| C. Weather Information | ||||||||||||
| References | 14 CFR ยง91; FAA-H-8083-25B; AC 00-6, AC 00-45, AC 00-54; AIM (Chapter 7) | |||||||||||
| Objective | To determine that the applicant exhibits satisfactory knowledge, risk management, and skills associated with weather information for a flight under VFR. | |||||||||||
| The applicant demonstrates understanding of | ||||||||||||
| K1 | Sources of weather data (e.g. National Weather Service, Flight service) For flight planning purposes |
AIM (7-1-2) FAA Weather Services AIM (7-1-3) Use of Aviation Weather Products AIM (7-1-4) Graphical Forecasts for Aviation When in doubt consult with an FAA Fight Service Specialist (CALL 1800-WXBrief) |
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| K2 | Acceptable weather products and resources required for preflight planning, current and forecast weather for departure, enroute and arrival phase of flight |
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| K3 | Meteorology applicable to the departure, en route, alternate and destination under VFR in Visual Meteorological Conditions (VMC) to include expected climate and hazardous conditions such as: | Check the Flight planning tool at 1800wxbrief.com the "To go or not to go tool." There is a video of using it in the weather reference page |
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| K3a | a. Atmospheric composition and stability | a. Atmospheric composition and stability AC 00-6B (22-4), Chapters 2, 4, (5.3), 19 |
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| K3b | b. Wnd (eg., crosswind, tailwind, windshear, mountain wave, etc.) | b. Wind (eg., crosswind, tailwind, windshear, mountain wave., etc.) know that the "eg." is going to mean "not limited to the following."
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| K3c | c. Temperature | c.Temperature AC 00-6B Chapters 2,4,19, (5-3-4), (22-4) |
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| K3d | d. Moisture/precipitation | d. Moisture/precipitation AC 00-6B Chapters 3,14 AIM 7-6-11 |
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| K3e | e. Weather system information, including air masses and fronts | Weather Systems Airmasses AC-006B (chapter 10) AIM 4-1-23 |
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| K3f | f. Clouds | AC 00-6B, Chapter 13, Chapter 11. |
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| K3g | g. Turbulence | AIM 7-1-21 | ||||||||||
| K3h | h. Thunderstorms and microbursts | AC 00-45A (5-11) (5-145) | ||||||||||
| K3i | i. Icing and freezing level information | AC 00-45A 18 Icing information AC 00-45H (5.16) Freezing level Graphics AWC Freezing level |
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| K3j | j. Fog/mist | AC 00-45A (16.1.1 & 16.1.2) | ||||||||||
| K3k | k. Frost | AC 00-6B(22-4) | ||||||||||
| K3l | l. Obstructions to visibility, (eg., smoke, haze, volcanic ash, etc.) | AC 00-6b (Chapter 16) | ||||||||||
| K4 | Flight deck displays of digital weather an aeronautical information | AC No: 00-63A | ||||||||||
| The applicant demonstrates the ability to identify, assess and mitigate risks encompassing: | ||||||||||||
| R1 | Factors involved in the go/no-go and continue/divert decisions, to include: | FAA GA WEather Decision making | ||||||||||
| R1a | a. Circumstances that would make diversion prudent | FAA H 8083-25B(16-34) | ||||||||||
| R1b | b. Personal weather minimums |
FAA H-8083-2 Change 1 (8-3) Setting Personal Weather Minimums
Personal Minimums Checklist Personal-Minimums VFR Personal Minimums Contract IFR |
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| R1c | c. Hazardous weather conditions to include known or forecast icing or turbulence aloft | Icing: AC00-6B (Chapter 18) Turbulence: AC00-6B(Chapter 17) |
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| R2 | Limitations of: | |||||||||||
| R2a | a. Onboard weather equipment | GA Guide...Weather Decision Making |
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| R2b | b. Aviation weather reports and forecasts | AC 00-45H Change 2 |
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| R2c | c. Inflight weather resources | Reception is a problem, even if able to receive the information it is still often significantly delayed. Paid services (XM weather are more reliable than FIS-B) |
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| The applicant demonstrates the ability to: | ||||||||||||
| S1 | Use available aviation weather resources to obtain an adequate weather briefing | |||||||||||
| S2 | Analyze the implications of at least three of the conditions listed in K3a through K3l above, using actual weather or weather conditions in a scenario provided by the evaluator | |||||||||||
| S3 | Correlate weather information to make a competent go / no-go decision. | |||||||||||
| Take this and install in the table above. | |||||||||
| Sources of weather Data |
AIM (7-1-2) FAA Weather Services AIM (7-1-3) Use of Aviation Weather Products AIM (7-1-4) Graphical Forecasts for Aviation When in doubt consult with an FAA Fight Service Specialist (CALL 1800-WXBrief) |
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| Acceptable Weather products and resources required for preflight planning, current and forecast weather for departure, en route, and arrivale phases of flight |
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| Meteorology applicable to the departure, enroute, alternate and destination under VFR in Visual Meteorological Conditions (VMC) to include expected climate and hazardous conditions such as: | Check the Flight planning tool at 1800wxbrief.com the "To go or not to go tool." There is a video of using it in the weather reference page |
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| Please Read ALL FAA-H-8083-25B Chapter 12 & 13 |
a. Atmospheric composition and stability AC 00-6B (22-4), Chapters 2, 4, (5.3), 19 |
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| b. Wind (eg., crosswind, tailwind, windshear, mountain wave., etc.) know that the "eg." is going to mean "not limited to the following."
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| c.Temperature AC 00-6B Chapters 2,4,19, (5-3-4), (22-4) |
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| d. Moisture/precipitation
AC 00-6B Chapters 3,14 AIM 7-6-11 |
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| e. Weather system information including air masses and fronts | |||||||||
| f. Clouds | |||||||||
| g. Turbulence | |||||||||
| h. Thunderstorms and microbursts | |||||||||
| i. Icing and freezing level information | |||||||||
| j. fog/mist AC 00-6B (16.1.1)(22.4) |
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| k. frost
AC 00-6B (22.4.3) |
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| l. Obstructions to visibility (eg., smoke, haze, volcanic ash, etc.)
AC 00-6B Chapter 16 |
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