Aircraft against Construction yard

I did some tests with aircraft against construction yards and got these results -

It takes these amount to kill a construction yard -

• 4 Apaches
• 4 Migs
• 5 Hinds
• 5 Yaks

HOWEVER the hinds and yaks were able to kill the construction yard CONSIDERABLY faster. Was about 3x faster or higher.

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These are some amounts needed for other stuff -

War Factory -

• 4 Migs / Apaches
• 5 Hinds / Yaks

Missile Silo / Iron Curtain / Chrono -

• 3 Hinds / Yaks / Migs / Apaches

Allied Tech / Soviet Tech -

• 2 Hinds / Yaks / Migs / Apaches

Tesla Coil -

• 1 Mig / Apache
• 3 Hinds / Yaks

Refinery -

• 2 Migs
• 3 Hinds / Yaks / Apaches

Ore Truck -

• 2 Migs / Apaches
• 4 Hinds / Yaks

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The only significant difference was with Ore Trucks and Tesla Coils where the Mig / Apache did significantly better. Looks like the Mig / Apache are Tesla Coil killers in particular.