OBS NOTAM Contractions Abbreviation

Also known as: obs.

OBS has various meanings in the NOTAM Contractions category. Discover the full forms, definitions, and usage contexts of OBS in NOTAM Contractions.

Observation

Most Common

Measurement of altitude and bearing of a heavenly body. Measurement of tidal phenomena

NOTAM Contractions
Obscure

Not clearly understood. To make difficult to see.

NOTAM Contractions
Obstruction

In a chart, signifies something below chart datum that is a possible menace'to navigation

NOTAM Contractions

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