Free Part 135 Tools
Charter ops tools, free for the industry.
Two free tools no other charter ops platform offers. Both run client-side — your data never leaves your browser.
Part 135 Duty Time Calculator
Enter recent flight hours and instantly check FAR 135.267, 135.265, and 117.21 cumulative limits. Calculations run in your browser — nothing is sent to a server.
Open calculator→
Flight Risk Assessment Tool (FRAT)
Modern web FRAT replacing the FAA PDF. Score pilot, aircraft, environment, external pressure, and operations factors. Get a traffic-light risk verdict in under two minutes.
Open FRAT→
Want all of this automated for your whole crew?
AeroCopilot Ops tracks duty time, runs a FRAT on every flight, and blocks dispatch when limits are exceeded.
Request a 20-min demo →