The first two model years ( XS-1 and XS-1B ) were kick start only, with an electric starter added from the 1972 model year on.

The United States Navy accepted the construction of 12 submarine-based aircraft at different private enterprises like Cox-Klemin Aircraft ( from New York ) with their Cox-Klemin XS-1 design ( one prototype and five pre-production aircraft ) and another six were ordered from Glenn L. Martin Company ( from Baltimore ) with their design Glenn Martin MS-1, both small disassemblable seaplanes.

Also featuring the all-moving tail, the XS-1 was later known as the X-1.

The NACA XS-1 ( Bell X-1 )

Beginning in January 1946, Bell Aircraft Corporation tested its X-1 supersonic aircraft, originally designated the XS-1 at the airfield, because of the area's then-remote location and 10, 000-foot runway.

Originally known as the XS-1, the X-1 was powered by a Reaction Motors XLR11-RM3 rocket engine.

They utilized the information to initiate work on the Bell XS-1.

The final version of the Bell XS-1 has many design similarities to the original Miles M. 52 version.

Yamaha continued producing two-stroke engines until it launched the XS-1 in 1969, with a 650 cc two-cylinder four-stroke engine, using expertise that it gained doing engine development work for Toyota.

This desire has been respected by the community, except for a certain time for Jeskola XS-1.

The 1970 model was designated the XS-1.

The use of aerodynamics through mathematical analysis, empirical approximations, wind tunnel experimentation, and computer simulations form the scientific basis for heavier-than-air flight and a number of other technologies.

The Wright brothers ' flight confirmed or disproved a number of aerodynamics theories.

On December 28, 1948, a Douglas DC-3 aircraft, number NC16002, disappeared while on a flight from San Juan, Puerto Rico, to Miami.

A number of accidents have occurred where outward-opening aircraft doors were opened in flight, often accidentally:

A number of companies are developing vehicles, although few have demonstrated a full-sized vehicle capable of free flight.

" Continued VFR flight into IMC ", as it is known, is responsible for a significant number of light-airplane crashes due to spatial disorientation.

They were the creation of millionaire Percy Nilsson and quickly rose to the highest rank in the early to mid-1990s and won two Swedish championships, but for a number of years have found themselves residing outside of the top flight.

In the decade preceding faster-than-sound human flight, aeronautical engineers referred to the speed of sound as Mach's number, never " Mach 1.

Soft real-time systems are typically used where there is some issue of concurrent access and the need to keep a number of connected systems up to date with changing situations ; for example software that maintains and updates the flight plans for commercial airliners.

A limited number of civilians are allowed on this flight but fares are high.

The number of dead or unaccounted at the Pentagon remains 124, not including the 64 passengers on American Airlines flight 77.

Shortly after September 11, the flight number for future flights on the same route was changed from Flight 175 to Flight 1525 " out of respect for those who died in the attack ".

In keeping with standard airline practice after disasters, the flight number " 93 " was discontinued by United Airlines after the hijacking.

Although Ames is a NASA Research Center, and not a flight center, nevertheless it has been closely involved in a number of astronomy and space missions.

His dogfighting prowess is shown again in this battle, as Wedge personally shoots down a number of Imperial TIE Fighters, and appears to easily navigate the narrow and treacherous flight spaces inside the Death Star that lead to its core.

Space stations are used to study the effects of long-term space flight on the human body as well as to provide platforms for greater number and length of scientific studies than available on other space vehicles.

A number of other petrel species undertake trans-equatorial migrations, including the Wilson's Storm Petrel and the Providence Petrel, but no albatrosses cross do due to their reliance on wind assisted flight.

This part has a large number of regulations to ensure airworthiness in areas such as structural loads, airframe, performance, stability, controllability, and safety mechanisms, how the seats must be constructed, oxygen and air pressurization systems, fire prevention, escape hatches, flight management procedures, flight control communications, emergency landing procedures, and other limitations, as well as testing of all the systems of the aircraft.

A further adaptation for flight is the reduction in number of the neural ganglia, and concentration of nerve tissue in the thorax, a feature that is most extreme in the highly derived Muscomorpha infraorder.

Fielding in the sport of cricket is the action of fielders in collecting the ball after it is struck by the batsman, in such a way either to limit the number of runs that the batsman scores or to get the batsman out by catching the ball in flight or running the batsman out.

