Unit 10 · Weather Reports and Briefings · Lesson 4 of 4

Getting a weather briefing and making the go/no-go call

8 min readLesson 45 of 59

By the end of this lesson you'll be able to:
  • Know the types of official briefings
  • Gather weather in a logical order
  • Use personal minimums to make the go/no-go decision

Regulations require you to become familiar with weather reports and forecasts before a flight away from the vicinity of an airport (14 CFR 91.103). How you get it is up to you: Flight Service (1-800-WX-BRIEF or 1800wxbrief.com), the FAA's aviationweather.gov, or an approved app.

Types of Flight Service briefings

  • Standard: the full picture when you haven't received any weather yet.
  • Abbreviated: to update an earlier briefing or get specific items.
  • Outlook: when you're departing 6 or more hours from now; useful for planning.

A logical order

  1. The big picture: surface analysis and prog charts. Where are the fronts and pressure systems going?
  2. Hazards: AIRMETs, SIGMETs, convective outlooks, TFRs and NOTAMs.
  3. Current conditions: METARs, radar, satellite and PIREPs along the route.
  4. Forecasts: TAFs for departure, destination and alternates; GFA for en route; winds aloft for choosing an altitude.

Personal minimums

Legal VFR minimums are low. Personal minimums are the limits you set for yourself, based on your experience, and decide on before you look at the weather, so you're not tempted to talk yourself into it. A new private pilot might set something like a 3,000-foot ceiling, 5 miles of visibility and a crosswind limit below the airplane's demonstrated value. Talk with your CFI to set yours.

Get-there-itis kills. The airplane will still be there tomorrow. A cancelled flight is never a failure; flying into weather you can't handle is how many accidents begin.

Key takeaways

  • Briefings: standard, abbreviated, outlook (6+ hours out).
  • Order: big picture → hazards → current → forecasts.
  • Set personal minimums before you look at the weather.

What the examiner may ask

Practice answering out loud before you open each answer.

What are your personal minimums?
Have specific numbers for ceiling, visibility, wind and crosswind, set with your CFI, and explain why.
How did you get your weather for today's flight?
Name your official sources and the order you checked them.
What would make you cancel this flight?
Weather below personal minimums, thunderstorms, icing, strong winds, or a deteriorating forecast with no good alternate.

Common mistakes

  • Making the go/no-go decision before checking all the weather.
  • Changing personal minimums on the day of the flight.
  • Not having an alternate plan.

Read it in the FAA sources

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Lesson check

Get every question right to complete the lesson. Take your time; wrong answers explain why.

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