/7/2026
1h 2m
No alerts
10/7/2026
1h 22m
No alerts
10/7/2026
47m
No alerts
10/7/2026
3m
No alerts
10/7/2026
1h 33m
No alerts
10/6/2026
57m
No alerts
10/6/2026
53m
△ Low approach-stability score
10/6/2026
13m
No alerts
10/5/2026
57m
No alerts
10/5/2026
56m
No alerts
10/1/2026
40m
No alerts
9/30/2026
18m
No alerts
9/30/2026
19m
No alerts
9/30/2026
2m
No alerts
9/30/2026
1h 12m
No alerts
9/29/2026
1h 31m
No alerts
9/29/2026
1h 5m
No alerts
9/29/2026
2m
No alerts
9/29/2026
19m
No alerts
9/28/2026
1h 28m
No alerts
9/28/2026
1h 15m
No alerts
9/27/2026
1h 4m
No alerts
9/27/2026
1h 18m
No alerts
9/26/2026
1h 4m
No alerts
9/25/2026
36m
No alerts
9/24/2026
37m
△ Low approach-stability score
9/24/2026
18m
No alerts
9/24/2026
41m
No alerts
9/22/2026
29m
No alerts
9/22/2026
51m
No alerts
9/18/2026
1h 16m
No alerts
9/18/2026
40m
No alerts
9/17/2026
25m
No alerts
9/17/2026
1h 36m
No alerts
9/17/2026
1h 27m
⛨ TFR entry
9/16/2026
47m
△ Low approach-stability score
9/16/2026
37m
No alerts
9/16/2026
1h 13m
No alerts
9/16/2026
1h 5m
No alerts
9/15/2026
40m
No alerts
9/15/2026
47m
△ Low approach-stability score
9/15/2026
34m
No alerts
9/15/2026
1h 36m
No alerts
9/14/2026
19m
No alerts
9/14/2026
41m
No alerts
9/14/2026
57m
No alerts
9/14/2026
17m
No alerts
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