Heavy Aircraft

Level ID Requires Allows Name / Effects
1 9000 Basic Bomber Engine and Airframe Design
9001 Basic Short-Range Bomber Engine
9002 Basic Medium-Range Bomber Engine
9003 Basic Long-Range Bomber Engine
9004 Basic Light Bomber Airframe
9005 Basic Medium Bomber Airframe
9006 Basic Heavy Bomber Airframe
2 9100

9000

Basic Bomber Development
9101 9001 Basic Light Bomber Prototype Tests
9004
9102 9101 Basic Dive Bomber
12002 type = new_model which = dive_bomber value = 1
9103 9101 Basic Torpedo Bomber
type = new_model which = torpedo_plane value = 1
9104 9002 Basic Medium-Range Bomber Prototype Tests
9005
9105 9104 Basic Tactical Bomber
type = new_model which = tactical_bomber value = 1
9106 9104 5502 Basic Naval Bomber
6410 type = new_model which = naval_plane value = 1
9107 9003 Basic Heavy Bomber Prototype Tests
9006
9108 9107 Basic Strategic Bomber
type = new_model which = strategic_bomber value = 1
9109 9107 Basic Air Transport
type = new_model which = transport_plane value = 1
3 9200

9100

1101 Airborne Warfare
9201 1101 Gliders
4502
9202 9201 Airborne Glider Training
9203 9202 Paratroopers
type = activate_unit_type which = paratrooper
9204 9203 12003 Airborne Assault Training
12004 type = paradrop_attack which = paratrooper value = 20
12204
4 9300

9200

Basic Ordinance and Equipment
9301 3007 Basic Radio Navigation
type = night_attack which = tactical_bomber value = 20
type = night_attack which = strategic_bomber value = 20
type = night_attack which = naval_bomber value = 20
9302 Incendiary Bombs
type = strategic_attack which = strategic_bomber when = now value = 2
9303 Dive-Drop Bomb Shells
type = naval_attack which = torpedo_plane when = now value = 1
type = tactical_attack which = dive_bomber when = now value = 1
9304 9303 Deep Penetration Bombs
type = fort_attack which = strategic_bomber value = 50
type = fort_attack which = tactical_bomber value = 50
type = fort_attack which = dive_bomber value = 50
9305 Multiple Gun Towers
type = air_defense which = strategic_bomber when = now value = 1
5 9400

9300

Improved Bomber Engine and Airframe Design
9401 9001 Improved Short-Range Bomber Engine
9101
9402 9002 Improved Medium-Range Bomber Engine
9104
9403 9003 Improved Long-Range Bomber Engine
9107
9404 9101 Improved Light Bomber Airframe
9405 9104 Improved Medium Bomber Airframe
9406 9107 Improved Heavy Bomber Airframe
6 9500

9400

Improved Bomber Development
9501 3206 Improved Radio Navigation
9301 type = night_attack which = tactical_bomber value = 10
type = night_attack which = strategic_bomber value = 10
type = night_attack which = naval_bomber value = 10
9502 3501 12303 Basic Centimetric Airborne Radar Navigation
4204 type = night_attack which = tactical_bomber value = 10
9301 type = night_attack which = strategic_bomber value = 10
type = night_attack which = naval_bomber value = 10
type = rain_attack which = tactical_bomber value = 10
type = rain_attack which = strategic_bomber value = 10
type = rain_attack which = naval_bomber value = 10
type = snow_attack which = tactical_bomber value = 10
type = snow_attack which = strategic_bomber value = 10
type = snow_attack which = naval_bomber value = 10
9503 9101 Improved Light Bomber Prototype Tests
9401
9404
9504 9503 Improved Dive Bomber
type = new_model which = dive_bomber value = 2
9505 9503 Improved Torpedo Bomber
type = new_model which = torpedo_plane value = 2
9506 9104 5504 Improved Medium Bomber Prototype Tests
9402
9405
9507 9506 Improved Tactical Bomber
type = new_model which = tactical_bomber value = 2
9508 9506 5505 Improved Naval Bomber
6608 type = new_model which = naval_bomber value = 2
9509 9107 Improved Heavy Bomber Prototype Tests
9403
9406
9510 9509 Improved Heavy Bomber
type = new_model which = strategic_bomber value = 2
9511 9509 Improved Air Transport
type = new_model which = transport_plane value = 2
7 9600

9500

Improved Ordinance and Equipment
9601 9509 Napalm Bombs
type = tactical_attack which = tactical_bomber when = now value = 1
9602 3406 1972 Advanced Radio Navigation
9501 type = night_attack which = tactical_bomber value = 10
type = night_attack which = strategic_bomber value = 10
type = night_attack which = naval_bomber value = 10
type = rain_attack which = tactical_bomber value = 5
type = rain_attack which = strategic_bomber value = 5
type = rain_attack which = naval_bomber value = 5
9603 3702 Improved Centimetric Airborne Radar Navigation
9502 type = night_attack which = tactical_bomber value = 5
type = night_attack which = strategic_bomber value = 5
type = night_attack which = naval_bomber value = 5
type = rain_attack which = tactical_bomber value = 5
type = rain_attack which = strategic_bomber value = 5
type = rain_attack which = naval_bomber value = 5
type = snow_attack which = tactical_bomber value = 5
type = snow_attack which = strategic_bomber value = 5
type = snow_attack which = naval_bomber value = 5
8 9700

