Rocky Mountain Certificate Management Office (CMO)

26805 E. 68th Avenue #234
Denver, Colorado 80249-6361
Phone: (800) 847-3808 / (303) 342-1100
FAX: (303) 342-1212 / 1206
Office Hours: 8:00am – 4:00pm, Mountain Time, Monday – Friday
Appointments are recommended for office visits.

Who We Are

• Service Area
  The Rocky Mountain CMO oversees the 14 CFR Part 121 certificates for Frontier Airlines, Great Lakes Airlines and Lynx Aviation, including U. S. and international flight operations, aircraft maintenance, and aircrew training.
• Employee Directory and Directions to the Office (PDF)
• Stakeholder Feedback Form