Hilo International Airport

Hilo International Airport
Name	Hilo International Airport
Iata	ITO
Icao	PHTO
Type	Public
Owner	State of Hawaii
City-served	Hilo, Hawaii
Location	Hawaii Island, Hawaiʻi County, United States
Elevation-f	38
Runways	03/21, 08/26

Hilo International Airport is a public civil aviation facility on Hawaii Island serving Hilo and Puna communities. The airport functions as a regional hub connecting Hawaii Island to Honolulu, Maui, Kauai and mainland United States gateways such as Los Angeles, Honolulu (alternate), and formerly New York. The facility supports commercial airlines, general aviation, FAA operations, and inter-island cargo flows.

History

Construction of the aerodrome near Hilo Bay began in the 1920s, contemporaneous with developments at Pearl Harbor and interwar expansion of Pan Am routes. During World War II, the airfield was requisitioned for military use by United States Army Air Forces and saw operations tied to the Pacific War logistics network, alongside bases like Bellows Field and Wheeler Army Airfield. Postwar civil conversion paralleled infrastructure projects under the Territory of Hawaii administration and later the State of Hawaii after 1959 statehood. The airport hosted early transpacific services by carriers such as Pan American World Airways, Trans World Airlines, and Northwest Airlines during the jet age, and later accommodated widebody aircraft including Boeing 747 charters for tourism tied to Hawaiian tourism growth and events at Hawaii Volcanoes National Park and Mauna Kea Observatories. Modernization programs in the late 20th and early 21st centuries addressed seismic, meteorological, and Federal Aviation Administration compliance, with terminal upgrades reflecting demand from carriers like Hawaiian Airlines, Alaska Airlines, and low-cost operators.

Facilities and infrastructure

The airport comprises a passenger terminal complex with multiple gates, cargo aprons, maintenance areas, and general aviation fixed-base operator facilities. Runway configurations include a primary runway suitable for narrowbody and some widebody operations and a secondary crosswind runway, each equipped with lighting and instrument approaches certified by the Federal Aviation Administration. Navigational aids and approach procedures reference Instrument Landing System standards and Global Positioning System-based approaches used across the National Airspace System. Air traffic services coordinate with the Honolulu Air Route Traffic Control Center and regional FAA facilities. Ancillary infrastructure supports firefighting units certified to International Civil Aviation Organization rescue and firefighting levels, fuel farms handling Jet A and AVGAS, and cargo handling compatible with carriers like UPS Airlines and FedEx Express. Groundside facilities include passenger processing, rental car counters featuring companies such as Hertz Corporation, Enterprise Holdings, and Avis Budget Group, and concessions reflecting local businesses and cultural organizations like Hawaii Tourism Authority vendors.

Airlines and destinations

Scheduled inter-island services are operated by carriers including Hawaiian Airlines, Southwest Airlines, and Alaska Airlines offering frequent flights to Daniel K. Inouye International Airport, Kahului Airport, and Lihue Airport. Mainland connections have been provided by nonstop and seasonal services to destinations such as Los Angeles International Airport, San Francisco International Airport, and Seattle–Tacoma International Airport by carriers like United Airlines, Delta Air Lines, and legacy and low-cost operators. Cargo and charter activity involve operators including Ameriflight and tour operators linking to Mauna Kea, Hilo Bayfront hotels, and Volcano National Park excursion providers. Airline route networks evolve with market demand, regulatory approvals from the United States Department of Transportation, and bilateral agreements historically influencing transpacific services.

Ground transportation and access

Surface access includes connections to Hawaii State Route 11 and local arterial roads linking to downtown Hilo and resort areas. Public transit connections involve Hawaii County Mass Transit Agency bus routes serving the terminal and adjacent communities, while intercity shuttle services connect passengers to destinations like Hawai‘i Volcanoes National Park and Waipio Valley. Ground transportation options feature taxi companies, rideshare services regulated under Hawaii Public Utilities Commission rules, and on-site parking facilities with short-term and long-term lots. Ground freight moves integrate with Hawaii Consolidated Railroad-era logistics corridors repurposed for highway freight distribution and cold-chain links to island wholesalers and United States Postal Service air mail operations.

Operations and statistics

Operational statistics track passenger enplanements, aircraft operations, and cargo throughput recorded by the Federal Aviation Administration and state aviation agencies. Seasonal fluctuations correlate with tourism cycles, major events such as the Ironman World Championship (when held in island locales) and cultural festivals in Hilo Bayfront and Merrie Monarch Festival-era travel patterns. Fleet mix historically includes De Havilland Canada DHC-8 turboprops, Boeing 717 and Airbus A321 narrowbodies, and occasional charters using Boeing 747 or Airbus A330 widebodies. Safety and environmental monitoring programs address volcanic ash events from Kīlauea and Mauna Loa, weather impacts from Hawaii cyclone remnants, and community noise abatement coordinated with Hawaii State Department of Transportation.

Accidents and incidents

Notable incidents include aircraft emergencies and runway excursions documented by the National Transportation Safety Board and local authorities. Historical events involved emergency diversions related to medical evacuations coordinated with Hawaii Health Systems Corporation facilities and search-and-rescue coordination with United States Coast Guard District 14 for overwater incidents near Hilo Bay. Investigations referenced FAA procedures, air carrier operations manuals from airlines such as Hawaiian Airlines and Aloha Airlines, and contributed to procedural revisions for same-class airports across the National Plan of Integrated Airport Systems.

Category:Airports in Hawaii