The standard collective nouns for 'aeroplanes' are:
The World Wide Web is a collection of electronic documents that are linked together like a spider web. These documents are stored on computers called servers located around the world. The Web has evolved into a global electronic publishing medium and increasingly, a medium for conducting electronic commerce.
observation
A quartet.
A commune.
Hubble discovered other galaxies than our own. His work lead to the idea that these galaxies are generally moving away from our own Milky Way. Further, logical thinkers considered that the universe itself is expanding. And if the universe is expanding, it must at some point have been "compressed" with all the matter closer together. This is the source of the idea we call the Big Bang.
A collection.
A hanger
taxi control
flight route areas that has been covered.
a system is a collection of parts that when working together produce the required results
The collection of living organisms together with the ways they interact with each other and their environment is known as an ecosystem.
A group of psychiatrists is often referred to as a "faculty" or a "team" when they work together in a clinical or academic setting.
Call the collection a harem.
History museums often call them artifacts, science museums might call them specimens, art museums typically call them art, but all museums refer to them together as the collection.
moving firework
A comic's collection of humorous materials is referred to as a 'repertoire' .
Cutlery.