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Jet Blast is defined as the force or wind generated behind a jet engine, particularly on or before take-off when high/full power is set, but also when the aircraft is taxiing.
Jet Blast can be hazardous to other aircraft, particularly light aircraft, and people in the vicinity of the aircraft and can cause damage to equipment, buildings, and pavement surfaces.
For further information, see the longer article "Jet Efflux Hazard"
Turboprop engines, especially on large transport aircraft, can also produce significant winds behind them when operating at high power. this phenomenon is known as "Prop Wash"
- Jet Efflux Hazard
- Applying Take-off Thrust On Unsuitable Pavement Surface May Have Hidden Dangers - article published in ICAO Journal, No.3 2004, by Bertrand de Courville & Jean-Jacques Thisselin, Air France.