The phrase "aviation categories" is correct and usable in written English.
It can be used when discussing different classifications or types within the field of aviation, such as aircraft types, pilot licenses, or regulatory classifications.
Example: "The aviation categories established by the FAA help ensure that pilots are properly trained for the specific types of aircraft they will operate."
Alternatives: "aircraft classifications" or "aviation classifications".
The Federal Aviation Administration has announced that it was downgrading its rating of Mexico's oversight of civil aviation from Category 1 to Category 2 because Mexico had failed to meet the international safety standards of the United Nations agency for civil aviation.
Every year, over 1,000 high school kids from 72 countries and all 50 states submit to the Conrad Foundation their ideas, inventions and solutions to real world problems in one of four categories - aviation and aerospace, cyber-technology and security, energy and environment, and health and nutrition.
"Any state which directs violence against another nation," Foreign Secretary Geoffrey Howe has declared, "must meet the anger of the whole civilized world". The El Al bombing attempt would appear to fall into the category of aviation crime that the United States and its principal allies have agreed should lead to the severing of all air links.
The statistics bureau places delays in broad categories of national aviation system problems, like bad weather, heavy traffic and air traffic control problems.
The Spirit of Innovation Challenge program engages students ages 13 - 18 by challenging them to create a commercially viable product or service to solve a global challenge for the benefit of humanity in one of four categories: Aerospace and Aviation, Cybertechnology and Security, Energy and Environment, and Health and Nutrition.
Aviation Week Magazine awarded him first place in the military art category of its aviation art contest for his painting "Nowhere to Hide!" It shows a magenta F-15E Strike Eagle emerging out of gold-rimmed clouds in pursuit of a target.
Builders of civil aircraft comprise two categories: producers of general aviation aircraft and producers of heavy aircraft.
More recently key allies like the British and Dutch have eliminated entire military categories such as carrier aviation and armor.
The part of the process of interest to potential travelers is that the two nations will in the next few weeks exchange contingents of technical experts in a number of categories, among them civil aviation.
"This investment, made as the engines were still cooling in the demo area, is further proof of our ability to disrupt the aviation industry and create a new category in human aviation.
