' high rate of crashes is, in part, due to lack of proper training jets.The government says the MiGs...LESS than a minute after the young air force officer roared into the sky, his fighter jet crashed ……

as a small auto. But little planes often circle about the skies with much less scrutiny than large jets... into an office high-rise in Tampa, Florida on Saturday.The crash occurred after Charles J. Bishop ……

in the sky. This year, planes came from countries including the UK, Poland and France. Sanicole Airshow...式飞机) and helicopters (直升机) take part in the show and stage beautiful performances in the sky. This year, planes came ……

passenger jets fly.  ●Jet streams: These are high-speed winds up in the sky, at the altitudes... (增加) clear air turbulence.Clear air turbulence happens high up in the sky where there are no clouds ……

的) temperature that many smaller jets (喷气式飞机) are allowed to fly at.So what is it that makes flying in extreme... planes, which are able to operate in greater heat than smaller jets.xAfter the temperature in Phoenix ……

often.What causes CAT?What causes CAT?When planes fly over 4,600 meters high, fast air meets slow... meters high, fast air meets slow air. The two make air pockets (气流旋涡). This makes planes go through CAT ……

student who flies her own planes!Flying high for 100 years一百年前人类有了第一架飞机，一百年后我们拥有了整个天空PEOPLE have... is history.How planes became faster than sound回首百年，让我们一起来看看飞机的发展历程吧PEOPLE have been flying planes ……

you’re ready to fly! It lets you fly as high as 15,000 feet (4,572 meters)! Worried about the planes in the sky? Don’t worry, planes usually fly between 30,000-50,000 feet (about 9,000-15,000 meters ……

at Xiamen Foreign Language School likes flying paper planes the most.Chen doesn’t only make paper planes...)” of a paper plane flying across the clear sky. Once he became so spellbound (着迷的) while watching a flying ……

using supersonic planes in the past?A. Turbulence in the sky.A. Turbulence in the sky.A. Turbulence...Flying faster (P6)Flying faster (P6)Flying faster (P6)Flying faster (P6)Choose the answer:Choose ……

works with planes up to 1,800 kilograms. Regional jets weigh 36,000 kilograms and fly at more than 960...).The parachute, stored behind the rear seats in planes, is fired with a rocket through the rear windshield ……

The pilots selected for the test pilot program fly the air force’s newest planes in the movie Born... of China’s flying technology. They must first undergo (经历) a difficult testing process to see if they have ……

for the plane to soar (上升) high in the sky.The steppe eagle (草原雕) has a similar problem. They have... to clean the plane. It also saves (节约) water!Dragonfly wings学蜻蜓，更平稳Dragonflies are very good at flying ……

kilometers high in the sky, but the Overture will fly at about 18.29 kilometers by comparison... airliners fly between 11.5 and 12 kilometers high in the sky, but the Overture will fly at about 18 ……

22, the Chinese navy (海军) had some big news! Three of its jets successfully  finished..., the Chinese navy (海军) had some big news! Three of its jets successfully  finished their first takeoff ……