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A900 vs Watchkeeper WK450

A900 vs Watchkeeper WK450 at a glance — top speed 100 vs 143 km/h, range 200 vs 150 km, max takeoff weight 25 vs 485 kg.

Specifications
A900 Watchkeeper WK450
Origin country 🇪🇸 Spain 🇬🇧 United Kingdom
Category Military Drones Military Drones
Manufacturer Alpha Unmanned Systems Thales UK
First flight -- 14 April 2010
Year introduced 2021 2019
Number produced N/A 54 units
Average unit price $300K $25 million
Wingspan 2.1 m 10.9 m
Length 1.8 m 6.5 m
Maximum speed 100 km/h 143 km/h
Operational range 200 km 150 km
Service ceiling 3,000 m 4,900 m
Max. takeoff weight 25 kg 485 kg
Empty weight -- kg 300 kg
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the A900 or Watchkeeper WK450?
The Watchkeeper WK450 is faster with a maximum speed of 143 km/h compared to the A900's 100 km/h, a difference of 43 km/h.
Which has longer range, the A900 or Watchkeeper WK450?
The A900 has a longer range at 200 km compared to the Watchkeeper WK450's 150 km.
Which can fly higher, the A900 or Watchkeeper WK450?
The Watchkeeper WK450 has a higher service ceiling at 4,900 meters (16,076 ft) compared to the A900's 3,000 meters (9,842 ft).
Which is heavier, the A900 or Watchkeeper WK450?
The Watchkeeper WK450 has a higher maximum takeoff weight at 485 kg compared to the A900's 25 kg.
Which is larger, the A900 or Watchkeeper WK450?
The Watchkeeper WK450 is longer at 6.5 meters compared to the A900's 1.8 meters.
Which is more expensive, the A900 or Watchkeeper WK450?
The Watchkeeper WK450 is more expensive at approximately $25 million per unit compared to the A900 at $0.3 million.
Which entered service first, the A900 or Watchkeeper WK450?
The Watchkeeper WK450 entered service first in 2019, 2 years before the A900 which entered service in 2021.