Visitors take souvenir photos inside an Emirates Airbus A380 at the Dubai Airshow. Christopher Pike / The National

Ground crew park an Emirates Phenom 100E training jet during the Dubai Airshow. Christopher Pike / The National

Inside the business class cabin of a Qatar Airways Boeing 787 Dreamliner on static display at the Dubai Airshow. Christopher Pike / The National

A man gets out after trying a Diamond DA62 plane at the Dubai Airshow. Christopher Pike / The National

From left: UAE Air Force Brigadier General Saeed Al Ali, UAE Defence Ministry executive director of strategic analysis Major General Abdullah Al Hashimi and AgustaWestland chief executive announce the agreement to buy six AW609 tilt-rotor aircraft for search and rescue operations. Ali Haider / EPA

Visitors tour a Gulfstream G550 aircraft during the Dubai Airshow. Christopher Pike / The National

Visitors tour the cockpit of a Qatar Airways Boeing 787 Dreamliner during Dubai Airshow. Christopher Pike / The National

Secretary of the US air force Deborah Roche Lee James, right, and commander of the US air forces central command general Charles Brown during a press conference at the Dubai Airshow. Ali Haider / EPA

A view of the economy class cabin of a Qatar Airways Boeing 787 Dreamliner on display at the Dubai Airshow. Christopher Pike / The National

A ground crew parks an Emirates Cirrus SR22 training plane at the Dubai Airshow. Christopher Pike / The National

Above, inside the business class cabin of an Emirates Airbus A380. Christopher Pike / The National

Visitors walk past a Hammerhead drone on static display at the Dubai Airshow. Christopher Pike / The National

Vietjet officials Nguyen Thi Phoung Thao, right and Nguyen Thanh Ha, left, with Airbus chief John Leahy during the announcement of a deal for 30 A321 aircraft. Ali Haider / EPA

A visitor sits on the cockpit of a Royal Air Force BAE Systems Hawk 128 training jet. Christopher Pike / The National