How long should you wait after a flight before checking tire pressure?

The correct choice reflects the principle that tire pressure can be affected by the heat generated during a flight. After a flight, tires can be warm due to the friction generated from landing and taxiing on runway surfaces. This increase in temperature causes the air inside the tires to expand, which can lead to a higher tire pressure reading if checked immediately after landing.

Waiting at least 3 hours in hot weather allows sufficient time for the tires to cool down to ambient temperature, ensuring that the pressure readings are accurate and reflective of the tire's condition rather than being artificially inflated by the heat of operation. This practice is crucial for maintaining optimal tire performance and safety, as incorrect pressure readings can lead to improper inflations that affect handling, fuel efficiency, and tire wear.

In cooler weather, shorter wait times may be sufficient, but it's always best to allow a cooling period before checking tire pressures for the most accurate assessment.