A Squirrel is a helicopter. A Twin Squirrel is one with two engines.
Turbine.

The Squirrel is (now) otherwise known as the Eurocopter AS350. The
Twin Squirrel is the AS355.

http://www.ukskies.co.uk/A/pages/Aer...win%20Squirrel.
htm
http://www.chapman-freeborn.com/www/...ers/TwinSq.htm
http://www.geocities.com/gwtc_99/bri...tsquirrel.html

Paul

"Robert Little" wrote in message
...
Okay, I'll bite. What is a "squirrel" or "twin squirrel"? R Little