(
13
Message Type, Number
Aircraft Identification and SSR
Departure Aerodrome
– –
and Reference Data Mode and Code and Time
– – – – –
14
16
Estimate Data
Destination Aerodrome and Total Estimated Elapsed Time, – –
)
Alternate Aerodrome(s)
– – – – –
2.4.2.2 Example
The following is an example of an estimate message sent from Paris Centre to London Centre. It is assumed that London Centre has received a filed flight plan message relating to this flight. Both centres are equipped with computers.
(ESTP/L027-BAW671/A5631-LFPG-ABB/1548F140F110A-EGLL)
2.4.2.2.1 Meaning
Estimate message [with sending unit identity (P) and receiving unit identity (L), followed by the serial number of this message (027)] — aircraft identification BAW671, last assigned SSR Code 5631 operating in Mode A — departure aerodrome Paris de Gaulle — estimating Abbeville VOR 1548 UTC, cleared FL 140, flight will cross the Abbeville VOR at FL 110 or above, ascending — destination aerodrome London.
2.4.3 Co-ordination (CDN) message
2.4.3.1 Composition
3 7
(
13
Message Type, Number
Aircraft Identification and SSR
Departure Aerodrome
– –
and Reference Data Mode and Code and Time
16
– Destination Aerodrome and Total Estimated Elapsed Time, Alternate Aerodrome(s)
– – – – – – – – – – – – – –
22 22
– Amendment
Amendment
– – – – – – – – – –
etc. (using more than one
)
line if necessary)
2.4.3.2 Example
The following is an example of a co-ordination message sent from Prestwick Centre to Dublin Centre proposing changes to the conditions under which an aircraft should cross the Dublin/Prestwick boundary. Prestwick has received a current flight plan message from Dublin and both centres are equipped with ATC computers.
(CDNP/D098D/P036-BAW617/A5136-EIDW-EGPK-14/GRN/1735F210F130A)
2.4.3.2.1 Meaning
Co-ordination message — Prestwick and Dublin ATC computer unit identifiers, P and D, followed by serial number (098) of this message sent by Prestwick, followed by analogous data identifying the current flight plan message sent from Dublin to which it is related (D/P036) — aircraft identification BAW617/SSR Code 5136 operating in Mode A — en route from Dublin to Prestwick — Field Type 14 is the subject of the proposal, i.e. Prestwick will accept the flight at the boundary point GRN at 1735 UTC and crossing the boundary point at or above FL 130 climbing to a cleared level of FL 210.
2.4.4 Acceptance (ACP) message
2.4.4.1 Composition
3 7
(
13
Message Type, Number
Aircraft Identification and SSR
Departure Aerodrome
– –
and Reference Data Mode and Code and Time
16
– Destination Aerodrome and Total Estimated Elapsed Time, Alternate Aerodrome(s)
)
2.4.4.2 Example
The following is an example of an acceptance message sent from London Centre to Paris Centre relating to a current flight plan message which London has received from Paris. It is assumed that both centres are equipped with ATC computers. (ACPL/P086P/L142-EIN065/A4570-LFPO-EGLL)
2.4.4.2.1 Meaning
Acceptance message — London and Paris computer unit identifiers, L and P, followed by serial number (086) of this message sent by London, followed by analogous data identifying the current flight plan message sent from Paris, to which it is related (PL142) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：Rules of the Air and Air Traffic Services(155)
