Grumman E-1 Tracer

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E-1 (WF) Tracer
E-1B Tracer
General information
Type	Carrier-based airborne early warning
National origin	United States
Manufacturer	Grumman
Primary user	United States Navy
Number built	88
History
Introduction date	1960
First flight	17 December 1956
Retired	1977
Developed from	Grumman C-1 Trader

The Grumman E-1 Tracer (WF prior to 1962) was the first purpose-built airborne early warning aircraft used by the United States Navy. It was a derivative of the Grumman C-1 Trader and entered service in 1960. It was replaced by the more modern Grumman E-2 Hawkeye by the mid-1960s-1970s.