A Boeing CH-47 basking in the evening sun. Tagged on Instagram by ruben_de_hair__images
Last chance! An Austrian Air Force Aérospatiale Alouette III streaks past on its way into the history books. Tagged on Instagram by earth_and_sky_photo
An ADAC Airbus Helicopters H145 prepares for hoisting. Tagged on Instagram by pb_helimedia
A Czech Air Ambulance Airbus Helicopters H135 takes part in a flood rescue exercise. Tagged on Instagram by @michalfanta.cz
A Royal Navy Leonardo Helicopters AW101 Merlin. Tagged on Instagram by shutterup_aviation
A Royal Navy Leonardo Helicopters Merlin Mk4 navigating Dartmoor in the U.K. Tagged on Instagram by shutterup_aviation
A Belgian Air Force NH-90 crew conducting hoist training. Submitted via Facebook by David Van Bouwel
A U.S. Coast Guard MH-65 Dolphin in the hover. Submitted on Facebook by Matt Udkow
A Heli-TV SA 315B lama helicopter in the mountains. From Instagram user @y.ahlers
Two Spanish military NH90s low over the coast. From Instagram user @halcon05photo
A Leonardo Helicopters AW139 of the Salvamento Maritimo over the Spanish surf. From Instagram user @isantiagofoto
A German Army Airbus Helicopters H145M. From Instagram user @aviation_jb
An RNLAF Airbus Helicopters AS532 Cougar. From Instagram user @nb_aviation_photos
A Bell UH-1 Huey breaks out of formation in South Africa. From Instagram user @raynosnymanphotography