Grumman E-1 Tracer


1st Flight 1956

Crew: 4 (2 flight crew with 2 radar/intercept controllers)

Length: 45 ft 4 in (13.82 m)

Wingspan: 72 ft 4 in (22.05 m)

Height: 16 ft 10 in (5.13 m)

Wing area: 506 sq ft (47.0 m2)

Airfoil: root: NACA 63A420; tip: NACA 63A415

Empty weight: 20,638 lb (9,361 kg)

Gross weight: 24,800 lb (11,249 kg)

Max takeoff weight: 26,600 lb (12,066 kg)

Powerplant: 2 × Wright R-1820-82A Cyclone 9-cylinder air-cooled radial piston engines, 1,525 hp (1,137 kW) each for take-off

Propellers: 3-bladed constant-speed reversible propellers


Maximum speed: 238 mph (383 km/h, 207 kn) at 4,000 ft (1,219 m)

Cruise speed: 163 mph (262 km/h, 142 kn)

Range: 1,035 mi (1,666 km, 899 nmi)

Endurance: 6 hours 50 minutes

Service ceiling: 15,800 ft (4,800 m)

Rate of climb: 1,120 ft/min (5.7 m/s)


The Grumman E-1 Tracer 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 1958.

It was replaced by the more modern Grumman E-2 Hawkeye by the 1970s.


aerodynamic prototype (BuNo 136792) without electronics, later rebuilt as a standard C-1A, retaining the twin tail.


The XTF-1W re-designated in the W-Warning category.


Production Airborne Early Warning version of the TF-1 Trader, redesignated E-1B in 1962, 88 built.


WF-2 redesignated in 1962.



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