Powerplant RKA Questions

Question 1

How many Full Authority Digital Electronic Controls (FADEC) does each engine have?

Answer 1

• Two single channel FADECs (AOM 9-06-01)

Question 2

Where are the engine indications and alerts displayed?

Answer 2

• On the Engine Indication and Crew Alerting System (EICAS) (AOM 9-06-01)

Question 3

Which position of the ignition selector knob allows the FADEC to control the ignition system depending on engine requirements?

Answer 3

• AUTO (AOM 9-06-30)

Question 4

Which thrust lever position provides the maximum thrust rating available for dual or single engine operation?

Answer 4

• MAX (AOM 9-06-30)

Question 5

Which thrust lever position selects the takeoff and go-around thrust and mode settings?

Answer 5

• TO/GA (AOM 9-06-30)

Question 6

What does pressing the EVENT MARKER button cause the ECU (FADEC) to do?

Answer 6

• Record for a total of 3 minutes (2 minutes before pressing the button and 1 minute after the EVENT MARKER button is pressed) (AOM 9-06-30)

Question 7

When is the OAT on the EICAS indication displayed?

Answer 7

• Up until the takeoff run (AOM 9-06-30)

Question 8

What are the thrust reversers used for and during what phase of flight?

Answer 8

An on-ground additional braking device used for:

1. Landing
2. RTO only

(AOM 9-06- 60)

Question 9

Is backing up the airplane with reverse thrust allowed?

Answer 9

• No, it is prohibited (AOM 2-40)

Question 10

Upon landing, when should the thrust reversers be stowed?

Answer 10

• At 40 kts (AOM 2-40)

Question 11

When are the thrust reversers available?

Answer 11

1. With WOW (signal indicating that the airplane is on the ground)
2. Wheel speed

(AOM 9-06 60)

Question 12

What icon on the EICAS indicates the current status of the thrust reverser?

Answer 12

• A REV icon (AOM 9-06-30)

Question 13

What color icon indicates that the thrust reversers are commanded and deployed?

Answer 13

• A green REV (AOM 9-06-30)

Question 14

What color icon indicates that the thrust reversers are commanded and in transition?

Answer 14

• An amber REV (AOM 9-06-30)

Question 15

Where is the IGNITION status displayed?

Answer 15

• On the EICAS (AOM 9-06-30)

Question 16

What does a green IGN indicate?

Answer 16

• The Igniters are Commanded ON
(AOM 9-06-30)

Question 17

What icon on the EICAS indicates that the igniters are commanded to OFF?

Answer 17

• A cyan IGN OFF (AOM 9-06-30)

Question 18

Where can the oil level be accurately read?

Answer 18

1. In the sight glass (or)
2. Remote Oil Level Sensor (ROLS)

(AOM 9-06-30)

Question 19

When can the oil level be accurately read?

Answer 19

• From 5 to 30 minutes after engine shutdown (AOM 9-06-30)

Question 20

Is the engine oil quantity indication visible with an engine running or in flight?

Answer 20

• No, it is hidden. (AOM 9-06-30)

Question 21

What is the maximum oil consumption rate of the engine per hour?

Answer 21

• 0.04 quarts (or 1 quart per 25 hours)

(AOM 9-06-50)

Question 22

List the three sources of air pressure that the Air Turbine Starter can use for an engine start.

Answer 22

1. The APU,
2. An opposite engine (or)
3. Ground air supply

(AOM 9-06-55)

Question 23

What is the purpose of the Automatic Takeoff Thrust Control System (ATTCS)?

Answer 23

Provides Automatic Thrust Increase in case an OEI condition is detected for Takeoff or Go-Around

(AOM 9-06-70)

Question 24

When is the ATTCS function available?

Answer 24

• When WAI is ON “ICE PROT” mode knob in “ALL”

(AOM 9-06-70)

Question 25

Which takeoff ratings may be selected by the flight crew prior to takeoff?

Answer 25

1. The **Full Rated** Mode **(T0-1)** 2. The **Derated** Mode **(T0-2)** (AOM 9-06-70)

Question 26

List the engine power settings that may be selected by the flight crew.

Answer 26

1. Takeoff/Go-Around (TO/GA) 2. Maximum Continuous (CON) 3. Climb (CLB) 4. Cruise (CRZ) 5. Maximum Reverse (for landing or a rejected takeoff) (AOM 9-06-70)

Question 27

What are the Starting and Motoring cycle limits?

Answer 27

1. Max **Accumulated** Time: **(5)** Minutes 2. Max Consecutive **Cycles** - **(3)** *After reaching **5 min** of Accumulated Time or **(3) cycles** **, (whichever occurs first)**, Combining Consecutive Engine Start and Motoring: **15** minutes of cooldown is required (AOM 2-40)

Question 28

What are the engine starter duty cycle limits?

Answer 28

• Starts 1 through 3: **Maximum time of 80** seconds with no cool-down time required. The 4th and subsequent starts have a maximum time of 80 seconds with a 15-minute cool-down time required (AOM 2-40)

Question 29

How many consecutive starts are allowed before a cooling time of 15 minutes is required prior to additional starts or motoring?

Answer 29

• 3 (AOM 2-40)

Question 30

Can the engine be started with an ITT above 450°C? If so, what must be accomplished prior to start?

Answer 30

• **Yes**, **DRY MOTOR** the associated engine for **30 seconds** prior to start (AOM 3-11)

Question 31

When can HP thermal bow occur? If an engine restart is desired within that time period, what must be accomplished?

Answer 31

1. When engine starts are initiated between **15** and **180** minutes after an engine shutdown. 2. Dry motor the associated engine for **15** seconds (or until N2 reaches **23%**) prior to start. 3. After completion of that procedure, a normal engine start sequence can be initiated any time after **3 minutes** and before **40 minutes** have elapsed (AOM 3-11)