Eclipse 400 ECJ

The single-engine jet concept built for owner-operators.

Overview

Eclipse United States ICAO: E400 2009–2009 Active $1.4 million

The Eclipse 400 ECJ was a proposed single-engine jet concept developed in the late 2000s. Intended to offer jet performance at lower cost, it targeted private owners. The project did not enter production.

Live Fleet Activity (E400)

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Specifications

Units
Engine
1 × Pratt & Whitney PW615F turbofan
Engine type
Turbofan
Thrust
1,200 lbf · 5 kN
Avionics
Avio NG avionics
Wing tips
No winglets
Seats
4
Crew
—
Cabin width
—
Cabin height
—
Cabin length
—
Exterior length
29 ft 0 in  ·  8.84 m
Tail height
8 ft 10 in  ·  2.69 m
Fuselage diameter
—
Wing span
36 ft 0 in  ·  10.98 m
Baggage volume
18 ft³  ·  0.5 m³
Gross weight
—
Empty weight
—
Max takeoff weight
4,800 lb  ·  2,200 kg
Max landing weight
—
Max payload
2,000 lb  ·  900 kg
Fuel capacity
Max cruise speed
345 kt  ·  397 mph  ·  639 km/h
Maximum speed
—
Cruise speed
—
Approach speed
—
Range
1,256 nm  ·  1,450 mi  ·  2,330 km
Fuel burn
14.60 nm/gal  ·  7.14 km/L
Ceiling
41,000 ft  ·  12,500 m
Rate of climb
—
Takeoff distance
2,450 ft  ·  740 m
Landing distance
2,800 ft  ·  850 m
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The Eclipse Concept Jet 400

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Operational Context

Eclipse 400 ECJ — proposed single-engine personal jet

The Eclipse 400 was announced in 2007 as a larger development of earlier Eclipse designs. It featured a composite fuselage and simplified systems. The aircraft was envisioned for short-range personal travel.

A single turbofan engine producing approximately 3,600 pounds of thrust (16 kN) was planned. Cruise speed was projected near 370 knots (685 km/h). Maximum takeoff weight was expected to exceed 8,000 pounds (3,629 kg).

The ECJ program was discontinued before completion. Market conditions and financial challenges limited progress. The aircraft remains a notable concept in light jet development.