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Orientation: Scope and Outcomes for METB 5.1 - Messages and Reports

Welcome and Learning Goals for METB 5.1

Core Concepts: Standard Aviation Weather Messages

Decoding METAR and SPECI

Reading TAF: Forecasts and Change Groups

Operational Warnings: SIGMET Essentials

Local Routine and Special Reports for ATS Use

Application and Practice

Applying Trends and Altimetry in METAR/TAF

Quiz 1: METAR Elements and Order

Quiz 2: Visibility, RVR, and Weather Codes

Quiz 3: Cloud and Significant Convective Indicators

Quiz 4: TAF Change Groups and Timing

Quiz 5: SPECI Triggers and Use Cases

Quiz 6: SIGMET Interpretation for AIS Briefing

Wrap-Up and Feedback

Summary and Quick Reference for METB 5.1

Survey 1: Content Clarity and Relevance

Survey 2: Practice and Assessment Effectiveness

Survey 3: Confidence and Next Steps

Master the language of aviation weather with Decoding Aviation Weather: METAR, SPECI, TAF, and SIGMET Mastery. Designed for AIS, ATS, dispatch, and operations professionals, this practical course shows you how to read, decode, and apply standard and local weather messages using ICAO/WMO conventions with UK English terminology. You will learn the exact order and logic of METAR and SPECI reports, interpret visibility and RVR, identify convective and low-visibility risks, and confidently read TAF change groups (BECMG, TEMPO, FM, PROB) to plan safe and efficient operations. The course also demystifies SIGMETs—so you can brief hazards like severe icing, turbulence, thunderstorms, dust/sandstorms, volcanic ash, and tropical cyclones with clarity—and explains how local routine/special reports differ from METAR for immediate aerodrome use. Expect hands-on application: cross-check real-world METAR/SPECI with TAF for consistency and recency, apply trend information for short-term decisions, and convert altimeter settings (QNH/A) to protect approach minima. With 6 quizzes and end-of-course surveys, you’ll validate your decoding accuracy and operational judgment. By the end, you’ll confidently translate weather messages into clear, actionable briefings that enhance safety and on-time performance.

ICAO METB 05- Decoding Aviation Weather: METAR, SPECI, TAF, and SIGMET Mastery

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            <p>Aviation operations rely on precise, timely weather intelligence. This course develops practical skills to decode and apply the core ICAO/WMO weather messages used at aerodromes and in briefing environments: METAR, SPECI, TAF, and SIGMET. You will learn the standard structure and order of METAR and SPECI, including wind (true direction, variability, gusts), visibility and sector variations, runway visual range with trend indicators, present weather codes, cloud groups with CB/TCU, temperature/dew point, and altimeter settings in QNH (hPa) or A (inHg). Building on those foundations, you will interpret TAF validity, change groups (BECMG, TEMPO, FM, PROB30/40), and the logic for overlapping periods and prioritisation. The course also clarifies the purpose and reading of SIGMETs for significant en‑route hazards, and distinguishes local routine and special reports used for immediate aerodrome operations, ATIS, and clearances, including magnetic wind usage and finer-grain RVR. Throughout, terminology follows UK English and current ICAO/WMO conventions.</p>
<p>By the end of METB 5.1, AIS students will be able to decode METAR/SPECI/TAF accurately, interpret short‑term trends such as NOSIG, TEMPO, and BECMG for operational planning, and identify hazards highlighted in SIGMETs that affect flight safety and briefing content. You will practise cross‑checking recency and consistency between METAR, SPECI, and TAF, apply altimetry correctly for minima, and recognise cues such as wind shear reports and convective cloud for approach and departure decision‑making. Learning is reinforced through six focused quizzes covering message order, visibility and RVR, cloud and convective indicators, TAF timing, SPECI triggers, and SIGMET interpretation, followed by concise job aids and surveys to consolidate confidence and inform next steps. The result is a clear, usable decoding toolkit that supports safe, efficient aeronautical information services.</p>
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