Sometimes AI build helicopter for the same mission when another one unit already available (but busy right now - on mission may be). As result, after complete mission, 2 helicopters will idle on his base a long time. I would like avoid such behavior for save his money. Any idea how to do it?

[00000124-G]
Name=Рос. Захват нефти инженером на HIND
VeteranLevel=1
MindControlDecision=0
Loadable=no
Full=no
Annoyance=no
GuardSlower=no
House=<none>
Recruiter=yes
Autocreate=no
Prebuild=no
Reinforce=no
Droppod=no
UseTransportOrigin=no
Whiner=no
LooseRecruit=yes
Aggressive=no
Suicide=yes
Priority=15
Max=1
TechLevel=0
Group=-1
OnTransOnly=no
AvoidThreats=yes
IonImmune=no
TransportsReturnOnUnload=yes
AreTeamMembersRecruitable=yes
IsBaseDefense=no
OnlyTargetHouseEnemy=no
Script=00000110-G
TaskForce=00000101-G

[00000110-G]
Name=Рос. Захват нефти инженером на HTK
0=58,131085
1=14,0
2=47,131143
3=8,2
4=46,131143