Coloured smoke reveals a vortex of air created by the wing of an airplane, also known as wake turbulence or jetwash. This turbulence can be especially hazardous during the landing and take off phases of flight, where an aircraft's proximity to the ground makes a timely recovery from turbulence-induced problems unlikely.
San Francisco International Airport (IATA: SFO) opened on May 7, 1927 on 150 acres (607,000 m²) of cow pasture leased from prominent local landowner Ogden L. Mills, and was named Mills Field Municipal Airport. During the economic boom of the 1990s and the dot-com boom, SFO became the 6th busiest international airport in the world. However, since the boom times ended, it has fallen back out of the top twenty.
A test firing of twin linear XRS-2200 Aerospike engines. The aerospike engine is a type of rocket engine that maintains its efficiency across a wide range of altitudes through the use of an aerospike nozzle.
A standard rocket engine uses a bell shaped
air pressure which reduces as the rocket climbs. An aerospike uses the air flowing past the rocket to form half of a 'virtual bell' which automatically compensates for the reducing pressure.
A newsreel showing the breaking of the sound barrier on 14 October 1947 by Chuck Yeager in the rocket-powered Bell X-1. Flying at an altitude of 45,000 ft (13.7 km), Yeager became the first person to break the sound barrier in level flight.
Nevada test Site, August 7, 1957. The tail, or “After” section of a U.S. Navy Blimp is shown with the Stokes cloud in background. Blimp was in temporary free flight in excess of five miles from ground zero when collapsed by the shock wave from the blast. The airship was unmanned and was used in military effects experiments on blast and heat. Navy personnel on the ground in the vicinity of the experimental area were unhurt. On ground to the left are remains of the forward section.
An attitude indicator (AI), gyro horizon or artificial horizon, is an instrument used in an aircraft to inform the pilot of the orientation of the airplane relative to earth.
A Supermarine Spitfire Mark XVI. The Spitfire was an iconic British single-seat fighter used by the RAF and many Allied countries in the Second World War. The Spitfire saw service during the whole of WWII in all theatres of war, and in many different variants. It is often credited with winning the Battle of Britain.
An F-14D Tomcat assigned to the "Tomcatters" of Fighter Squadron Three One (VF-31) sits poised for launch on one of four steam-powered catapults aboard the nuclear powered aircraft carrier USS John C. Stennis (CVN 74). Stennis and her embarked Carrier Air Wing One Four (CVW-14) are currently at sea conducting training exercises.
Cumulus clouds are characterized by dense individual elements in the form of puffs, mounds or towers, with flat bases and tops that often resemble cauliflower. They are formed due to convection. Buoyant, upward air currents, known as thermals rise to a height at which the moisture in the air can condense. Because of this, they "grow" vertically instead of horizontally. Though most common in warm, summer weather, cumulus clouds can be formed at any time of year.
Boeing-Stearman Model 75's. Taken in 1936 at NAS Pensacola during training of the first class of the Naval Aviation Cadet program. Photo includes Boone Guyton (plane in rear) who later became a test pilot for Chance-Vought (Vought Sikorsky) in 1939.
A formation of F-4 Phantom II fighter aircraft fly in formation during a heritage flight demonstration here. The heritage flight program was established in 1997 to commemorate the 50th Anniversary of the U.S. Air Force.
Capt. Lowell H. Smith and Lt. John P. Richter performing the first aerial refueling on 27 June 1923. The Airco DH.4 biplane remained aloft over the skies of Rockwell Field in San Diego, California, for 37 hours. The airfield's logo is visible on the aircraft.
Lt. Col. James Hecker (front) and Lt. Col. Evan Dertein line up their F/A-22 Raptor aircraft behind a KC-10 Extender to refuel while en route to Hill Air Force Base, Utah. Colonel Hecker commands the first operational Raptor squadron -- the 27th Fighter Squadron at Langley Air Force Base, Va. The unit went to Hill for operation Combat Hammer, the squadron's first deployment, Oct. 15. The deployment has a twofold goal: complete a deployment and to generate a combat-effective sortie rate away from home.
This JRF-5 Grumman JRF-5 Goose was assigned to Naval Air Station Jacksonville, Florida (USA), in 1941 and remained on the station throughout the Second World War. Only one of these aircraft flew from the station and was used for utility purposes, including photography.
Sophie Blanchard, French Balloonist. Ascent of August 15th 1811 at Milan. Full-length portrait of French balloonist Marie-Madeleine-Sophie Armand Blanchard, standing in the decorated basket of her balloon during her flight in Milan, Italy, in 1811, in the presence of the imperial and royal highness.
Capt. Matt Buckner, an F-15 Eagle pilot assigned to the 71st Fighter Squadron at Langley Air Force Base, Va., flies a combat air patrol mission Oct. 7 over Washington, D.C., in support of Operation Noble Eagle.
The Blue Angels use a United States Marine CorpsC-130T Hercules, nicknamed "Fat Albert", for their logistics, carrying spare parts, equipment, and to carry support personnel between shows. Beginning in 1975, "Bert" was used for Jet Assisted Take Off (JATO) and short aerial demonstrations just prior to the main event at selected venues, but the JATO demonstration ended in 2009 due to dwindling supplies of rockets.
A diagram of a typical turbojet engine. Air is compressed as it enters the engine, and is mixed with fuel that burns in the combustion section. Released through the exhaust, the resulting hot gases provide forward thrust and turn the turbines that drive the fan blades of the compressor.
An F-22 Raptor flies over Kadena Air Base, Japan, Jan. 23 on a routine training mission. The F-22 is deployed from the 27th Fighter Squadron at Langley Air Force Base, Va.
A T-45A Goshawk executes a turning rejoin during a recent formation flight over South Texas. The T-45 is a twin-seat, single-engine jet trainer and is the only aircraft in the Navy's inventory used specifically for training pilots to land aboard aircraft carriers.
LET, mostly used for passenger transport. The L-410 first flew in 1969, and with more than 1100 produced, is the most popular 19-seat plane in history.
A Bell 212 Twin Huey carrying a helicopter bucket, a specialized bucket suspended on a cable to deliver water for helitack operations, which is aerial firefighting using helicopters. Helitack crews are used to attack a wildfire and gain early control of it, especially when inaccessibility would make it difficult or impossible for ground crews to respond in the same amount of time.
On December 1, 1984, NASA and the Federal Aviation Administration (FAA) conducted the Controlled Impact Demonstration, where they deliberately crashed a Boeing 720 aircraft with the intent of improving occupant crash survivability. Seen left-to-right, top-to-bottom, the plane makes a practice approach, hits the ground, slides for a short distance, strikes posts cemented in the ground, and becomes engulfed in flames.
wide-body twin-engine jet airliner made by Airbus which was introduced in 1994. The A330-200, such as pictured here in Aeroflot livery, entered service in 1998 and was considerably more popular than the earlier A330-300. In December 2012 there were 476 A330-200s in operation.
Dryden Flight Research Center to evaluate the ability of the F/A-18 as an in-flight refueling tanker to develop analytical models for an automated aerial refueling system for unmanned aerial vehicles. The project is documenting how an operational tanker's drogue basket responds when in the presence of the receiver aircraft.