essential
likely
maybe
probably not
Front (prompt)
CTAF, ATIS, AWOS, ASOS — what are they?
Plain English (default view) — short, conversational, lightly seasoned with science
🔬 Scientific / formula (revealed on click) — markdown + $$…$$ ok
- 📻 **CTAF** — Common Traffic Advisory Frequency - Pilots **self-announce** at uncontrolled fields - 📻 **ATIS** — Automatic Terminal Information Service - **Recorded** weather + ops broadcast at towered airports - 🌡️ **AWOS** — Automated Weather Observing System - Continuous automated weather, **FAA**-operated - 🌡️ **ASOS** — Automated Surface Observing System - Continuous automated weather, **NWS**-operated (more sensors)
💡 Mnemonic / memory aid (shown on hover)
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