· ICAO24 4b4e52· last seen 4d ago

HB-2475 is a Laversab LAE-1. SkyMeter has tracked 24 flights totalling 46 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is LSZO to LSZC. Service window in our records spans 376 days. The Laversab LAE-1 has a maximum takeoff weight of 55 lb, light wake category.

About the Laversab LAE-1

The Laversab LAE-1 is a lightweight electric unmanned aircraft designed specifically for ADS-B and transponder system testing, representing a specialized niche in aviation infrastructure maintenance. Developed by Laversab, a company known for avionics test equipment, the LAE-1 serves as a flying calibration platform that allows ground-based surveillance systems to verify their accuracy against a known airborne target with precise position reporting. Weighing just 55 pounds at maximum takeoff weight, this small drone operates at low speeds and altitudes to simulate aircraft targets for radar and ADS-B receiver site commissioning and periodic validation.

The concentration of Swiss HB- registrations reflects the type's adoption by flight inspection service providers in Europe, where regulatory requirements mandate regular calibration of air traffic surveillance infrastructure. Unlike traditional flight inspection aircraft that carry complex avionics suites and require professional flight crews, the LAE-1 offers a cost-effective alternative for specific testing scenarios where a simple, repeatable target is needed. Its electric propulsion system enables quiet operation and eliminates the logistical complexity of fuel handling during extended ground-based testing campaigns at remote navigation aid sites.

SkyMeter has tracked flights across airframes and operators, covering routes.

FLIGHTS
24
all time
FLOWN HOURS
46
tracked time
📍
AIRPORTS VISITED
7
unique
📡
CALLSIGNS
2
8 routes
📅
SERVICE PERIOD
08/11/2025 → 08/23/2026
first → last
INCIDENT RATE
0.0%
0 flagged

Top routes

By flight count

3
2
2
1

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Laversab LAE-1

Engines
Single Electric
MTOW
55 lb
Wake category
L

Recent flights

Newest 23 operations of HB-2475

23
08/23/2026
2h 26m
No alerts
05/23/2026
1h 3m
No alerts
05/23/2026
1h 3m
No alerts
04/24/2026
2h 22m
No alerts
04/21/2026
9m
No alerts
04/21/2026
7m
No alerts
04/21/2026
1h 27m
No alerts
04/21/2026
3h 2m
No alerts
04/20/2026
2h 18m
No alerts
04/20/2026
3h 47m
No alerts
04/20/2026
9m
No alerts
04/16/2026
25m
No alerts
04/16/2026
4h 0m
No alerts
04/16/2026
2h 58m
No alerts
04/06/2026
2h 17m
No alerts
04/04/2026
1h 19m
No alerts
08/24/2025
2h 46m
No alerts
08/11/2025
10m
No alerts
08/11/2025
44m
No alerts
08/11/2025
1h 55m
No alerts
08/11/2025
12m
No alerts
08/11/2025
43m
No alerts
08/11/2025
1h 9m
No alerts
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