Ticket cargo and passenger cabin also has a classification

Ticket cargo and passenger cabin also has a hierarchical classification during the Spring Festival is coming, buy a plane ticket has already become the focus of attention. Nowadays, plane tickets are divided into many levels, including business, first class and second class seat, seat soft berth, hard sleeper, soft sleeper seat seat, hard seat and no seat, ticket is the same. Airline ticket prices generally fall into three categories: first class, business class and economy class. Not only have a cabin in the cabin, also has a cabin of cargo compartment. Shanghai air freight company regulations of transport aircraft airworthiness standards ( CCAR - 25 - R4 ) Rules on the transport aircraft airworthiness standards, the cargo space is divided into four levels: A, B, C and D, and asked not to carry the crew or passengers each hold one of the cargo and baggage meet standard level requirement. Class A cargo compartment or trunk refers to meet the following conditions: ( 1) The crew can be easily found in their work place fire; ( 2) Each part of the easy access to the cabin in flight. Generally speaking, the class A cargo compartment is A small cargo, it can be located in the cockpit and cabin, or near the plane of the kitchen area, or in the back of the plane. Class B goods or baggage compartment refers to meet the following conditions: ( 1) Have enough channels for the crew to carry portable fire extinguisher, to reach any part of the flight cabin effectively; ( 2) Use the channel, no dangerous amounts of smoke, fire or fire extinguishing agent into any cabin crew or passengers; ( 3) There is a recognition of smoke detectors or fire detector system independently, can work in the pilot or flight engineer position. Class B cargo is often much larger than the class A cargo hold, may be farther from the cockpit. Class C goods or baggage compartment refers to not meet the requirements of the class A and class B class, but this kind of tank should meet the following conditions: ( 1) Have an approved independent smoke detectors or fire detector system, can be used by the pilot or flight engineer warned in the work place; ( 2) Have a fixed fire extinguishing system approval, you can work from the pilot or flight engineer position operation; ( 3) There are measures to prevent the dangerous amounts of smoke, fire extinguishing agent and the crew or passengers go into any room; ( 4) There are measures to control the cabin ventilation and convulsions, so that the extinguishing agent used to inhibit the cabin any possible fire. Class C cargo volume is usually greater than class A or class B cargo: this kind of cargo usually is located in the under deck of wide-body aircraft. Class C cargo may have two fire extinguishing system, so that the second fire extinguishing system can be the first time in the initial fire extinguishing fire control after a certain time once again. Class D hold only refers to the plane for loading of cargo space and satisfy the following conditions: ( 1) Have an approved independent smoke detectors or fire detector system, can use the system in the pilot or flight engineer position warning; ( 2) Have measures to cut into the cargo hold or cargo hold ventilation airflow. These measures of control unit in the cabin crew can be close to; ( 3) There are measures to prevent the dangerous amount of smoke, fire, or poisonous gas into the cockpit; ( 4) Under any loading condition, the crew of the emergency exits are needed to be close to. E class cargo usually consists of a cargo of the main chamber. At the same time, it is also equipped with a C grade lower cargo compartment. Traditional airliners are equipped with class C cargo compartment at the bottom of the cabin. Shanghai air freight company's existing aircraft cargo space is C level, can transport of dangerous goods.