NPAS London EC135 hovering & circling around with awesome sound

North West Air Ambulance Eurocopter EC135 Taking Off From Car Crash

Awesome Helicopter Siren - NPAS Eurocopter Lifting Off With Ground Support

Flying the London Heli Routes - over Central London at Night - R66 Helicopter Flight

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NPAS London EC145 hovering above at night

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Amazing Eurocopter EC135 flight display - Germany Air Force

RARE EC135 Hermes edition landing, engine startup and takeoff at London Heliport G-SENS

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H145 VIP helicopter landing, engine start and takeoff at London Heliport M-AJOR

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AMAZING SOUND! NPAS London EC135 circling above my house

35 BIG PLANE Late Night TAKEOFFS at HONG KONG | Hong Kong Airport Plane Spotting [HKG/VHHH]

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Executive Helicopters AS365N Dauphin landing & takeoff at London Heliport EI-PRO

Huey gunships and Cobra Attack Helicopter