Test Aircraft No. BuNo. Role 1 157980 assinged to High speed flight trial but Crashed on its second flight due to both primary and secondary hydraulic failure 2 157981 Testing of the low speed regime and spin/stall test. Both wing and air intake was locked at fully open position 3 157982 Testing in the outer reach of performance envelope 4 157983 Sent to NAS point Mugu for weapon testing 5 157984 Sent to NAS point Mugu for weapon testing, having the honour of shooting it self down with an AIM-7E-2 6 157985 Sent to NAS point Mugu for weapon testing 7 157986 Later became the testbed for the F-14B 8 157987 Dog fight against the F-4J, also used in aerodynamic trials and production configuration 9 157988 NAS Point Mugu for radar evaluation 10 157989 Structural trials and carrier compatibility work. Crashed in June 30th 1972 killing Bob Miller who survived the Second Tomcat flight 11 157990 NAS Point Mugu for auxiliary weapons trials 12 157991 Replaces No. 1 for high speed trials 13 157992 anarchoic chamver work for compatability of the alectromagnetic systems 14 157993 maintenance and reliability work 15 157994 Pilot training aircraft 16 157995 Pilot training aircraft 17 157996 Replaced the No. 10 after it crashed, it was used for carrier compatibility 18 157997 Pilot training aircraft 19 157998 Pilot training aircraft 20 157999 Clamatic trials at NAS Point Mugu Other Test planes F-14D 161865 The first prototype of the F-14D Super Tomcat, used for AN/APG-71, communication, navigational and datalink testing. F-14D 161867 First to fly with the General Electric F110, evaluate radar navigation and TARP system. F-14D 162595 Test ECM, System and weapon integration. F-14D 161623 JTIDS, ECM and RWR testing, also fired live missiles and radar tests NF-14D 163145 Operated by VX-4, due to high degree of modification it was decided to keep them as test aircraft NF-14D 163146 Operated by VX-4, due to high degree of modification it was decided to keep them as test aircraft Sources Special thank to Elevon Aviation on the Net for its excellent data on Military fighters. "Grumman F-14 Tomcat" "The Vital Guide to military Aircraft"