9600

Advanced Bomber Engine and Airframe Design
9701 3901 Advanced Centimetric Airborne Radar Navigation
9603 type = night_attack which = tactical_bomber value = 5
type = night_attack which = strategic_bomber value = 5
type = night_attack which = naval_bomber value = 5
type = rain_attack which = tactical_bomber value = 5
type = rain_attack which = strategic_bomber value = 5
type = rain_attack which = naval_bomber value = 5
type = snow_attack which = tactical_bomber value = 5
type = snow_attack which = strategic_bomber value = 5
type = snow_attack which = naval_bomber value = 5
9702 9401 Advanced Short-Range Bomber Engine
9503
9703 9402 Advanced Medium-Range Bomber Engine
9506
9704 9403 Advanced Long-Range Bomber Engine
9509
9705 7701 Basic Turbojet Bomber Engine
9706 9503 Advanced Light Bomber Airframe
9707 9506 Advanced Medium Bomber Airframe
9708 9509 Advanced Heavy Bomber Airframe
9 9800

9700

Advanced Bomber Development
9801 9503 Advanced Light Bomber Prototype Tests
9702
9706
9802 4903 Basic Turbojet Dive Bomber
9705 type = new_model which = dive_bomber value = 3
9801
9803 9801 Advanced Torpedo Bomber
type = new_model which = torpedo_plane value = 3
9804 9506 Advanced Medium Bomber Prototype Tests
9703
9707
9805 9804 Advanced Tactical Bomber
type = new_model which = tactical_bomber value = 3
9806 9804 6714 Advanced Naval Bomber
type = new_model which = naval_bomber  value = 3
9807 9509 Advanced Heavy Bomber Prototype Tests
9704
9708
9808 9807 Advanced Strategic Bomber
type = new_model which = strategic_bomber value = 3
9809 9807 Advanced Air Transports
type = new_model which = transport_plane value = 3
10 9900

9800

14701 Advanced Ordinance and Equipment
9901 14701 Airburst Shrapnel Bombs
type = tactical_attack which = tactical_bomber when = now value = 1
type = tactical_attack which = dive_bomber when = now value = 1
9902 6902 Airborne Homing Torpedos
type = naval_attack which = torpedo_plane when = now value = 1
type = naval_attack which = naval_bomber when = now value = 1
9903 9602 Gyrostabilized Bombing Sights
type = naval_attack which = naval_bomber when = now value = 1
type = tactical_attack which = tactical_bomber when = now value = 1
type = strategic_attack which = strategic_bomber when = now value = 1
11 9940

9900

Semi-Modern Bomber and Airframe Design
9941 3905 Payload Drop Computers
type = naval_attack which = naval_bomber when = now value = 2
type = tactical_attack which = tactical_bomber when = now value = 2
type = strategic_attack which = strategic_bomber when = now value = 2
9942 9705 1972 Semi-Modern Medium Range Turbojet Bomber Engine
9804
9943 9705 Semi-Modern Long Range Turbojet Bomber
9807
9944 4903 Semi-Modern Medium Bomber Airframe
4904
9804
9945 4903 Semi-Modern Heavy Bomber Airframe
4904
9807
12 9970

9940

Semi-Modern Bomber Development
9971 9804 Semi-Modern Medium Turbojet Bomber Prototype Tests
9942
9944
9972 9971 Semi-Modern Tactical Turbojet Bomber
type = new_model which = tactical_bomber value = 4
9973 9807 Semi-Modern Heavy Turbojet Bomber Prototype Tests
9943
9945
9974 9973 Semi-Modern Strategic Turbojet Bomber
type = new_model which = strategic_bomber value = 4

Notes
Level is the technology level.
ID is the level / application ID.
Requires states any prior research that must have been done prior to researching a given
technology. Note, the base level technology must always be researched prior to researching any
application within that level.
Allows means this technology is required for the listed technologies.
Name is the name used in game. Really, it's from the comment in the tech file.
Effects are adjustments put into effect when a technology is researched.
The source file for this information is ..\DB\heavy_aircraft_tech.txt

Technology Path Changes
These branch into other technology trees and continue in this tree.
9502 Basic Centimetric Airborne Radar Navigation
9506 Improved Medium Bomber Prototype Tests
9602 Advanced Radio Navigation
9942 Semi-Modern Medium Range Turbojet Bomber Engine

These branch into another technology tree and end in this tree.
9106 Basic Naval Bomber
9204 Airborne Assault Training
9508 Improved Naval Bomber
9806 Advanced Naval Bombe

These end a technology path.
9102 Basic Dive Bomber
9103 Basic Torpedo Bomber
9105 Basic Tactical Bomber
9108 Basic Strategic Bomber
9109 Basic Air Transport
9302 Incendiary Bombs
9304 Deep Penetration Bombs
9305 Multiple Gun Towers
9504 Improved Dive Bomber
9505 Improved Torpedo Bomber
9507 Improved Tactical Bomber
9510 Improved Heavy Bomber
9511 Improved Air Transport
9601 Napalm Bombs
9701 Advanced Centimetric Airborne Radar Navigation
9802 Basic Turbojet Dive Bomber
9803 Advanced Torpedo Bomber
9805 Advanced Tactical Bomber
9808 Advanced Strategic Bomber
9809 Advanced Air Transports
9901 Airburst Shrapnel Bombs
9902 Airborne Homing Torpedos
9903 Gyrostabilized Bombing Sights
9941 Payload Drop Computers
9972 Semi-Modern Tactical Turbojet Bomber
9974 Semi-Modern Strategic Turbojet Bomber

By State Machine as of 1.04
(11 November Beta Patch)