Knowledge Requirement: Surface Based Layers
Verified from official sourcesTP 15263 - Atmospheric pressureVersion 1Effective -Verified 23 August 2026
In plain language
You must understand how fog forms and clears, and be able to identify other hazards that reduce visibility, such as haze, smoke, or blowing snow/dust.
Requirement as structured
RPAS pilots must understand fog formation and dissipation, and identify various obstructions to vision such as haze, smoke, and blowing obstructions.
Original regulatory text
- Explain how fog is formed. - Identify the elements that can dissipate fog. - Identify different obstructions to vision.
Applies when
- country
- Canada
- min mtom g
- 250
- max mtom kg
- 150
- regulatory category
- General