Aviation Mechanic - General, Airframe, and Powerplant › III. Powerplant › Task K. Turbine Engine Air Systems

AM.III.K.K8

Knowledge

Turbine engine anti-ice system

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Helicopter Flying Handbook p. 4-19
Chapter 4: Helicopter Components, Sections, and Systems › Environmental Systems
pilot-controlled bleed air mixing valve. Anti-Icing Systems Anti-icing is the process of protecting against the formation of frozen contaminant, snow, ice, or slush on a surface. Engine Anti-Ice The anti-icing system found on most turbine ... vanes and to the inlet itself to prevent ice formation on the hollow vanes. A pilot-controlled, electrically operated valve on the compressor controls the air flow. Engine anti-ice systems should be on prior to entry into icing conditions…
Pilot Guide: Flight in Icing Conditions p. 21
Chapter 3. ICING EFFECTS, PROTECTION, AND DETECTION › 3-5. ANTI-ICING SYSTEMS › a. Bleed Air Systems
airplane’s skin. Such hot air systems are quite effective in preventing the formation of ice. NOTE: One drawback of a hot air system is that tapping air from the engine to anti-ice large surfaces affects engine temperature limits ... turbine powered airplanes. Pilots should keep in mind that while cruising or descending with anti-ice systems on, higher-than-normal power settings may be required to ensure sufficient bleed air is being supplied to the anti-ice system…
Airplane Flying Handbook p. 15-1
Chapter 15: Transition to Turbopropeller-Powered Airplanes › Gas Turbine Engine
some pneumatic aircraft systems tap into the source of hot compressed air from the engine compressor (bleed air) and use it for engine anti-ice, airfoil anti-ice, aircraft pressurization, and other ancillary systems after further conditioning its internal pressure…