✔ 最佳答案
B737 - for version 100/200/300/400/500/600/700, all would have 3 door at either side of the aircraft... version 800/900 will have 4 door on the side... For all types, there will be 1 door at the front and 1 at the back while the rest will be over wing exit... B737 will also have a special tail which is different from all other type of aircraft... For version 600/700/800/900, winglets could be fitted as a additional to its wing...
B767 - for version 200/200ER, they are similar to B737 with only 3 door at each side and 1 of which over the wing... While version 300/300ER/400 will have 4 doors at each side and no exit over the wing... For ER version and 400 version, winglets could also be fitted on the wing...
B777 - for version 200/200ER, there will be 4 doors at each side and no over wing exit... While version 300/300ER will have 5 doors at each side and 1 of which is overwing exit... B777 can be spotted with a bigger engine compare to all other types and the aircraft will not have any winglet as they are designed to be fuel efficient already...
A300 - for all A300 version, there will be 4 doors at each side and no over wing exit... This is 1 of the few Airbus type without winglet... So it could easily be spotted as only A300/A310 without winglet...
A310 - for all A310 version, there will be 3 doors at each side and 1 over wing exit... This is 1 of the few Airbus type without winglet... So it could easily be spotted as only A300/A310 without winglet...
A318 - Shortest A320family and aircraft in Airbus fleet... It has 3 door at each side with 1 of which is over wing... A318 is really similar to A319, but A318 wing is closer to the front exit... A small winglet is fitted on all A318...
A319 - Second shortest in Airbus fleet and A320family... It has 3 door at each side with 1 of which is over wing... A319 is very similar to A318... But A319 is stretched longer and the front door is further away from the wing compare to A318... A small winglet is fitted on all A319...
A320 - Main aircraft type of A320family... it has 4 door at each side with 2 of which is over wing... A small winglet is fitted on A320...
A321 - Longest stretched of A320family... It has 4 door at each side like A320... But none of which are over wing like A320... A small winglet is fitted on A321...
A330 - Part of the A330/A340 family... All version will have 4 doors at each side but none of which are over wings... A small winglet is fitted on all A330... And A330 is a twin engine jet with 1 at each side...
A340 - Part of the A330/A340 family... version 200/300/500 will have 4 doors at each side and none are over wings... version 600 have fitted with a additional overwing door to add it up to 5 doors at each side... A small winglet is fitted on all A340... Only different to A330 is that A340 is a 4 engine jet with 2 at each side...
#Regarding to their winglets, all airbus winglets are at a arrow shape like (<) while the Boeing side winglets are pointing upwards like this (/)...