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.

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 →