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Boeing 707 vs E-6 Mercury TACAMO

Boeing 707 vs E-6 Mercury TACAMO at a glance — top speed 1,010 vs 966 km/h, range 5,400 vs 12,000 km, max takeoff weight 151,318 vs 155,128 kg, built 865 vs 16 units.

Boeing 707 military special mission aircraft side profile drawing
🇺🇸 Boeing 707
Boeing E-6 Mercury TACAMO military special mission aircraft side profile drawing
🇺🇸 E-6 Mercury TACAMO
Specifications
Boeing 707 E-6 Mercury TACAMO
Origin country 🇺🇸 United States 🇺🇸 United States
Category Military Special Mission Aircraft Military Special Mission Aircraft
Manufacturer Boeing Boeing
First flight 15 July 1954 19 February 1987
Year introduced 1958 1989
Number produced 865 units 16 units
Average unit price $35 million $141 million
Wingspan 44.5 m 45.2 m
Height 13.0 m 12.9 m
Length 46.4 m 45.8 m
Maximum speed 1010 km/h 966 km/h
Operational range 5,400 km 12,000 km
Service ceiling 13,000 m 12,192 m
Max. takeoff weight 151,318 kg 155,128 kg
Empty weight 66,406 kg 78,378 kg
Total thrust 4 x 8,618 kgf 4 x 11,213 kgf
Performance Radar Chart
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Frequently Asked Questions

Which is faster, the Boeing 707 or E-6 Mercury TACAMO?
The Boeing 707 is faster with a maximum speed of 1,010 km/h compared to the E-6 Mercury TACAMO's 966 km/h, a difference of 44 km/h.
Which has longer range, the Boeing 707 or E-6 Mercury TACAMO?
The E-6 Mercury TACAMO has a longer range at 12,000 km compared to the Boeing 707's 5,400 km.
Which can fly higher, the Boeing 707 or E-6 Mercury TACAMO?
The Boeing 707 has a higher service ceiling at 13,000 meters (42,650 ft) compared to the E-6 Mercury TACAMO's 12,192 meters (40,000 ft).
Which is heavier, the Boeing 707 or E-6 Mercury TACAMO?
The E-6 Mercury TACAMO has a higher maximum takeoff weight at 155,128 kg compared to the Boeing 707's 151,318 kg.
Which is larger, the Boeing 707 or E-6 Mercury TACAMO?
The Boeing 707 is longer at 46.4 meters compared to the E-6 Mercury TACAMO's 45.8 meters.
Which is more expensive, the Boeing 707 or E-6 Mercury TACAMO?
The E-6 Mercury TACAMO is more expensive at approximately $141 million per unit compared to the Boeing 707 at $35 million.
Which entered service first, the Boeing 707 or E-6 Mercury TACAMO?
The Boeing 707 entered service first in 1958, 31 years before the E-6 Mercury TACAMO which entered service in 1989.
Which has been built in greater numbers, the Boeing 707 or E-6 Mercury TACAMO?
The Boeing 707 has been produced in greater numbers with 865 units compared to 16 units of the E-6 Mercury TACAMO.