observation flight

18 LETTERS · STARTS WITH O

observation flight is a valid 18-letter word worth 29 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

O1B3S1E1R1V4A1T1I1O1N1F4L1I1G2H4T1

1 + 3 + 1 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 2 + 4 + 1 =29 PTS

DOUBLE WORD → 58TRIPLE WORD → 87

MEANING

What does observation flight mean?