Aviation Calculators & Pilot Tools

Crosswind Calculator

Calculate headwind, crosswind, and tailwind components for any runway and wind condition

METAR Decoder

Decode raw METAR reports into plain English with visual weather display

Flight Category Checker

Determine VFR, MVFR, IFR, or LIFR conditions from ceiling and visibility

Weather Archive

Search historical METAR data from 42M+ observations across 10,000+ airports

Route Weather Map

Visualize weather conditions along your flight route with interactive Leaflet map

Wind Aloft Data

Calculate headwind, tailwind, and crosswind components with ground speed and heading correction

Distance & Bearing

Calculate great-circle distance and initial bearing between any two airports

Fuel Consumption

Plan fuel requirements with reserves, endurance, and range calculations

True Airspeed (TAS)

Convert indicated airspeed to true airspeed accounting for altitude and temperature

Density Altitude

Calculate density altitude from pressure altitude, temperature, and dewpoint

Performance Calculator

Estimate takeoff and landing distances for common aircraft types

Weight & Balance

Verify center of gravity and weight limits with visual CG envelope

Aircraft Database

Browse TCDS specifications, performance data, and compare aircraft types