GM1 SERA.14035(a)(1) Transmission of numbers in radiotelephony    

CAA ORS9 Decision No. 1

CALL SIGN, HEADING, RUNWAY ANDWIND

The following examples illustrate the application.

aircraft call signs	transmitted as
CCA 238	Air China two three eight
OAL 242	Olympic two four two

headings	transmitted as
100 degrees	heading one zero zero
080 degrees	heading zero eight zero
runway transmitted as
27	runway two seven
30	runway three zero
wind direction and speed	transmitted as
200 degrees 70 knots	wind two zero zero degrees seven zero knots
160 degrees 18 knots gusting 30 knots	wind one six zero degrees one eight knots gusting three zero knots