The 2 seats in an F-14 are for the pilot and the RIO -(Radio Intercept Officer)
The F4 Phantom II did over 1,500 mph. If you meant F14 that was a post Viet War jet called the F14 Tomcat.
f14
Tomcat
There are many different kinds of seats in the world. There are millions of different kinds of seats in the world.
f1 to f14
F14
Mach 2.34 (1,544mph)
F13 = {Shift Key}+F1 F14 = {Shift Key}+F2 F15 = {Shift Key}+F3 etc.
F14 Tomcat
"How are state capitals and county seats alike and different?"
Formula
Grumman Aerospace built the F-14