ATC-Sim
Commands

Spawning aircraft

Putting a single aircraft where you want it, and taking one off the scope again.

CommandMeaning
spawn <CALLSIGN> AT <POSITION> [<KEY> <VALUE> ...]Place a single aircraft
delete <CALLSIGN>Remove one aircraft
delete ALLRemove every aircraft
<CALLSIGN>, deleteRemove the aircraft you have selected

A session generates its own traffic. spawn and delete are what you need when you want to rehearse one particular situation instead of working a flow.

delete is the one command that uses your selection instead of ignoring it: with an aircraft selected, <CALLSIGN>, delete removes it without typing the callsign out.

While the simulation is paused, spawn is refused with a reply naming who paused it and since when. delete keeps working.

Position and keys

spawn DLH123 AT (48.3538, 11.7861) ALT FL100 HDG 220 TYPE A320 SQ 2000
spawn ROK1   AT ROKIL ALT FL120 HDG 180
spawn MINI   AT (48.5, 11.5)

The position is either a coordinate in parentheses, with , or ; as the separator (Aurora's right-click coordinate paste (48.78;11.31;) works as pasted), or the ident of a fix. A fix ident that exists more than once in the world resolves to the one nearest the airports your position works; a position the server has no airports on file for is asked to use the coordinate form instead.

Every key after the position is optional, may appear in any order, and may appear only once. TYPE takes any of the 213 aircraft types the server flies.

KeyExampleDefaultWhat it is
ALT FL<N> / ALT <FT>FTALT FL120FL100Initial altitude. The value carries its unit suffix (FL or FT) in a single token. A bare FL120 or 9000FT without the key also works, as a positional shorthand.
HDG <DEG>HDG 270360Initial heading, 1 to 360.
SPD <KT>SPD 250the type's scheduleInitial speed in knots indicated, between the type's own landing reference speed and its maximum operating speed. Supplying it sets a speed restriction; without it the aircraft follows its type's published phase schedule.
TYPE <ICAO>TYPE A320A320ICAO type, from the 213 in the registry. An unknown type is refused.
SQ <CODE>SQ 12342000Squawk Mode-C code, four digits.
ORIG <ICAO>ORIG EDDHZZZZFlight-plan origin, ICAO 4444 Field 13.
DEST <ICAO>DEST EDDMZZZZFlight-plan destination, ICAO 4444 Field 16.
CRUISE FL<N>CRUISE FL360FL360Filed cruising level, ICAO 4444 Field 15b, independent of the spawn altitude. The value carries its unit in a single token, so CRUISE 24000FT works too.
ALTN <ICAO>ALTN EDDFnoneFiled alternate, ICAO 4444 Field 16.
RULES I|V|Y|ZRULES VIFlight rules, ICAO 4444 Field 8a. The spelled-out IFR and VFR are also accepted.
FTYPE S|N|G|M|XFTYPE GSFlight type, ICAO 4444 Field 8b: scheduled, non-scheduled, general, military or other.
EQUIP <CODE>EQUIP SDFGRWYper typeICAO equipment letters, Field 10a. The per-type default is SDE2E3FGHIRWXY, whose R-bit is why Field 18 PBN/ defaults alongside it.
XPDR <CODE>XPDR LB1per typeTransponder capability code, Field 10b. The per-type default is LB1.
REG <REG>REG D-AIZPnoneRegistration, written into Field 18's REG/ subkey. Filed hyphen-free per ICAO 4444, so D-AIZP becomes DAIZP.

A bare FL120 or 9000FT without the ALT key also works. An unknown type is refused, and a speed outside the type's envelope is clamped to it with a note saying so.

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