(also viff) Aeronautics , informal
(Of a vertical take-off aircraft) change direction by altering the direction of thrust of the engines: the VSTOL Harrier with its ability to viff
More example sentences
- Harrier pilots do use the nozzles in air combat but I don't think to the extent viffing requires.
- Plaguewyrm 1 viffed to the right, underbelly thrusters bringing it in line to the Thunderbolt it was tailing.
- We use viffing, but it's more of a last-ditch than a standard manoeuvre.
1970s: acronym from vectoring in forward flight.
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