Full details for the Aircraft Engine technology, from level 1 to level 4.
An air-force technology covering fighters, bombers and close support. "Aircraft Engine" scales up to level 4. Maximum effect: "Fixed-wing aircraft attack range +4; Helicopter mobility +4". Available from the start of research. A prerequisite to make tier-S air-force generals pay off.
| Level | Gold | Industry | Energy | Tech | Effet |
|---|---|---|---|---|---|
| L1 | 2500 | 0 | 100 | 0 | Fixed-wing aircraft attack range +1; Helicopter mobility +1 |
| L2 | 8750 | 0 | 350 | 0 | Fixed-wing aircraft attack range +2; Helicopter mobility +2 |
| L3 | 21250 | 0 | 850 | 0 | Fixed-wing aircraft attack range +3; Helicopter mobility +3 |
| L4 | 65000 | 0 | 2600 | 0 | Fixed-wing aircraft attack range +4; Helicopter mobility +4 |