Portland Hillsboro Airport (HIO) Guide: History, Facilities & Aviation Hub in Oregon

Discussing aviation in Oregon, Portland Hillsboro Airport is one of the most significant and dynamic in the area. This airport, which is known as HIO (IATA) and KHIO (ICAO), is crucial in serving corporate aviation, flight training, and personal air travel in the greater Portland metropolitan region.

Located in Hillsboro, Washington County, just west of Portland, the airport is owned and operated by the Port of Portland. Although most travelers know about Portland International Airport, the Hillsboro Airport is an important reliever airport, which assists in the management of the increasing aviation demand in the region.

Overview and Importance

Since its inception in 1928, Portland Hillsboro Airport has become the second busiest airport in Oregon in terms of aircraft operations, handling hundreds of thousands of aircraft operations annually. The airport is spread over 900 acres and has three well-maintained runways, modern hangars, fueling facilities, and a small passenger terminal.

The airport is specifically renowned because of:

• Corporate and business aviation.

• Flight training activities

• Private and charter flights

• Used by major corporations such as Intel for corporate shuttle operations.

Its convenient location and effective business operations have made it a favorite among business travelers and the operators of private aircraft who want convenience and privacy.

A Rich History

Hillsboro Airport has a history that goes back to the year 1928, when it was founded by Dr. Elmer H. Smith on a 100-acre piece of land. Gradually, the airport developed under the ownership of the city and eventually under the Port of Portland in 1965, which became a significant turning point in the development of the airport.

The airport was expanded and improved with federal funding during World War II. It also contributed greatly to the 1948 Columbia River floods, when relief supplies were airlifted into the area following the destruction of Vanport.

By the end of the 20th century, Hillsboro Airport had also received an air traffic control tower, increased runways, and even some limited commercial airline services. It is still developing today with the modern infrastructure and more capacity.

Facilities and Infrastructure

Portland Hillsboro Airport is well prepared to meet various aviation requirements. It has three paved runways, with the main runway measuring more than 6,600 feet and having modern landing systems.

Other important facilities are:

• FAA-operated control tower

• Aviation service and fueling.

• Several fixed-base operators (FBOs).

• A small terminal with simple passenger facilities.

• International flights with U.S. Customs and Border Protection services.

The airport is also accessible by the city through the use of public transport such as TriMet buses and light rail services, which makes it accessible to both travelers and the staff.

Operations and Aviation Activity

Hillsboro Airport is commonly known as the largest general aviation airport in Oregon. It is also a center of aspiring pilots and aviation schools since a large part of its operations is flight training.

Besides training, the airport promotes:

• Corporate shuttle services, such as Intel Air Shuttle.

• Private jet operations

• Emergency medical aviation services.

• Charter and cargo flights.

Its status as a reliever airport means that there is less congestion at Portland International Airport and that there is better management of air traffic in the region.

Events and Community Role

One of the highlights of Portland Hillsboro Airport is hosting the annual Oregon International Air Show. It is a well-known event that brings aviation fans throughout the nation and presents exciting air shows and airplane exhibitions.

The airport also has a strong connection with the local community, as it supports businesses, training facilities, and emergency services.

Continuous Growth and Future Plans.

Over the years, significant investments have been made to enhance the airport’s infrastructure. Since the expansion of the runways, new hangars, and better taxiways, the airport is still evolving to meet the increasing aviation needs.

The third runway, which was completed in 2015, was a significant milestone towards enhancing operational efficiency. The future strategies are to increase the facilities and enhance services, and to remain one of the top general aviation centers in the Pacific Northwest.

Conclusion

Portland Hillsboro Airport is more than just a regional airport—it is a vital part of Oregon’s aviation ecosystem. With its rich history, modern facilities, and strategic importance, it continues to support business aviation, pilot training, and regional connectivity.

Whether you are a business traveler, aviation enthusiast, or aspiring pilot, Hillsboro Airport offers a seamless and efficient aviation experience while complementing the operations of Portland’s primary airport.