.
 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