single_engine_aircraft_design = {

	activate_unit = interceptor 
	activate_building = air_base

	research_bonus_from = {
		aeronautic_engineering = 1.0
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 0.5
	
	#common for all techs.
	start_year = 1936
	folder = fighter_folder
}	

twin_engine_aircraft_design = {

	activate_unit = tactical_bomber 

	research_bonus_from = {
		aeronautic_engineering = 1.0
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 0.5
	
	#common for all techs.
	start_year = 1936
	folder = bomber_folder
}	

basic_aeroengine = {

	interceptor = {
		maximum_speed = 50
		surface_defence = 0.5
		air_defence = 0.5
		range = -25
	}

	tactical_bomber = {
		maximum_speed = 25
		air_defence = 0.75
		range = -25
	}

	allow = {
	 	OR = {
			single_engine_aircraft_design = 1
			twin_engine_aircraft_design = 1
		}
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.3
		twin_engine_aircraft_practical = 0.4
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1936
	folder = fighter_folder
}	

basic_small_fueltank = {

	interceptor = {
		range = 75
		surface_defence = -1
		air_defence = -1
	}
	
	allow = {
		single_engine_aircraft_design = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.6
		fighter_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1936
	folder = fighter_folder
}	

basic_single_engine_airframe = {
	
	interceptor = {
		surface_defence = 1
		air_defence = 1
	}	

	allow = {
		single_engine_aircraft_design = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical= 0.6
		fighter_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1936
	folder = fighter_folder
}	

basic_aircraft_machinegun = {

	
	interceptor = {
		air_attack = 2.00
	}	

	tactical_bomber = {
		air_attack = 0.5
	}

	allow = {
	 	OR = {
			single_engine_aircraft_design = 1
			twin_engine_aircraft_design = 1
		}
	}

	research_bonus_from = {
		aeronautic_engineering = 0.25
		infantry_theory = 0.05
		single_engine_aircraft_practical = 0.3
		twin_engine_aircraft_practical = 0.4
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1936
	folder = fighter_folder
}	

basic_medium_fueltank = {

	tactical_bomber = {
		range = 75
		surface_defence = -1
		air_defence = -1
	}
	
	allow = {
		twin_engine_aircraft_design = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.6
		tac_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1936
	folder = bomber_folder
}	

basic_twin_engine_airframe = {

	tactical_bomber = {
		range = 75
		surface_defence = 2.5
		air_defence = 1
	}
	
	allow = {
		twin_engine_aircraft_design = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.6
		tac_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1936
	folder = bomber_folder
}	

basic_bomb = {

	tactical_bomber = {
		soft_attack = 1
		hard_attack = 0.5
		sea_attack = 0.25
		strategic_attack = 0.5
	}

	allow = {
		twin_engine_aircraft_design = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.6
		tac_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1936
	folder = bomber_folder
}	

multi_role_fighter_development = {

	activate_unit = multi_role

	allow = {
		basic_aeroengine = 1
		basic_small_fueltank = 1
		basic_single_engine_airframe = 1
		basic_aircraft_machinegun = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.6
		fighter_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1938
	folder = fighter_folder
}	
cas_development = {

	activate_unit = cas 

	allow = {
		basic_aeroengine = 1
		basic_small_fueltank = 1
		basic_single_engine_airframe = 1
		basic_aircraft_machinegun = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.6
		cas_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1937
	folder = bomber_folder
}	

nav_development = {
	
	activate_unit = naval_bomber 

	allow = {
		basic_aeroengine = 1
		basic_medium_fueltank = 1
		basic_twin_engine_airframe = 1
		basic_aircraft_machinegun = 1
		basic_bomb = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.6
		nav_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1938
	folder = bomber_folder
}	

basic_four_engine_airframe = {

	activate_unit = transport_plane 

	allow = {
		basic_twin_engine_airframe = 1
		basic_aeroengine = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		four_engine_aircraft_practical = 0.6
		strategic_air_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1936
	folder = bomber_folder
}	

basic_strategic_bomber = {

	activate_unit = strategic_bomber 

	allow = {
		basic_four_engine_airframe = 1
		basic_medium_fueltank = 1
		basic_aircraft_machinegun = 1
		basic_bomb = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		four_engine_aircraft_practical = 0.6
		strategic_air_focus = 0.1
	}

