E — SUPPLEMENTARY INFORMATION BY ATS UNIT CONCERNED

1.  Receipt of report a) Report received via AFTN / radio / telephone / other (specify)* ______________________________ b) Report received by __________________________________ (name of ATS unit)
2.  Details of ATS action

Clearance, incident seen (radar/visually, warning given, result of local enquiry, etc.)
DIAGRAMS OF AIRPROX
Mark passage of other aircraft relative to you, in plan on the left and in elevation on the right, assuming YOU are at the centre of each diagram.  Include first sighting and passing distance.

* Delete as appropriate
A4-6  Rules of the Air and Air Traffic Services (PANS-RAC) 
2. Instructions for the completion of the air traffic incident report form 
Item 
A  Aircraft identification of the aircraft filing the report. 
B  An AIRPROX report should be filed immediately by radio. 
C1  Date/time UTC and position in bearing and distance from a navigation aid or in LAT/LONG. 
C2  Information regarding aircraft filing the report, tick as necessary. 
C2 c)  E.g. FL 350/1 013 hPa or 2 500 ft/QNH 1 007 hPa or 1 200 ft/QFE 998 hPa. 
C3  Information regarding the other aircraft involved. 
C4  Passing distance — state units used. 
C6  Attach additional papers as required. The diagrams may be used to show aircraft's positions. 
D1 f)  State name of ATS unit and date/time in UTC. 
D1 g)  Date and time in UTC. 
E2  Include details of ATS unit such as service provided, radiotelephony frequency, SSR Codes assigned and 
altimeter setting. Use diagram to show the aircraft's position and attach additional papers as required. 

APPENDIX 5. CONTROLLER-PILOT DATA LINK
COMMUNICATIONS (CPDLC) MESSAGE SET

1.
Uplink messages

2.
 Downlink messages

PANS-RAC (Doc 4444) A5-1
1. Uplink messages
Table A5-1. Responses/acknowledgements (uplink)

Message intent/use  Message element  URG  ALRT  RESP 
0  Indicates that ATC cannot comply with the request.  UNABLE  N  M  N 
1  Indicates that ATC has received the message and will respond.  STANDBY  N  L  N 
2  Indicates that ATC has received the request but it has been deferred until later.  REQUEST DEFERRED  N  L  N 
3  Indicates that ATC has received and understood the message.  ROGER  N  L  N 
4  Yes.  AFFIRM  N  L  N 
5  No.  NEGATIVE  N  L  N 
235  Notification of receipt of unlawful interference message.  ROGER 7500  U  H  N 
211  Indicates that ATC has received the request and has passed it to the next control authority.  REQUEST FORWARDED  N  L  N 
218  Indicates to the pilot that the request has already been received on the ground.  REQUEST ALREADY RECEIVED  L  N  N 

Table A5-2. Vertical clearances (uplink)
Message intent/use  Message element  URG  ALRT  RESP 
6  Notification that a level change instruction should be expected.  EXPECT (level)  L  L  R 
7  Notification that an instruction should be expected for the aircraft to commence climb at the specified time.  EXPECT CLIMB AT (time)  L  L  R 
8  Notification that an instruction should be expected for the aircraft to commence climb at the specified position.  EXPECT CLIMB AT (position)  L  L  R 

No. 2

Message intent/use  Message element  URG  ALRT  RESP 
　
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