
1) Critical 2) Job for a relay racer 3) Precarious 4) Risky 5) Uncertain
Found on
https://www.crosswordclues.com/clue/touch-and-go

Hopping on and off the table before the judges count is finished.
Found on
http://budhouston.wordpress.com/a-glossary-of-dog-agility-terms/
[Magazine song] Touch and Go is the second single of post-punk band Magazine, released on April 14, 1978. By the time, the debut album, Real Life, also was released. Unlike the previous single, Shot By Both Sides, the band recorded this material with the complete five line-up and with the keyboards added to the previous guitar-bass-drums so...
Found on
http://en.wikipedia.org/wiki/Touch_and_Go_(Magazine_song)

Landing practice in which an aircraft does not make a full stop after a landing, but proceeds immediately to another take-off.
Found on
http://www.aerofiles.com/glossary.html
NavalAn expression commonly used to mean uncertainty. It is of maritime origin and refers to a ship touching the sea-bottom and then slipping off.
Found on
http://www.britishempire.co.uk/glossary/t.htm

An operation by an aircraft that lands and departs on a runway without stopping or exiting the runway.
Found on
http://www.encyclo.co.uk/visitor-contributions.php

Landing practice wherein an aircraft does not make a full stop after a landing, but proceeds immediately to another take-off. This is a frequent practice when learning takeoffs and landings, provided the runway length is long enough to do so safely.
Found on
http://www.sportpilot.org/learntofly/glossary.html

The bottom of the ship touching the bottom, but not grounding.
Found on
http://www.translationdirectory.com/glossaries/glossary101.htm
No exact match found.