National Aviation Academy :: Aviation Dictionary

Aviation Dictionary

The dictionary posted here is a tool for our visitors to better understand some of the terms used in Aviation and Aircraft Maintenance. This dictionary will continue to grow over time and will be integrated throughout our website for better usability and convenience.

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Definition of ADI Fluid

Antidetonation Injection Fluid. A mixture of water and methanol, which is injected into the carburetor of an aircraft reciprocating engine to prevent detonation when the engine is producing its maximum power.