aircraft will commence movement associated with departure. INSERT the entire route in accordance with Item 15 (c) of the ICAO flight plan.
ITEM O: ROUTE
ITEM P: DESTINATION AERODROME AND TOTAL ESTIMATED ELAPSED TIME
(Item 15 of the ICAO flight plan) (Item 16 of the ICAO flight plan) (a) Cruising speed

INSERT  location indicator of the destination aerodrome.
INSERT  the true airspeed for the first or whole cruising portion of the flight in accordance with Item 15 (a) INSERT the total estimated elapsed time. of the ICAO flight plan.
ITEM Q: REMARKS

(b) Cruising level
INSERT  items of information as required by the appropriate
INSERT  the planned cruising level for the first or whole ATS authority, items normally notified in Item 18 of portion of the route in accordance with Item 15 (b) the ICAO flight plan and any other information of the ICAO flight plan. pertinent to the flight of concern to ATS.
8. Example of a completed repetitive flight plan (RPL) listing form

APPENDIX 3. AIR TRAFFIC SERVICES MESSAGES
1.
Message contents, formats and data conventions

2.
Examples of ATS messages

PANS-RAC (Doc 4444) A3-1
1. Message contents, formats and data conventions

Note.— To facilitate description of the content and format of air traffic services messages, both for interchange between units without automatic data processing equipment and for interchange between air traffic control computers, the elements of data to be included in the message are grouped into “fields”. Each field contains a single element or a group of related elements.
1.1 The standard types of message

1.1.1 The standard types of message established for the interchange of ATS data, together with the associated Message Type Designators, are as follows:
Message category  Message type  Message type designator 
Emergency  Alerting Radio communication failure  ALR RCF 
Filed flight plan and associated update  Filed flight plan Modification Cancellation Delay Departure Arrival  FPL CHG CNL DLA DEP ARR 
Co-ordination  Current flight plan Estimate Co-ordination Acceptance Logical acknowledgement  CPL EST CDN ACP LAM 
Supplementary  Request flight plan Request supplementary flight plan Supplementary flight plan  RQP RQS SPL 

1.2  The standard types of field

1.2.1 The standard fields of data permitted in ATS messages are as shown in the following table. The numbers in column 1 correspond with those in the reference table on page A3-30.
Field type  Data 
3  Message type, number and reference data 
5  Description of emergency 
7  Aircraft identification and SSR Mode and Code 
8  Flight rules and type of flight 
9  Number and type of aircraft and wake turbulence category 
10  Equipment 
13  Departure aerodrome and time 
14  Estimate data 
15  Route 
16  Destination aerodrome and total estimated elapsed time, alternate aerodrome(s) 
17  Arrival aerodrome and time 
18  Other information 
19  Supplementary information 
20  Alerting search and rescue information 
21  Radio failure information 
22  Amendment 

1.3  Composition of the standard types of message

1.3.1 The composition of each standard type of message, expressed as a standardized sequence of fields of data, shall be as prescribed in the reference table on page A3-30. Each message shall contain all the fields prescribed.
1.4  Composition of the standard types of field
　
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