day, Ellington Field serves as a reliever airport for both Bush Intercontinental and the William P. Hobby Airport, and handles diverted aircraft from those two airports during bad weather events and peak traffic times. A terminal aerodrome forecast is produced for the airfield 365 days a year at 20Z, 04Z, and 12Z by the 26th Operational Weather Squadron, a USAF weather squadron. Facilities and aircraft Ellington Field covers an area of at an elevation of above mean sea level. It has three runways with concrete surfaces: Runway 4/22 is Runway 17R/35L is Runway 17L/35R is For the 12-month period ending 31 December 2009, the airport had 126,702 aircraft operations, an average of 347 per day: 70% general aviation, 22% military, 6% air taxi, and 2% scheduled commercial. At that time there were 197 aircraft based at this airport: 46% single-engine, 28% jet, 12% multi-engine, 12% military, 2% helicopter, and 1% glider. The Lone Star Flight Museum, which was located at Scholes from 1985 until 2017, maintains a fleet of airworthy warbirds including: Lockheed Vega, B-17 Flying Fortress, North American B-25 Mitchell Bomber, Douglas A24 Banshee (Decorated as an SBD-5 Dauntless), Republic P-47 Thunderbolt, Vought F4U Corsair, General Motors (Eastern Aircraft) TBM Avenger, Grumman F6F Hellcat, General Motors FM-2 Wildcat, North American AT-6 Texan, Beech AT-11 Kansan, Cessna AT-17 Bobcat, Stinson L-5, Douglas DC-3, and Stearman PT-17. The Air National Guard maintains ARFF equipment for use mainly on military aircraft, however they also respond to private emergencies. Statistics Annual traffic References External links Houston Airport System - Ellington Airport Master Plan Ellington Field at GlobalSecurity.org Wings Over Houston Airshow Airports in Houston Transportation buildings and structures in Harris County, Texas Spaceports in the United States