LESSON 7.9Self-pacedFAA SOURCES CHECKED JUL 2026

Checkpoint: Build the Weather Picture

Combine observations, forecasts, weather charts, radar, advisories, terrain, aircraft limits, and site evidence into one time-bound decision.

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YOU WILL BE ABLE TO

01Identify the rule, source, or principle behind this idea: No single weather product describes the entire operation.
02Explain the operational effect of this idea: Surface analysis and prognostic charts show broad systems and forecast movement, while radar, satellite, METARs, and TAFs answer different time-and-location questions.
03Apply the lesson to a new mission and defend a go, modify, or no-go decision.

01 / MISSION

Begin with the operating problem.

METARs are acceptable, the TAF worsens later, terrain channels the wind, and the aircraft is heavily loaded.

02 / CORE BRIEF

What the remote pilot needs to know.

No single weather product describes the entire operation.

Surface analysis and prognostic charts show broad systems and forecast movement, while radar, satellite, METARs, and TAFs answer different time-and-location questions.

A go decision expires when observed conditions or source updates cross a predefined threshold.

03 / PILOT DECISION

Make the call.

Move the flight earlier only if the entire mission and reserve fit inside a stable window; otherwise reduce scope or reschedule.

04 / FIELD CHECK

Put it into the flight plan.

Record source times, actual observations, aircraft limits, and the next mandatory weather check.

05 / KNOWLEDGE CHECK

What makes a weather decision operational rather than descriptive?

Reveal the debrief

It connects time-specific conditions and uncertainty to aircraft, route, crew, limits, and an explicit go, modify, or no-go action.

RELATED FAA REFERENCES

Verify before you fly.

Educational summary only. Current regulation, FAA approval conditions, manufacturer instructions, and site-specific facts control the operation.