LeMay found ways to encourage morale, individual performance, and the reenlistment rate through a number of means: encouraging off-duty group recreational activities, instituting spot promotions based on performance, and authorizing special uniforms, training, equipment, and allowances for ground personnel as well as flight crews.

Jean Batten, a New Zealander, made a number of record-breaking solo flights across the world, including, in 1936, the first-ever solo flight from England to New Zealand.

Admiral Halsey's unnamed flagship was represented by the, a post-war aircraft carrier launched in 1946 ( in actuality, and in the novel, Halsey flew his flag on the battleship ); a number of World War II – era fighter planes were placed atop the flight deck for the filming.

Because aircraft models are normally used, rather than full-size machines, special care is needed to make sure that data is taken in the same Reynolds number regime ( or scale speed ) as in free flight.

He passed the cursory inspection, and was able board his flight at 7: 50.

Rust was an inexperienced pilot, aged 18, and with about 50 hours of flying experience at the time of his flight.

Each flight of locks will be accompanied by nine water reutilization basins ( three per lock chamber ), each basin being approximately 70 meters ( 230 ft ) wide, 430 meters ( 1410 ft ) long and 5. 50 meters ( 18 ft ) deep.

In October 2008, the Swiss Hornet fleet reached the 50, 000 flight hour milestone.

Swiss-based German watchmaker Bernhard Lederer created a limited edition of 50 Gagarin Tourbillons to commemorate the 50th anniversary of Yuri Gagarin's flight.

Performances are a max weight of 250 kg ( 50 payload ), speed of 110 km / h, and a flight duration about 45 minutes.

Oswald experienced firsthand the mass flight of the 130, 000-strong Imperial army on 14 August 1431 when the entire Imperial army panicked after sighting the 50, 000-strong Hussite army approaching and singing.

" With a harsh voice he ( Duke William ) called to Eustace of Boulogne, who with 50 knights was turning in flight and was about to give the signal for retreat.

At the 200th anniversary in 1983, some 50 hot air balloons took part with the first historic flight reenacted with people dressed in period costume.

The Airbus A340-600HGW operating the six-hour flight ran on a 50 – 50 blend of synthetic gas-to-liquids ( GTL ) and conventional oil-based kerosene developed by Shell instead of traditional, purely oil-based aviation turbine fuel.

At approximately 8: 50 PM central time on the night of April 6, 2009, a Cessna 172 airplane that was stolen from a flight training school in Ontario, Canada landed on U. S. Highway 60 in Ellsinore, flown by a despondent flight student wishing to commit suicide.

Shortages in equipment with spare parts almost impossible to obtain in Burma along with the slow introduction of replacement fighter aircraft were continual impediments although the AVG did receive 50 replacement P-40E fighters from USAAF stocks that were originally scheduled for shipment to Great Britain but cancelled due to the Tomahawk's inferior flight performance against German fighters.

League Cup winners receive £ 100, 000 prize money ( awarded by the Football League ) with the runners up receiving £ 50, 000, considered relatively worthless to top flight teams, compared to the £ 2 million prize money of the FA Cup, which is in turn eclipsed by the Premier League's television money awarded on final league position as well as participation in the Champions League.

At the end of July he took part in an aviation meet at Douai, where he made a flight lasting over 47 minutes in the Type XII on 3 July: the following day he flew the Type XI for 50 minutes at another meet at Juvisy, and on 13 July, he made a cross-country flight of from Etampes to Orléans.

The travel agent suggested that the flight from Los Angeles to Cape Town, South Africa and back would cost $ 50 more than a trip circumnavigating the world.

The vehicle, called the ThrustSSC (" Super Sonic Car "), captured the record exactly 50 years and one day after Yeager's flight.

For larger planes, one flight attendant per 50 passenger seats is needed.

The 1990 – 91 season was the only one out of sixteen in a row that Wednesday spent in a lower division, but the season is best remembered by fans for Wednesday's swift return to the top flight under the management of Ron Atkinson and their League Cup victory over Manchester United to win their first major trophy for over 50 years.

A total of 50 flight tests were accomplished.

The latter were used as improvised gunships / bombers, being armed with 50 caliber machine guns and equipped with a roller system to trundle 250 pound bombs out the cargo door during flight.