GVWR vs Panda Breaks

GVWR is the ultimate towing companion that helps you tow safely with ease. This free tool simplifies the process of determining if your setup is safe by letting you input your truck and trailer ratings, actual cargo weight, and tongue weight. Our app calculates if your setup is within safe limits, so you can stay safe on the road. Save multiple setups, so you can easily switch between setups for different trailers or cargo. With GVWR, you'll always know if you're towing safely.

Panda Breaks is a simple but powerful break calculator for long haul augmented flight crews! The app calculates break periods for 3- and 4-pilot crews, sets wake-up alarms, and keeps every pilot on the same page — all in Zulu time, fully offline. Built for the flight deck! Enter your departure time and arrival time or duration, select your crew size and break scheme, and Panda Breaks instantly calculates each pilot's rest window. Tap your break to set a personal wake-up alarm — no paper, no mental arithmetic. Key features • Simple single view app — break durations, end times, and wakeup times all visible on the same screen • Dark mode — don't ruin your night vision calculating breaks after a nighttime departure • Six break schemes — equal splits, staggered splits, center-block, and FAR 117-compliant schedules for both 3- and 4-pilot crews • AlarmKit integration — alarms appear on the lock screen with a Live Activity countdown and alert on Apple Watch • Adjustable buffers — configure time before first break, between breaks, and before landing • Per-break wake-up offset — set how many minutes before the end of the break each pilot wants to be called • FAR 117 validation — instant warnings when PF or PM rest falls below regulatory minimums, with visual indicators on the affected break block • Flight timeline — a live proportional view of the full flight with a moving position indicator • Circadian rhythms — Above the flight timeline see how the breaks overlap your circadian lows • All times in Zulu (UTC/GMT) — no time zone confusion • Fully offline — no account, no network connection required, no data collected • Widgets for Home Screen and Lock Screen — Easily see upcoming break ends and alarms • Flight Status Live Activity — Updates require basic internet connection (most airlines free messaging will suffice) The name Panda Breaks comes from the acronym nickname given to the 2nd International Relief Officer at least one US airline. It stands for: Pilot Actually Not Doing Anything.