skywrite in British English
(ˈskaɪˌraɪt) verbWord forms: -writes, -writing, -wrote or -written (intransitive) to write a message in the sky with smoke trails from an aircraft.
How is Skytyping done?
Skywriting is done by one plane that can generally write up to six characters, with a skilled pilot at times maneuvering upside down as they decide when smoke is needed for the letters. Five to seven planes are needed for longer messages (up to thirty characters) so that the entire message is visible at once.
What does the term periodically refer to?
1 : at regular intervals of time. 2 : from time to time : frequently.
