Nick Upton / Glass eels, young European eel (Anguilla anguilla) elvers, packaged in insulated boxes at UK Glass Eels, being loaded into a light aircraft for transport to Germany for reintroduction projects, Glouce...

Ernie Janes / Man flying model plane, Chiltern Downland, Ivinghoe Hills, Buckinghamshire, UK, June 2014.

Bryan and Cherry Alexander / Lockheed C-130 Hercules transport plane equipped with skis coming in to land at Patriot Hills, with Antarctic Logistics and Expeditions staff watching, Antarctica.

Bertie Gregory / Aerial view out of float plane, of the Vancouver Island coastline, Vancouver Island, British Columbia, Canada, July.

Bertie Gregory / Float plane flying in front of the sunset, Vancouver Island, British Columbia, Canada, July.

Wild Wonders of Europe / Widstr / Microlight in flight over Arda river canyon, Madzharovo, Eastern Rhodope Mountains, Bulgaria, May 2013.

Wild Wonders of Europe / Widstr / Microlight in flight over Arda river canyon, Madzharovo, Eastern Rhodope Mountains, Bulgaria, May 2013.

Wild Wonders of Europe / Widstr / Steffan Widstrand photographer with microlight pilot in front of microlight, Madzharovo, Eastern Rhodope Mountains, Bulgaria, May 2013.

Tim Laman / Photographer Tim Laman in the front seat with pilot Max Ammer in ultralight float plane before take off to shoot aerials of the Raja Ampat Islands, West Papua, Indonesia. October 2010

Franco Banfi / Wreck of airplane B-24 Liberator, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Wreck of airplane B-24 Liberator, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Wreck of airplane B-24 Liberator, Vis Island, Croatia, Adriatic Sea, Mediterranean