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CARs Part V — s.571 Airworthiness

Pitot Tube Warning Markings — Remove Before Flight

CARs Part V — Aircraft Maintenance Standards · Federal — Canada

§The Law

CARs Part V — s.571 AirworthinessCARs Part V — Aircraft Maintenance Standards

Pitot tubes must not be obstructed. Protective covers must be clearly marked "REMOVE BEFORE FLIGHT" and attached with high-visibility streamers. Pitot heat system activation warnings must be placarded near the pitot to prevent burn hazards during ground operations.

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Plain English

The pitot tube measures airspeed. If the cover is left on, the airspeed indicator reads zero and the aircraft cannot fly safely. "REMOVE BEFORE FLIGHT" covers must be bright red with streamers so they cannot be missed during pre-flight.

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Specific Requirements

"REMOVE BEFORE FLIGHT" cover on all pitot tubes

Bright red or orange — high-visibility colour mandatory

Streamer or flag attached to cover

"PITOT HEAT ON — DO NOT TOUCH" placard near heat switch

Interior cockpit label for pitot heat caution

Replace faded covers — a faded cover is a safety hazard

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📚Sources & Authority

Every claim on this page is backed by official government legislation and verified industry sources. Last verified: March 2026.

All sources are official government publications or recognized industry authorities. Links verified March 2026. If you find a broken link, let us know.

See Also — Related Regulations

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Regulation Quick Facts

Regulation
CARs Part V — s.571 Airworthiness
Jurisdiction
🇨🇦 Federal — Canada
Category
Aviation Law
View Official Government Source
Annual Compliance Plan

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Compliance Certificate

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