PowerplantAW139

1. What is not an indication of an engine compressor stall?

• a. Steady or increasing torque.

• b. A rapid increase in PI with ITT as limiting parameter.

• c. Loud banging or popping noises.

• d. Fluctuating NG speed coupled with failure to respond to power demand.

2. If the 1 or 2 ENG OIL TEMP caution light illuminates and the associated engine

oil temperature gauge indicates 145 degrees to 150 degrees Celsius, how long is

the engine permitted to run before shutdown?

• a. A maximum of 1 minute.

• b. A maximum of 2 minutes.

• c. A maximum of 30 seconds.

• d. A maximum of 90 seconds.

3. What is not a good indication, during AEO operation, to confirm an engine

failing after the associated 1 or 2 ENG CHIP light illuminates?

• a. Decreasing rotor speed.

• b. Engine speed begins to decrease.

• c. Engine oil pressure/temperature changes significantly.

• d. Engine vibration increases.

4. What problem is indicated if a 1 or 2 OVSPD caution light illuminates?

• a. An engine runup has occured or a drive shaft has failed.

• b. The engine fuel governor has malfunctioned.

• c. The main transmission gearing is rotating too fast.

• d. The main rotor is turning too fast.

5. What is recommended if, during engine start, NG stagnates below 54 percent?

• a. Shut down the engine.

• b. Re-engage or keep starter engaged until NG begins to increase.

• c. Move the Engine Control lever to FLIGHT position.

• d. Leave fuel pump ON.