	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1937
	folder = bomber_folder
}	

aeroengine = {

	interceptor = {
		maximum_speed = 60
		range = -25
		surface_defence = 1
		air_defence = 1
	}

	multi_role = {
		maximum_speed = 50
		range = -50
		surface_defence = 0.5
		air_defence = 0.5
	}

	tactical_bomber = {
		maximum_speed = 25
		range = -50
		air_defence = 0.75
	}

	cas = {
		maximum_speed = 25
		range = -15
		surface_defence = 0.5
		air_defence = 0.1
	}

	naval_bomber = {
		maximum_speed = 25
		range = -50
		air_defence = 0.75
	}

	strategic_bomber = {
		maximum_speed = 25
		range = -50
		air_defence = 0.75
	}

	cag = {
		maximum_speed = 25
		range = -15
		surface_defence = 0.5
		air_defence = 0.5
	}

	allow = {
	 	OR = {
			basic_aeroengine = 1
		}
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.2
		twin_engine_aircraft_practical = 0.2
		four_engine_aircraft_practical = 0.3
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 7
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = fighter_folder
}	

small_fueltank = {

	interceptor = {
		range = 75
		surface_defence = -1
		air_defence = -1
	}
	

	multi_role = {
		range = 125
		surface_defence = -1
		air_defence = -1
	}

	cas = {
		range = 45
		surface_defence = -1
		air_defence = -1
	}

	cag = {
		range = 45
		surface_defence = -1
		air_defence = -1
	}

	allow = {
		basic_small_fueltank = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.6
		fighter_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 3
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = fighter_folder
}	

single_engine_airframe = {

	interceptor = {
		surface_defence = 1.5
		air_defence = 1.5
	}
	

	multi_role = {
		surface_defence = 2
		air_defence = 2
	}

	cas = {
		surface_defence = 2.5
		air_defence = 1.4
	}

	cag = {
		surface_defence = 1.5
		air_defence = 1.5
	}

	allow = {
		basic_single_engine_airframe = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.6
		fighter_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 3
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = fighter_folder
}	

single_engine_aircraft_armament = {

	interceptor = {
		air_attack = 3.00
		soft_attack = 0.25
	}
	

	multi_role = {
		air_attack = 2.5
		soft_attack = 0.5
	}

	cas = {
		air_attack = 0.5
		soft_attack = 0.75
		hard_attack = 0.25
	}

	cag = {
		air_attack = 2
		soft_attack = 0.25
	}

	allow = {
		basic_aircraft_machinegun = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.6
		fighter_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 3
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = fighter_folder
}	


medium_fueltank = {

	tactical_bomber = {
		range = 125
		surface_defence = -1
		air_defence = -1
	}

	naval_bomber = {
		range = 125
		surface_defence = -1
		air_defence = -1
	}
	
	allow = {
		basic_medium_fueltank = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.6
		tac_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

twin_engine_airframe = {

	tactical_bomber = {
		surface_defence = 2.5
		air_defence = 1
	}

	naval_bomber = {
		surface_defence = 2.5
		air_defence = 1
	}
	
	allow = {
		basic_twin_engine_airframe = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.6
		tac_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

air_launched_torpedo = {

	naval_bomber = {
		sea_attack = 1
	}
	
	cag = {
		sea_attack = 0.75
	}

	allow = {
		nav_development = 1
	}

	research_bonus_from = {
		submarine_engineering = 0.15
		naval_engineering = 0.15
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.4
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

small_bomb = {


	interceptor = {
		hard_attack = 0.25
		soft_attack = 0.25
	}
	

	multi_role = {
		hard_attack = 0.5
		soft_attack = 0.5
	}

	cas = {
		hard_attack = 1.25
		soft_attack = 0.74
		sea_attack = 0.5
	}

	cag = {
		hard_attack = 0.25
		soft_attack = 0.25
		sea_attack = 0.5
	}

	allow = {
		basic_bomb = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.6
		cas_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 3
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}

