PA28 Performance vs Q400

PA28 Performance computes all the useful performance numbers for flight planning for Piper model PA28 Aircraft. It includes calculations for takeoff, landing, climb, cruise, descent, instrument procedures as well as emergencies. It also includes an interactive hold calculator, a risk analysis tool, and an emergency glide distance calculator that handles head and tailwinds. PA28 Performance is also available as a WebApp (an App that runs in a browser) that runs on a variety of platforms (PC, Mac, tablets, phones). The Cloud Sync feature allows flight planning profiles entered on any device to be synchronized with your other devices when connected. PA28 Performance is a free, published-source development effort and has Apps and WebApps for other aircraft. See http://pohperformance.com for complete details.

Fast, accurate takeoff and landing performance for the DHC-8-402 (Q400) — built by pilots, for pilots. Q400 Performance Calculator turns AFM tables into instant results on the flight deck. Enter your conditions and get V-speeds, weight limits, and runway-specific numbers in seconds — no paper charts, no guesswork. KEY FEATURES • Takeoff — V1/VR/V2, max weights and limit codes for dry, wet, tailwind, MEL and contaminated runway conditions • Reduced (assumed-temperature) takeoff with torque selection • Landing — Vref, Vtarget, Vmax, go-around speeds with wind and contamination corrections • Cruise — LRC, ISC, HSC, MCR plus single-engine and holding performance • Missed approach climb gradients • De-icing / icing speed corrections applied automatically • Built-in airport and runway database — elevation, length, slope, shift Designed around a clean cockpit-style interface: high-contrast values, dark display, and a layout that reads at a glance under any lighting. This app is a planning aid. Always cross-check results against the approved Aircraft Flight Manual and your operator's procedures. The pilot in command remains responsible for all performance decisions. SUBSCRIPTION Q400 Performance Calculator is available with a 7-day free trial, then $5/month or $30/year. Your subscription unlocks all calculators and runway data. Payment is charged to your Apple ID and auto-renews unless cancelled at least 24 hours before the end of the current period. Terms of Use (EULA): https://starbuck-dev.github.io/Q400Performance/terms/ Privacy Policy: https://starbuck-dev.github.io/Q400Performance/privacy/ Privacy first — no account required, no personal data collected, no tracking. Calculate with confidence. Download Q400 Performance Calculator today.