Knowledge Requirement: Surface Based Layers

Verified from official sources
TP 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