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S-2 Tracker vs X-31 EFM Vector

Grumman S-2 Tracker military special mission aircraft side profile drawing
🇺🇸 S-2 Tracker
Rockwell-MBB X-31 EFM Vector military special mission aircraft side profile drawing
🇩🇪🇺🇸 X-31 EFM Vector
Change comparison vs
Specifications
S-2 Tracker X-31 EFM Vector
Origin country 🇺🇸 United States 🇩🇪 Germany🇺🇸 United States
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Grumman Rockwell-MBB
First flight 4 November 1952 11 October 1990
Year introduced 1954 --
Number produced 1284 units 2 units
Average unit price -- --
Wing area 45.0 m² 21.0 m²
Wingspan 22.2 m 7.3 m
Height 5.4 m 4.4 m
Length 13.3 m 13.2 m
Maximum speed 450 km/h 1448 km/h
Operational range 2,172 km -- km
Service ceiling 6,706 m 12,192 m
Max. takeoff weight 11,860 kg 7,303 kg
Empty weight 8,308 kg 5,175 kg
Total thrust 2 x 1,137 kW 1 x 4,808 kgf
Performance Radar Chart

Overview

The S-2 Tracker and the X-31 EFM Vector are both Military Special Mission Aircraft, manufactured by Grumman and Rockwell-MBB respectively.

The X-31 EFM Vector reaches 1,448 km/h — 3.2:1 the S-2 Tracker's 450 km/h. The X-31 EFM Vector operates at altitudes up to 12,192 m compared to 6,706 m for the S-2 Tracker.

The S-2 Tracker has been produced in 1,284 units vs 2 for the X-31 EFM Vector. The S-2 Tracker first flew 38 years before the X-31 EFM Vector (1952 vs 1990).

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Frequently Asked Questions

Which is faster, the S-2 Tracker or X-31 EFM Vector?
The X-31 EFM Vector is faster with a maximum speed of 1,448 km/h compared to the S-2 Tracker's 450 km/h, a difference of 998 km/h.
Which has longer range, the S-2 Tracker or X-31 EFM Vector?
The S-2 Tracker has a longer range at 2,172 km compared to the X-31 EFM Vector's 0 km.
Which can fly higher, the S-2 Tracker 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 S-2 Tracker's 6,706 meters (22,001 ft).
Which is heavier, the S-2 Tracker or X-31 EFM Vector?
The S-2 Tracker has a higher maximum takeoff weight at 11,860 kg compared to the X-31 EFM Vector's 7,303 kg.
Which is larger, the S-2 Tracker or X-31 EFM Vector?
The S-2 Tracker is longer at 13.3 meters compared to the X-31 EFM Vector's 13.2 meters.
Which has been built in greater numbers, the S-2 Tracker or X-31 EFM Vector?
The S-2 Tracker has been produced in greater numbers with 1,284 units compared to 2 units of the X-31 EFM Vector.