The Office Aviation Services was established by the Secretary of the Interior on July 1, 1973 to "Raise the safety standards, increase the efficiency, and promote the economical operation of aircraft activities in the Department of the Interior."

OS-OAS's vision is to Attain and sustain zero aircraft accidents across DOI.

Tell Us What You Think!

Take our Customer Feedback Survey. Your feedback lets us know how well we are meeting your expectations. We want to ensure that activities we engage in are benefiting you and your organization to the greatest extent possible. It is our vision to be partnering for better, faster, cheaper, safer aviation missions.

Aviation Safety
Helo with Water Bucket
It is an OAS philosophy that no mission is so important that people should be exposed to unnecessary risk and that, "safety should be first, each and every time, in everything we do."
Aviation Training
STEP Training
The OAS Training Mission is to develop, provide and implement a professional aviation user training program to meet Department of the Interior and Interagency partner needs.
Technical Services
King Air
The Technical Services Division is responsible for commercial aircraft services specification development, oversight of the Departmental pilot flight standardization program for DOI-owned fleet aircraft, and management and coordination of aircraft engineering needs and maintenance management.
Unmanned Aircraft Systems
UAS Training
The use of Unmanned Aircraft Systems (UAS) is a new frontier for DOI with unbridled potential. OAS is responsible for the development of a comprehensive and actionable UAS strategy for the Department of the Interior.
Acquisition Services
Single Engine Air Tanker (SEAT)
The Interior Business Center, Acquisition Services Directorate provides centralized contracting for aircraft and related services for all Department of the Interior agencies and other Federal and State agencies upon request.
Document Library
NPS Search and Rescue
The OAS Document Library contains Policy documents such as the Departmental Manual, Operational Procedures Memoranda. Additionally Aviation Handbooks, Information Bulletins, Aviation Management System (AMS) Information, OAS Forms, Memorandum of Understanding and Safety and Tech Related Bulletins.