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King Air 350 vs X-31 EFM Vector

King Air 350 vs X-31 EFM Vector at a glance — top speed 578 vs 1,448 km/h, max takeoff weight 6,804 vs 7,303 kg, built 4,442 vs 2 units.

Beechcraft King Air 350 military special mission aircraft side profile drawing
🇺🇸 King Air 350Full specs
Rockwell-MBB X-31 EFM Vector military special mission aircraft side profile drawing
🇩🇪🇺🇸 X-31 EFM VectorFull specs
Specifications
King Air 350 X-31 EFM Vector
Origin country 🇺🇸 United States 🇩🇪 Germany🇺🇸 United States
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Beechcraft Rockwell-MBB
First flight 13 September 1988 11 October 1990
Year introduced 1990 --
Number produced 4442 units 2 units
Average unit price $7.8 million --
Wing area -- m² 21.0 m²
Wingspan 17.7 m 7.3 m
Height 4.4 m 4.4 m
Length 14.2 m 13.2 m
Maximum speed 578 km/h 1448 km/h
Operational range 3,345 km -- km
Service ceiling 10,668 m 12,192 m
Max. takeoff weight 6,804 kg 7,303 kg
Empty weight 4,516 kg 5,175 kg
Total thrust 2 x 783 kW 1 x 7,257 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the King Air 350 or X-31 EFM Vector?
The X-31 EFM Vector is faster with a maximum speed of 1,448 km/h compared to the King Air 350's 578 km/h, a difference of 870 km/h.
Which can fly higher, the King Air 350 or X-31 EFM Vector?
The X-31 EFM Vector has a higher service ceiling at 12,192 meters (40,000 ft) compared to the King Air 350's 10,668 meters (35,000 ft).
Which is heavier, the King Air 350 or X-31 EFM Vector?
The X-31 EFM Vector has a higher maximum takeoff weight at 7,303 kg compared to the King Air 350's 6,804 kg.
Which is larger, the King Air 350 or X-31 EFM Vector?
The King Air 350 is longer at 14.2 meters compared to the X-31 EFM Vector's 13.2 meters.
Which has been built in greater numbers, the King Air 350 or X-31 EFM Vector?
The King Air 350 has been produced in greater numbers with 4,442 units compared to 2 units of the X-31 EFM Vector.