zero-zero /z..r.υ z..r.υ/ adjective
referring to flying conditions of thick, low cloud when a pilot can see nothing ahead and nothing above or below the aircraft
zonal /z.υn(.)l/ adjective referring to one of the five parts into which the Earth’s surface is divided by imaginary lines parallel to the equator . The circu-lation of air around the Earth is zonal in character.
zone /z.υn/ noun 1. an area with par-ticular features or purpose 2. an admin-istrative area of airspace . control zone
.
aerodrome traffic zone (ATZ) 3. one of five divisions into which the Earth’s surface is divided by imaginary lines parallel to the equator . temperate zone
.
climatic zone
zoom /zum/ verb to make an aircraft climb rapidly at a very steep angle, or move upwards in this way
Zulu time /zulu ta.m/ noun . Greenwich Mean Time
SUPPLEMENTS
The Phonetic Alphabet Standard words and phrases used in pilot communications Aircraft registration codes Airline codes Airport codes Local times around the world International dialling codes Standard symbols and abbreviations Weights and measures Conversion factors
The Phonetic Alphabet
Certain letters of the alphabet sound very similar, especially when a person is talking on the telephone or radio. The phonetic alphabet is designed to prevent confusion, by using a distinctive word to represent each letter.
Aa Alpha*
Bb Bravo
Cc Charlie
Dd Delta
Ee Echo
Ff Foxtrot
Gg Golf
Hh Hotel
Ii India
Jj Juliet
Kk Kilo
Ll Lima
Mm Mike
Nn November
Oo Oscar
Pp Papa
Qq Quebec
Rr Romeo
Ss Sierra
Tt Tango
Uu Uniform
Vv Victor
Ww Whisky**
Xx X-Ray
Yy Yankee
Zz Zulu
* Alfa in US English ** Whiskey in US English
lf. brɑv.υ t.ɑli delt. ek.υ
f.kstr.t .lf h.υtel .ndi. duliet kil.υ lim. ma.k n.vemb. .sk. pp. kw.bek
r.υmi.υ sier. tn.υ jun.f.m v.kt. w.ski
eksre. j.ki zulu.
Standard words and phrases
Word/Phrase
Acknowledge
Affirm
Approved
Cancel
Check
Cleared
Confirm
Contact
Correct
Correction
Disregard
How do you read?
I say again
Over
Out
Pass your message
Read back
Request
Roger
Say again
Speak slower
Standby
Verify
Wilco
Words Twice
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