What does the acronym "ATOMATO FLAMES" refer to in IFR required equipment?

The acronym "ATOMATO FLAMES" represents the essential instruments and equipment that must be equipped in an aircraft operating under Instrument Flight Rules (IFR). This mnemonic helps pilots remember the specific items required for safe operation in instrument conditions.

The components of "ATOMATO FLAMES" include:

• A - Altimeter

• T - Tachometer

• O - Oil pressure gauge

• M - Manifold pressure gauge (for constant speed propeller/piston engines)

• A - Airspeed indicator

• T - Temperature gauge (for liquid-cooled engines)

• O - Oil temperature gauge (for air-cooled engines)

• F - Fuel gauge

• L - Landing gear position indicator

• A - Altimeter (a second mention indicating redundancy)

• M - Magnetic compass

• E - Emergency locator transmitter

• S - Safety equipment (such as the ability to communicate)

By knowing this acronym, pilots can quickly recall the mandatory equipment required for IFR operations, ensuring they are prepared for safe navigation and response in various flight scenarios. This knowledge is crucial for passing the IFR checkride and ensuring adherence to regulations