Aviation Weather

Flat-light, Whiteout, and Brownout Conditions

Flat-light, Whiteout, and Brownout Conditions provides pilots with training in how to plan for, avoid, and handle each of these IIMC conditions.

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The Flat-light, Whiteout, and Brownout Conditions subject provides pilots with essential knowledge of these dangerous meteorological and environmental conditions. The course focuses on identifying each condition, when they may occur, and includes methods for prevention, mitigation, and how to exit these conditions safely.

Fulfils Part 135 pilot training requirements and provides the basic understanding required to mitigate inadvertent IMC and combat flat-light, whiteout, and brownout conditions.

Topics Addressed
  • Flat-light, whiteout, and brownout
  • Self-induced whiteout and brownout
  • Pre-planning
  • Optical Illusions
  • Reference points and obstacles

Requirements and Resources

  • 14 CFR 135.293 (a)(9) & (h)
  • 8900.1 Vol 3 Ch 19 S7 Paragraph 3-1280 (A)(9)
  • NTSB Safety Recommendation A-02-33 through -35
  • AC 135-14B
  • AIM 7-6-13

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