Practice the Way You'll
Use It in Real Life
Raw Report Appears
A real METAR or TAF from a live US station appears on screen in its raw, encoded form — just like you'd see in a weather briefing.
You Decode It
Read the report and decode it mentally. Take your time — or challenge yourself to go fast. The app waits for you.
Reveal & Compare
Tap "Reveal Decode" to see a full field-by-field breakdown. Every token from the raw report is mapped to its decoded explanation.
Track Your Progress
Mark whether you got it right. Build streaks, unlock achievements, and advance through pilot ranks as your accuracy improves.
Everything a Pilot Needs
to Master the METAR
Live Data, Real Stations
Reports are pulled live from aviationweather.gov — 48 diverse US airports including mountain, coastal, Gulf Coast, Alaska, and Hawaii stations. Real weather. Real skill.
Comprehensive Decoding
Every field decoded: wind direction & gusts, visibility & RVR, sky conditions with ceiling, weather phenomena, temperature/dewpoint spread, altimeter, and 25+ remark codes.
METAR, TAF & Both
Practice current weather observations (METAR), terminal forecasts (TAF) with FM/TEMPO/BECMG/PROB groups, or mix both for a realistic challenge.
Flight Category Badges
VFR, MVFR, IFR, and LIFR computed from ceiling and visibility per FAA standards. See instantly whether the conditions are flyable.
Pilot Rank Progression
Start as a Student Pilot and work your way up to Airline Transport Pilot. Rank advances based on reports attempted and accuracy — 9 achievements to unlock along the way.
Works Offline
200+ bundled reports included. Practice on the ramp, in the pattern, or in the air without any internet connection. Refreshes automatically when you're back online.
Every Element. Explained.
METAR Fields
- ✓ Wind direction, speed & gusts
- ✓ Variable winds
- ✓ Visibility (statute miles, fractions & RVR)
- ✓ Sky conditions with coverage percentages
- ✓ Weather phenomena (rain, snow, fog, TS & more)
- ✓ Temperature, dewpoint & spread analysis
- ✓ Altimeter setting with standard deviation
- ✓ Flight category (VFR / MVFR / IFR / LIFR)
TAF Fields
- ✓ Valid period and issuance time
- ✓ Wind, visibility & weather forecasts
- ✓ FM (From) change groups
- ✓ TEMPO (Temporary) conditions
- ✓ BECMG (Becoming) transitions
- ✓ PROB (Probability) groups
- ✓ Sky conditions and ceiling forecasts
- ✓ Multiple forecast periods with amendments
25+ Remark Codes
- ✓ SLP — Sea level pressure
- ✓ Precise temperature groups (T-groups)
- ✓ Pressure tendency
- ✓ Precipitation amounts
- ✓ Peak wind (PK WND)
- ✓ Ice accretion (I1/I3/I6)
- ✓ AO1 / AO2 station type
- ✓ Sensor status (RVRNO, PWINO, etc.)
Every Aviator in the Pattern
Student Pilots
Preparing for your private pilot written exam? METAR Master is the fastest way to build real fluency reading weather reports — with actual data, not textbook examples.
Instrument Students
Master complex IFR METARs with low ceilings, RVR, freezing precipitation, and TAF change groups. Practice the conditions that matter most for your instrument rating.
CFIs & Flight Schools
Assign METAR decoding practice as homework. Use the app in ground school to demonstrate field-by-field decoding with real, current weather data from your local area.
Experienced Pilots
Staying sharp between flights? A few minutes of METAR practice keeps your weather-reading reflexes current — especially useful for pilots returning from a break.
No Subscriptions. No Ads.
One Purchase. Full App. Forever.
You're already spending thousands on flight training. METAR Master is a one-time purchase — no recurring fees, no paywalled features, no ads interrupting your practice session.
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