twin_engine_aircraft_armament = {

	
	naval_bomber = {
		air_attack = 0.5
	}	

	tactical_bomber = {
		air_attack = 0.5
		soft_attack = 0.25
	}

	allow = {
	 	basic_aircraft_machinegun = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.25
		infantry_theory = 0.05
		twin_engine_aircraft_practical = 0.7
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

medium_bomb = {
	

	naval_bomber = {
		hard_attack = 0.25
		soft_attack = 0.5
		sea_attack = 0.75
	}

	tactical_bomber = {
		soft_attack = 1.5
		hard_attack = 0.5
		sea_attack = 0.5
		strategic_attack = 0.5
	}

	allow = {
		basic_bomb = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		twin_engine_aircraft_practical = 0.6
		tac_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

large_fueltank = {

	transport_plane = {
		range = 75
		surface_defence = -1
		air_defence = -1
	}

	strategic_bomber = {
		range = 150
		surface_defence = -1
		air_defence = -1
	}
	
	allow = {
		basic_four_engine_airframe = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		four_engine_aircraft_practical = 0.6
		strategic_air_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}

four_engine_airframe = {

	transport_plane = {
		surface_defence = 1.25
		air_defence = 1.1
	}

	strategic_bomber = {
		surface_defence = 2.5
		air_defence = 1
	}
	
	allow = {
		basic_four_engine_airframe = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		four_engine_aircraft_practical = 0.6
		strategic_air_focus = 0.1
	}

	
	on_completion = aeronautic_engineering

	difficulty = 2
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}		

strategic_bomber_armament = {


	strategic_bomber = {
		air_attack = 0.5
	}

	allow = {
		basic_strategic_bomber = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.25
		infantry_theory = 0.05
		four_engine_aircraft_practical = 0.7
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

cargo_hold = {


	transport_plane = {
		transport_capability = 1
	}

	allow = {
	 	basic_four_engine_airframe = 1
	}

	research_bonus_from = {
		four_engine_aircraft_practical = 0.7
		strategic_air_focus = 0.3
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

large_bomb = {
	

	strategic_bomber= {
		hard_attack = 0.25
		soft_attack = 0.5
		strategic_attack = 2.00 
	}

	allow = {
		basic_strategic_bomber = 1
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		four_engine_aircraft_practical = 0.6
		strategic_air_focus = 0.1
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 1
	
	#common for all techs.
	start_year = 1939
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}

advanced_aircraft_design = {

	#This Tech has no effect 

	research_bonus_from = {
		aeronautic_engineering = 1.0
	}

	allow = {
		radar = 1
		OR = {
			single_engine_aircraft_design  = 1
			twin_engine_aircraft_design = 1
		}
	}
	
	on_completion = aeronautic_engineering
	
	difficulty = 2
	
	#common for all techs.
	start_year = 1940
	folder = fighter_folder
}	
	
small_airsearch_radar  = {

	interceptor = {
		air_detection = 1.00
	}
	

	multi_role = {
		air_detection = 1.00
	}

	cas = {
		air_detection = 0.5
	}

	cag = {
		air_detection = 0.25
	}

	research_bonus_from = {
		electornicegineering_theory = 0.3
		electornicegineering_practical = 0.7
	}


	allow = {
		radar = 2
		OR = {
			advanced_aircraft_design = 1
			single_engine_aircraft_design  = 1
		}
	}
	
	on_completion = electornicegineering_practical
	
	difficulty = 6
	
	#common for all techs.
	start_year = 1940
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = fighter_folder
}	

medium_airsearch_radar  = {
	

	naval_bomber = {
		air_detection = 0.5
	}

	tactical_bomber = {
		air_detection = 0.5
	}

	research_bonus_from = {
		electornicegineering_theory = 0.3
		electornicegineering_practical = 0.7
	}


	allow = {
		radar = 2
		OR = {
			advanced_aircraft_design = 1
			twin_engine_aircraft_design  = 1
		}
	}
	
	on_completion = electornicegineering_practical
	
	difficulty = 6
	
	#common for all techs.
	start_year = 1940
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

