★ FAMOUSSpace & science

Stratolaunch Roc

The widest aircraft ever built — a twin-fuselage giant that launches rockets

Tail number N351SL

Stratolaunch Roc
Photo: Wikimedia Commons

The story

The largest wingspan of any aircraft ever flown — 385 feet, wider than a football field is long. Roc is two fuselages sharing one colossal wing, built to carry hypersonic test vehicles to launch altitude. It flies rarely, from Mojave, and every flight is an event.

Fun fact

Roc's wingspan beats the Spruce Goose by 65 feet — and it taxis on 28 wheels.

Quick answers

What is the tail number of Stratolaunch Roc?

N351SL (Scaled Composites 351).

What kind of aircraft is Stratolaunch Roc?

Scaled Composites 351.

Is it still flying?

Yes, it is still active.

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