Helena FSDO
Office Hours/Contact Us
2725 Skyway Drive
Helena, Montana 59602-1213
Phone: (406) 441-5240
Fax: (406) 449-5275
Office Hours: 7:30 a.m. to 4:00 p.m., Mountain Time, Monday - Friday
Office visits by appointment only
- 2025 Inspection Authorization (IA) Renewal Information
- Helena FSDO Service Area Map (PDF)
- Employee Directory (PDF)
- Feedback Form
- Replacement Airworthiness Certificates and Special Flight Permits
- The FAA is now processing all Airworthiness Certificates and Special Flight Permits online using the Airworthiness Certification Portal (AWC). View the AWC Applicant Registration Guide and Application Process Overview document
- The Airworthiness Certification (AWC) - Applicant Portal website
- Aircraft Registration
- All aircraft registration questions must be directed to the Aircraft Registration Branch in Oklahoma City via email (preferred) at 9-AMC-AFS750-Aircraft@faa.gov or by telephone at 405-954-3116 or 1-866-762-9434. For more information on aircraft registration, you may also visit the Civil Aircraft Registry Electronic Services (CARES) at CARES - Civil Aviation Registry Electronic Services.
Directions to the Office
Driving: Come to Helena via I-15 and follow signs to the Helena Regional Airport. The FSDO is next door to the airline terminal.
Flying: Park at a fixed-base operator on the south side of the airport and seek ground transportation to the FSDO on the north side.
- Amateur-Built Aircraft
- Light Sport
- Accident & Incident Data
- Airworthiness Certification
- Field Approvals
- Registration
- Safety Alerts (AD, SAIB, SDR, & More)
- Technical Information (TCDS, TSO, STC, PMA, MMEL)