Free tools
Every SkyStudy tool, in one place.
Career tools, study planning, flight ops calculators and live weather decoders: a large free library, all in the browser. Open anything below, no sign-up needed.
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Free tools
No sign-up. Built for pilots and ATPL students.
Cockpit practice
Fly scripted scenarios, train your radio phraseology and your aviation English.
Career tools
Get the paperwork and the selection tests handled before the airlines see you.
Pilot CV maker
Build an ATS-safe, EASA-correct pilot CV with a recruiter-style health check. Free PDF, no watermark, nothing leaves your device.
OpenNewPilot cover letter builder
Compose a complete airline cover letter from your strongest points, in three tones, then edit every word. No AI, free PDF.
OpenPilot aptitude practice
Free exercises for the skill domains airline selection tests measure: mental maths, memory, multitasking, and hand-eye coordination.
OpenNewTraining cost calculator
Estimate ATPL training costs by route (integrated, modular, MPL) and country band, with itemized ranges and a loan repayment calculator.
OpenNewHow to choose a flight school
Checklist guide: ATO approvals, fleet age, instructor turnover, hidden costs, financing protection, and how schools screen applicants.
OpenNewEASA currency tracker
Ratings, language level and the 90-day recency window in one dashboard, with the rule cited on every date. Stays in your browser.
OpenNewAircraft ownership cost calculator
The true annual cost of owning an aircraft, from piston singles to midsize jets: fuel, engine reserves, hangar, insurance and financing, all editable.
OpenStudy planning
Know what each subject takes, build a plan, and keep a daily habit.
ATPL Cheat Sheet
Every memory item, key number, formula and exam trap for all 14 subjects on one page, with quiz mode and free PDF downloads.
OpenNewPPL Cheat Sheet
Every memory item, key number, formula and exam trap for all 9 PPL(A) subjects on one page, with quiz mode and free PDF downloads.
OpenNewATPL exam planner
Map all 13 theory papers across your sittings within the FCL.025 18-month window. Track which subjects still need a slot and how many of the 4 attempts remain.
OpenATPL question of the day
One fresh exam-style question every day with the full explanation, a two-minute habit that keeps the syllabus warm.
OpenATPL subject guides
What each EASA ATPL subject actually tests, its difficulty, the common traps, and how to revise it.
OpenNewAircraft Atlas
Explore a generic passenger jet, representative Cessna 172S and two-spool turbofan with readable component relationships.
OpenATPL study plan guide
Module order, realistic weekly hours, and a plan you can keep next to a job or a flying course.
OpenATPL mock exams guide
How to use timed mocks properly: when to start, what score means ready, and how to debrief the misses.
OpenFlight ops calculators
The performance and navigation maths of the ATPL exams, using the same conventions the questions do.
E6B flight computer
Every calculator below behind one set of tabs, in the order you use them, plus a drill that generates fresh time, speed, distance and fuel problems.
OpenWind component
Headwind, tailwind and crosswind from a runway heading, with the gust case you brief against limits.
OpenDensity altitude
The altitude the aircraft really feels when it's hot or high, the number performance charts care about.
OpenPressure altitude
Turn field elevation and QNH into the entry figure every performance table is indexed by.
OpenISA deviation
Standard temperature at any level and your ISA+ or ISA- deviation, the first step of most temperature questions.
OpenMach number
Convert between TAS and Mach from temperature alone, the way Principles of Flight expects.
OpenTrue airspeed
Turn CAS or IAS into the TAS your navigation triangle needs, with Mach alongside.
OpenUnit converter
Distance, speed, mass, pressure, and fuel volume to mass with the right density, exam units included.
OpenNewEASA fuel planning
Taxi, trip, contingency, alternate and final reserve built into block fuel, with the provision cited on every line.
OpenNewTop of descent
Where to start down and at what rate, with the rule of three shown next to the geometry so you can see the gap.
OpenNewHolding entry
Direct, parallel or teardrop from the inbound course and your heading, with the sector diagram and the 5 degree flexibility.
OpenNewNight flight time
Loggable night time for a sector on the EASA civil twilight definition, computed along the route rather than from a rule of thumb.
OpenWeather and reference
Live reports decoded in plain language, and reading guides for every code you'll meet in a briefing.
METAR & TAF decoder
Decode live reports and compare up to four airports at once, with runway wind alignment.
OpenAirport weather directory
Decoded METAR, TAF and the best runway for the wind, airport by airport.
OpenMETAR decoder guide
A plain-language reading order for any METAR, so no group stops you.
OpenTAF decoder guide
Follow TEMPO, BECMG and PROB change groups without losing the thread.
OpenNOTAM decoder guide
Spot the critical notice in the noise, faster.
OpenSNOWTAM decoder guide
Read runway condition reports and braking codes without guessing.
OpenMETAR cheat sheet
Every METAR group decoded on one page, in the order it appears, with a full worked example and a free PDF.
OpenAviation weather tools hub
The full weather toolkit in one guide: live decoder, airport compare, calculators and reading guides, with what each one is for.
OpenWhat these tools are, and who they are for
Everything on this page is a real, working tool that runs in your browser, free to use at this stage: no account, no trial clock, no watermarks. They were built alongside the SkyStudy ATPL question bank, so the calculators use the same conventions the EASA exams do (30 ft per hectopascal for altimetry, 2 °C per 1,000 ft for the standard atmosphere, 120 ft per degree for density altitude), and each tool page explains where its maths shows up in the exam, with a worked example and the trap the question writers like to set.
If you are an ATPL student, start with the study planning row to see what each subject takes, then keep the calculators open while you work through Performance, General Navigation and Meteorology questions. If you are already flying, the wind, altitude and fuel tools double as quick pre-flight cross-checks, and the METAR and TAF decoder reads a raw report back to you in plain language, runway wind included. And if the airline application is next, the CV maker and the aptitude exercises cover the two things selection actually screens first.
Every figure here is for study and planning practice, not for operational use: fly the numbers from the aircraft flight manual. Want the longer weather walkthrough? Open the aviation weather hub.
What free means
One honest note on what free means here. SkyStudy is a large library of pilot tools and it is still in beta, so the tools are free while that lasts, which is how most people find the project at all. It is self-funded, so as individual tools mature some of them move to paid plans. Which tools, and when, is not settled yet. No tool here is guaranteed to be free indefinitely. What will not happen is a tool you already rely on quietly starting to charge: any change is announced on that tool's page before it takes effect, not after.
Studying for the EASA ATPL exams?
These free tools cover the weather and performance maths that Meteorology, Flight Planning, and General Navigation test. The SkyStudy ATPL question bank turns the full syllabus into exam-style question practice across every ATPL subject, with spaced repetition and timed mock exams. Free to start, no card needed.
Get the free 7-day ATPL study plan
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