Figure 58: List of inconsistent flight heads.
Figure 60: First point coordinates.
Figure 61: Last point coordinates.
Figure 63: Flight legs at midnight.
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By Nicu Stancioi April 2002
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Import ETMS tool’s goal is to convert a list of many flights provided by ETMS application into the standard predefined AERO2K structure.
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The ETMS application generates two text files for a period of time. These files have always the following names:
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Flight.txt – the flight heads.
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Flight_chord.txt – the flight legs.
A flight head that is saved in Flight.txt contains general information about a flight such as the call sign, departure time, arrival time, aircraft type, departure and arrival airports, etc. Each flight head has an associated list of flight legs, which represent the flight’s status in different moments. These legs can be found in Flight_chord.txt file. A flight leg describes the flight’s status through its latitude, longitude, elevation, ground speed, etc. The structure of the two text files is given in the next paragraphs.
2.1. ETMS flight heads text file (Flight.txt)
Flight.txt contains flights for one or several consecutive days. Its structure is shown in Table 55.
Table 55: ETMS traffic text file.
Nr Field Name Description
1 Init_char Currently not used
2 Flight_key Combination of the ETMS-generated flight_UID and the flight_id
3 Flight_date The date that the flight was operated
4 Flight_uid The flight identifier to ETMS
Flight_id "User friendly" identifier for the flight
6 First_msg_time The timestamp of the flight's first message
7 First_msg_code The internal numeric message type for the first message (for debugging only)
8 Last_msg_time The timestamp of the flight's last message
9 Last_msg_code The internal numeric message type for the last message (for debugging only)
Msg_count Number of messages received for the flight
11 Schd_dep_airport The scheduled departure airport
12 Schd_arr_airport The scheduled arrival airport
13 Schd_dep_time The scheduled departure time
14 Schd_arr_time The scheduled arrival time
Time1 Unused
16 Time2 Unused
17 Plan_dep_center Single code character for the Air Traffic Control of the planned departure airport
18 Plan_dep_time The estimated time of departure for the planned departure airport
19 Plan_arr_center Single code character for the Air Traffic Control of the planned arrival airport
Plan_arr_time The estimated time of arrival for the planned arrival airport
21 Act_dep_center Single code character for the Air Traffic Control of the actual departure airport
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本文链接地址：AERO2K Flight Movement Inventory Project Report(54)