large_airsearch_radar  = {
	

	strategic_bomber = {
		air_detection = 0.5
	}

	transport_plane = {
		air_detection = 0.5
	}

	research_bonus_from = {
		electornicegineering_theory = 0.3
		electornicegineering_practical = 0.7
	}


	allow = {
		radar = 2
		OR = {
			advanced_aircraft_design = 1
			basic_strategic_bomber = 1
		}
	}
	
	on_completion = electornicegineering_practical
	
	difficulty = 6
	
	#common for all techs.
	start_year = 1940
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

small_navagation_radar  = {

	interceptor = {
		surface_detection = 0.5
	}
	

	multi_role = {
		surface_detection = 0.5
	}

	cas = {
		surface_detection = 0.5
	}

	cag = {
		surface_detection = 0.5
	}

	research_bonus_from = {
		electornicegineering_theory = 0.3
		electornicegineering_practical = 0.7
	}


	allow = {
		small_airsearch_radar = 1
	}
	
	on_completion = electornicegineering_practical
	
	difficulty = 6
	
	#common for all techs.
	start_year = 1940
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = fighter_folder
}	

medium_navagation_radar  = {

	naval_bomber = {
		surface_detection = 0.5
	}

	tactical_bomber = {
		surface_detection = 0.5
	}

	research_bonus_from = {
		electornicegineering_theory = 0.3
		electornicegineering_practical = 0.7
	}


	allow = {
		medium_airsearch_radar = 1
	}
	
	on_completion = electornicegineering_practical
	
	difficulty = 6
	
	#common for all techs.
	start_year = 1940
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

large_navagation_radar  = {

	strategic_bomber = {
		surface_detection = 0.5
	}
	research_bonus_from = {
		electornicegineering_theory = 0.3
		electornicegineering_practical = 0.7
	}


	allow = {
		large_airsearch_radar = 1
	}
	
	on_completion = electornicegineering_practical
	
	difficulty = 6
	
	#common for all techs.
	start_year = 1940
	first_offset = 1941
	additional_offset = 2	#one new every 2 years
	folder = bomber_folder
}	

rocket_interceptor_tech = {

	activate_unit = rocket_interceptor

	research_bonus_from = {
		rocket_science = 0.3
		rocket_practical = 0.7
	}

	allow = {
		small_fueltank = 1
		single_engine_airframe = 3
		single_engine_aircraft_armament = 2
		rocket_engine = 1
	}

	on_completion = jetengine_theory
	
	difficulty = 4
	start_year = 1941
	folder = fighter_folder
}

drop_tanks = {

	
	interceptor = {
		range = 200
	}
	

	multi_role = {
		range = 200
	}

	cas = {
		range = 200
	}

	cag = {
		range = 150
	}

	allow = {
		small_fueltank = 3
	}

	research_bonus_from = {
		aeronautic_engineering = 0.3
		single_engine_aircraft_practical = 0.7
	}

	
	on_completion = aeronautic_engineering
	
	difficulty = 3
	
	#common for all techs.
	start_year = 1943
	folder = fighter_folder
}	

jet_engine = {

	interceptor = {
		maximum_speed = 100
		range = -50
		surface_defence = 1
		air_defence = 1
	}

	multi_role = {
		maximum_speed = 100
		range = -50
		surface_defence = 1
		air_defence = 1
	}

	tactical_bomber = {
		maximum_speed = 50
		range = -50
		air_defence = 0.5
	}

	cas = {
		maximum_speed = 50
		range = -50
		air_defence = 0.5
	}

	naval_bomber = {
		maximum_speed = 50
		range = -50
		air_defence = 0.5
	}


	strategic_bomber = {
		maximum_speed = 50
		range = -50
		air_defence = 0.5
	}

	cag = {
		maximum_speed = 50
		range = -25
		surface_defence = 1
		air_defence = 1
	}

	allow = {
	 	aeroengine = 1
		theorical_jet_engine = 1
	}

	research_bonus_from = {
		jetengine_theory = 0.3
		jetengine_practical = 0.7
	}

	
	on_completion = jetengine_theory
	
	difficulty = 14
	
	#common for all techs.
	start_year = 1943
	first_offset = 1944
	additional_offset = 3	#one new every 2 years
	folder = fighter_folder
}	
