Gate Closure Levels & Codes

Name	Code
Out Monitored	O M
Out Halted	O H
Out and In Monitored	O-I M
Out and In Halted	O-I H

NATO Phonetic Alphabet

Letter	Letter Code word	US Army Standard	ICAO and ITU Roman standard	ICAO IPA
H	Hotel	HO tell	HOH TELL	hoːˈtel
I	India	IN dee ah	IN DEE AH	ˈindiˑɑ
M	Mike	Mike	MIKE	mɑik
O	Oscar	OSS car	OSS CAH	ˈɔskɑ

Please be attentive to your radios: in case of Emergency Response you will be instructed to close (or open) the Gate to traffic according to the codes above.