Understanding lightning’s nature and its subsequent detection and avoidance is still the most accepted strategy, not just for survival but for keeping the people in the back of the airplane safe and calm.

A distillation of technologies from its larger turbofans, this may be General Electric’s most advanced engine yet.

Pratt & Whitney's PW1000G geared turbofan for single-aisle airliners and the PW800 by Pratt & Whitney Canada, a turbofan for large business jets are being marketed collectively under the PurePower brand.