1) Convertaplane 2) Stol
Found on
https://www.crosswordclues.com/clue/convertiplane
A convertiplane in popular usage is an aircraft that converts in flight to change its method of obtaining lift. The FAI define it more narrowly as an aircraft which uses rotor power for vertical takeoff and landing (VTOL) and converts to fixed-wing lift in normal flight. This is the definition used here. ==Types of convertiplane== Convertiplanes m...
Found on
http://en.wikipedia.org/wiki/Convertiplane
(from the article `helicopter`) Other types of vertical-takeoff aircraft include convertiplanes. There are two types of V/STOL (vertical- or short-takeoff-and-landing) aircraft that ...
Found on
http://www.britannica.com/eb/a-z/c/137
Vertical takeoff and landing craft (VTOL) with rotors on its wings that spin horizontally for takeoff, but tilt to spin in a vertical plane for forward flight. At takeoff it looks like a two-rotor helicopter, with both rotors facing skywards. As forward speed is gained, the rotors tilt slowly forward until they are facing directly ahead. There ...
Found on
https://www.encyclo.co.uk/local/21221
a plane capable of both vertical flight like a helicopter and fast, forward speed like a conventional airplane.
Found on
https://www.infoplease.com/dictionary/convertiplane
No exact match found.
