Pitot Tube Warning Markings — Remove Before Flight
CARs Part V — Aircraft Maintenance Standards · Federal — Canada
§The Law
CARs Part V — s.571 Airworthiness — CARs 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.”
View official regulation text✓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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Shop Pitot Tube Warning LabelsOr call (289) 228-7021Regulation Quick Facts
- Regulation
- CARs Part V — s.571 Airworthiness
- Jurisdiction
- 🇨🇦 Federal — Canada
- Category
- Aviation Law
What if CARs Part V — s.571 Airworthiness changes next year?
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