Tag Archives: airplane

What Is That Hole in the Tail of an Airplane?

What’s that hole in the tail? A giant screw hole for towing the aircraft? An air conditioning intake? It’s part of what’s called an auxiliary power unit. An airliner’s APU is a hidden extra engine, typically a gas turbine engine like jet … Continue reading

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Lockheed Martin unveils plans for supersonic passenger airplane

Lockheed Martin unveils plans for supersonic passenger airplane Continue reading

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