27 Free Compliance Guides — Every province, every regulation, cited to official sources
Regulation Compliant
CARs Standard 221

Aircraft Nationality Marks — CARs Standard 221

CARs Standard 221 · Federal — Canada

§The Law

CARs Standard 221CARs Standard 221

Canadian aircraft must display the nationality mark (maple leaf and C- prefix) as specified in CARs Standard 221 to identify them as Canadian-registered aircraft.

View official regulation text

Plain English

Every Canadian aircraft starts with "C-" to show it is Canadian. The C- prefix is the nationality mark — internationally recognized as Canada.

Ready to Order?

Get compliant aviation law markings — from $29.99. Ships same day.

Order Now →

Specific Requirements

C- prefix required for Canadian aircraft

Part of the full registration mark (C-XXXX)

Displays alongside registration letters

Consistent size with registration letters

See Also — Related Regulations

Get Compliant

Order Your Aviation Law Compliance Marking

Same-day production. 7-year outdoor vinyl. Ships Canada-wide.

Shop Aircraft MarkingsOr call (289) 228-7021

Regulation Quick Facts

Regulation
CARs Standard 221
Jurisdiction
🇨🇦 Federal — Canada
Category
Aviation Law
View Official Government Source
Annual Compliance Plan

What if CARs Standard 221 changes next year?

Laws change. When they do, your decal becomes non-compliant overnight. Annual Compliance Plan monitors 150+ Canadian regulations weekly — the moment text changes, a replacement ships to you at $0.

  • Free replacement decals when laws change
  • 52× weekly statute scans all year
  • Digital Compliance Vault for inspections
  • Smart Decal QR verification
Add Annual Compliance Plan — $99/yearLearn more about Annual Compliance Plan →

Compliance Certificate

Every order includes a printable Certificate of Material Compliance — ready for MTO, Transport Canada, or fire marshal inspection.

View sample certificate →