There are more than 1 million types of planes in the world
There are lots of types of aircraft on the world. Aircrafts are separated by engine number, fuselage dimensions, engine types, military or civil, passenger, cargo and helicopter.
There are about 312000 aircraft's in the world and out of them 17700 are passenger carrier aircrafts
boeing
Passenger airplanes usually fly around 30,000-38,000 feet. Small aircrafts fly lower and military aircrafts can fly higher.
Cessna company offers many types of jets and airplanes to suit your needs. They offer single-engine aircrafts as well as a wide range of types of jets, and turbo-props aircrafts. Some examples of their aircrafts are the Cessna Skymaster, Cessna 305 Birddog, Cessna Conquest II and the Cessna 185 Skywagon.
37
I'm not sure how narrowly defined you want your categories, but here are a few: Freight Passenger Firefighting Military: (many types including attack, fighter, bomber, patrol, etc.) Research: weather, exploration, etc. And then you have further breakdowns such as seaplanes and land planes.
Lots
204 airplanes. Here are all the types: - Airbus A319-100 - Total of aircrafts is 37 - Airbus A320-200 - Total of aircrafts is 41 - Airbus A321-200 - Total of aircrafts is 10 - Airbus A330-300 - Total of aircrafts is 8 - Boeing 767-300ER - Total of aircrafts is 30 - Boeing 777- 200LR - Total of aircrafts is 6 - Boeing 777-300ER - Total of aircrafts is 12 - Boeing 787-8 - Entry into service is 2014, replacing the Boeing 767-300ER - Boeing 787-9 - Entry into service is 2015, replacing the Boeing 767-300ER - Embraer 175 - Total of aircrafts is 15 -- To be transfered to and operated by Sky Regional Airlines by June 2013 - Embraer 190 - Total of aircrafts is 45
about 6000
thirty five
Air locking windows are types of windows that do not allow air to pass through them. These are the types of windows that are normally used in aircrafts.