E6B Pathfinder vs Crabwise

E6B Pathfinder provides essential and useful flight computations and calculations for flight operations, planning and navigation. The functions combine those of a classical E6B/CX-2/CX-3 flight computer and more. The simple material design makes it easy to navigate through the application to find what you need. The application has two sections. The main section functions include: ALTITUDE-> -Pressure Altitude -Density Altitude -True Altitude -Jet Standard Atmosphere - Cloud Base AIRSPEED-> -Plan TAS -Actual TAS -Required CAS -Plan Mach# -Actual Mach# FUEL-> -Fuel Burn -Fuel Rate -Endurance -(PRO) Fuel Converter PLAN LEG-> -Heading & Ground Speed -Heading & TAS -Track & Ground Speed -Compass Heading -Leg Time -ETA -To/From ACTUAL LEG-> -Distance Flown -Ground Speed -Wind Speed & Direction -Headwind & Crosswind Components -(PRO) Point of Equal Time -(PRO) Point of Equal Time (Expanded) -(PRO) Point of No Return -(PRO) Point of No Return (Expanded) -(PRO) Critical Point -(PRO) Critical Point (Expanded) GLIDING & VNAV-> -Glide Distance -Height Loss -Glide Ratio -(PRO) Rate of Climb/Descent -(PRO) Rate of Climb/Descent (using Gradient) -(PRO) Climb Ratio -(PRO) Climb Ratio (using Gradient) -(PRO) Top of Climb -(PRO) Top of Descent MISC.-> -(PRO) Load Factor -(PRO) Rate Turn - Bank Angle -(PRO) Rate of Turn -(PRO) Great Circle/Rhumb Line Distance The Extras section functions include: -(PRO) Calculator -(PRO) Units Converter -Stop Watch -Countdown Timer Other Features: -(PRO) Light & Dark Theme -(PRO) Quick List -Ability to change units -Ability to change calculation accuracy For feedback, additions or error reports, feel free to send them over to the developer using the email given.

Crabwise is an offline E6B flight computer built for student and private pilots: the six calculations you learn on paper, with type large enough to read at a glance. WIND & GROUND SPEED Solve the wind triangle both directions: find your heading and ground speed, or work backward from heading, track, and ground speed to find the wind. PRESSURE & DENSITY ALTITUDE See the classroom rule of thumb and the exact ICAO Doc 7488 answer side by side, so you know how much margin you actually have. TRUE AIRSPEED & MACH The quick 2%-per-1000-ft approximation and the exact compressible calculation, together. FUEL / TIME / DISTANCE Solve for any one of the three from the other two. CROSSWIND Headwind and crosswind components for any runway and wind. CONVERSIONS Seven unit families: distance, speed, altitude, temperature, pressure, weight, volume. CRABWISE PRO, ONE-TIME PURCHASE ($9.99) - Aircraft profiles: save cruise speed, fuel burn, usable fuel, empty weight and arm, and limits for every aircraft you fly. - Leg planner: chain legs from true course to compass heading, with running totals for time and fuel. - Weight & balance: plot your loading against your aircraft's envelope, checked live as you type. - History & export: save any result and export it as text or CSV. Free forever: all six calculators, every unit, every language, extra-large type. No ads, ever. No trial timer, no subscription. For training and planning cross-checks. Always verify against your aircraft flight manual and official sources. Not for primary navigation. No account. No ads. No tracking. Works offline. Available in English, Spanish, and Polish.