Aero has a few unique issues that make car parts unusable. One is the lower bound of the temperature range, it's not unusual to see -55 celcius for an aircraft.

Aero has a few unique issues that make car parts unusable. One is the lower bound of the temperature range, it's not unusual to see -55 celcius for an aircraft. And pressure, air is really thin at the 41,000ft most large aircraft are certified for.