aviation instrument

19 LETTERS · STARTS WITH A

aviation instrument is a valid 19-letter word worth 23 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

A1V4I1A1T1I1O1N1I1N1S1T1R1U1M3E1N1T1

1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does aviation instrument mean?