Model Variants (Including Prototypes)
XS2F-1 - Original USN Designation
TF-1 - Original Designation for initial production examples based on S2F Tracker model; redesignated to C-1A beginning in 1962; 87 examples produced.
TF-1Q - Four Electronic Countermeasures Conversion Models of TF-1 production examples; redesignated to EC-1A beginning in 1962.
C-1A - Redesignation of TF-1 production models beginning in 1962.
EC-1A - Redesignation of TF-1Q Electronic Countermeasures production models beginning in 1962.
TF-1W - Airborne Early Warning derivative becoming the WF-2 (E-1) Tracer.