In ETOPS, when an engine ceases to function in flight and is shutdown, which term is used to describe this event?

In ETOPS, when an engine ceases to function in flight and is shutdown, which term is used to describe this event?

• A. In-Flight Shutdown (IFSD)
• B. Instrument
• C. Idle Thrust
• D. Heliport

Answer: (A)

In ETOPS terminology, when an engine that was operating in flight is shut down, this event is called an In-Flight Shutdown. It means the crew deliberately stopped the engine because of a fault or abnormal condition, rather than it simply failing without any action. This designation is important for planning and dispatch decisions, as it affects engine-out performance calculations and diversion considerations. The other terms don’t fit: a term like “Instrument” isn’t related to engine status, “Idle thrust” refers to the minimum thrust setting rather than an event of shutdown, and “Heliport” is a destination concept for helicopters, not a description of an engine event in fixed-wing ETOPS operations.

In ETOPS terminology, when an engine that was operating in flight is shut down, this event is called an In-Flight Shutdown. It means the crew deliberately stopped the engine because of a fault or abnormal condition, rather than it simply failing without any action. This designation is important for planning and dispatch decisions, as it affects engine-out performance calculations and diversion considerations.

The other terms don’t fit: a term like “Instrument” isn’t related to engine status, “Idle thrust” refers to the minimum thrust setting rather than an event of shutdown, and “Heliport” is a destination concept for helicopters, not a description of an engine event in fixed-wing ETOPS operations.