IR.I.B.K2eFAA-S-ACS-8C · Nov 2023Knowledge
e. Wind and Temperature Aloft Forecast (FB)
Acceptable weather products and resources required for preflight planning, current and forecast weather for departure, en route, and arrival phases of flight such as: e. Wind and Temperature Aloft Forecast (FB)
Bottom line
Forecast winds and temperatures aloft—a forecast of the winds at specific altitudes for the route of flight. Forecast winds aloft will be provided in knots and tens of degrees and referenced to true north. Winds should be averaged or interpolated if flying between reported levels.
Key numbers
| Number | What it means |
|---|---|
| 270° at 14 knots | Four-digit group |
| 230° at 21 knots, -4 °C | Six-digit group |
| 9,000 feet | Denver lowest level |
FAA references
- PHAK ch. 13 (p. 13-5) — FAA-H-8083-25C (2023)
- AWH ch. 3 (p. 3-4) — FAA-H-8083-28A
- AC 91-92 Appendix A — AC No: 91-92
- PHAK ch. 13 (p. 13-13) — FAA-H-8083-25C (2023)
- AC 91-92, para. 7.4.1.9 — AC No: 91-92
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