NORDO

In North American aviation, a NORDO aircraft is an aircraft flying without a radio. While sometimes used to denote small general aviation aircraft that are not equipped with a radio, the term is more commonly applied to aircraft that have experienced a radio failure while flying. The term originates from the 5-character uppercase abbreviated notat...
Found on http://en.wikipedia.org/wiki/NORDO

NORDO

abbreviation: Non radio aircraft
Found on http://www.encyclo.co.uk/local/20021

Nordo

No operative radio.
Found on http://www.f-16.net/glossary-N.html

NORDO

No radio. Aircraft without a radio or experiencing a radio failure.
Found on http://airodyssey.net/reference/glossary/
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