# Commission Implementing Regulation (EU) No 923/2012 of 26 September 2012 laying down the common rules of the air and operational provisions regarding services and procedures in air navigation and amending Implementing Regulation (EU) No 1035/2011 and Regulations (EC) No 1265/2007, (EC) No 1794/2006, (EC) No 730/2006, (EC) No 1033/2006 and (EU) No 255/2010 (Text with EEA relevance), Division (e): If radio contact is established during interception but communication in a common language is not possible, attempts shall be made to convey instructions, acknowledgement of instructions and essential information by using the phrases and pronunciations in Table S11-3 and transmitting each phrase twice:

Extent: E+W+S+N.I.

Table S11-3
In the second column, syllables to be emphasised are underlined.
The call sign required to be given is that used in radiotelephony communications with air traffic services units and corresponding to the aircraft identification in the flight plan.
Circumstances may not always permit, nor make desirable, the use of the phrase ‘HIJACK’.
Phrases for use by INTERCEPTING aircraft
Phrases for use by INTERCEPTED aircraft
Phrase
Pronunciation
Meaning
Phrase
Pronunciation
Meaning
CALL SIGN
KOL SA-IN
What is your call sign?
CALL SIGN
(call sign)
KOL SA-IN
(call sign)
My call sign is (call sign)
FOLLOW
FOL-LO
Follow me
WILCO
VILL-KO
Understood, will comply
DESCEND
DEE-SEND
Descend for landing
Will comply
CAN NOT
KANN NOTT
Unable to comply
YOU LAND
YOULAAND
Land at this aerodrome
REPEAT
REE-PEET
Repeat your instruction
AM LOST
AMLOSST
Position unknown
PROCEED
PRO-SEED
You may proceed
MAYDAY
MAYDAY
I am in distress
HIJACK
HI-JACK
I have been hijacked
LAND
(place name)
LAAND
(place name)
I request to land at
(place name)
DESCEND
DEE-SEND
I require descent

---
Source: https://www.legislation.gov.uk/eur/2012/923/annex/section/11/division/SERA.11015/division/e (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-923/annex/section-11/division-SERA.11015/division-e
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.