HKPAPA Aviation Tool · Airline crew

Jet lag and sleep opportunity planner

Turn a time-zone change into a practical rest-planning worksheet.

Important boundary: Wellness education only—not medical advice, fatigue-risk clearance or a fitness-for-duty decision.

All inputs stay on this browser page. They are not submitted or stored.

How to use it

Enter your planning assumptions, calculate, and then verify the result against current official or company material. Inputs stay on this page and are not stored.