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Checklist > Engine Start > Flashcards

Engine Start Flashcards

1
Q

What is the minimum pressure to do a cross bleed start?

A

You need 40-45psi

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2
Q

under what condition would you get a BRL LH (RH) FAULT (FAIL) EICAS message on push back

A

When being pushed above 5kts and hydraulic system 1 or 2 is de-pressurazied.

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3
Q

After start up if you get no oil pressure indication at normal RPM what do you do?

A

Shut down the engine.

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4
Q

What are the Start Time cranking Limits on the Ground

A

90s on 10 off - Starts 1 - 2

90s on 5 Minutes off 3 - 5

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5
Q

What are the Start Time cranking Limits in the Air

A

120s on 10s off - 1 - 2

120 on 5 Minutes off 3 - 5

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6
Q

Dry Motor Cranking Limits

A

90s on 5 minutes off 1 Start

30s on 5 minutes off 2-5 starts

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7
Q

When should you manually abort an engine start?

A
  1. No ITT raise with in 30 seconds
  2. No N1 indiction after starter cutout 50% N2
  3. No Oil pressure by the time normal RPM is achieve.
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8
Q

When you “Set” the MCDU in the Before Start to the Line what are you checking in the MCDU

A
  1. Checking the routing and each way point.

2. Any speed and altitude restrictions.

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9
Q

When checking the MFD in the before start flow, what are you checking

A
  1. Green Oil Level

2. Emergency Brakes Accumulator Level

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10
Q

What do you communicate to ground crew during push back

A
  1. Steering Off
  2. Parking Brake off.
  3. Ready for push back
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11
Q

While using hand signals during push back, what does the brakes realease signal indicate to the push crew?

A

nose wheal steering is off and brakes are realize ready to push.

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12
Q

The APU will always be shutdown after first engine start unless

A
  1. Need it for performance

2. Anticipate long delays where engines will be shutdown.

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13
Q

Wait how many seconds after starting the engine to shut APU

A

wait 30 seconds

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14
Q

When can the captain perform an engine start?

A

With parking brake on aircraft not moving.

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15
Q

How long must the engines be warmed up prior to takeoff thrust applied

A

2 minutes

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16
Q

During low oil temperatures the engine must be shutdown when the oil pressure stays below minimum levels for how long

A

2 minutes

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17
Q

Abnormal Start indications that will cause you to abort a start are:

A
  1. Temp higher than 815c
  2. No rise in N1 by the time the started cut out 50% N2
  3. No Raise in Oil Pressure indication
  4. No raise in ITT 30 seconds after engine start.
  5. Hung Start - No Raise in N1 or N2
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18
Q

What engine do you start first during a External High Pressure cart star

A

Start Engine #2 and turn on Hydraulic Pump #1 for outboard Brakes

19
Q

How long after N2 stabilizes should you shut down the APU?

A

30 seconds

20
Q

How do you know how much DUCT pressure is needed to a ground start?

A

Look at SOPM at the chart

21
Q

If the engine automatically shuts down after an engine start due to hot start but you don’t have a ENGINE EXCEEDENCE EICAS message how many more starts can you try.

A

2 more starts.

22
Q

How long may be required for the IDGs to stabilize and produce steady power in cold weather?

A

5 Minutes

23
Q

When do you need to look at the QRH when doing a start

A
  1. Engine Ground High pressure cart start

2. Engine Battery Start

24
Q

When would you get a NO TAKEOFF FLAP Aural warning

A

When the Flaps positions are different from what the FMS has and your are doing the Takeoff Config check.

25
Q

What are the Times you need to reference the QRH for an engine start?

A
  1. High Pressure cart start

2. DC Power start

26
Q

The APU is always shutdown after engine start unless?

A
  1. Needed for performance

2. Anticipating Long delays

27
Q

After the 2nd engine start the N1 value can not be above or below what value?

A
  • No more the +.5

- No less than -.0

28
Q

What happens during an engine start at 50% N2

A

The Air Starter Control Valve closes the high pressure air.

29
Q

During an engine start your oil pressure should raise within

A

10 seconds

30
Q

What can cause a Hot Start?

A
  1. To much fuel
  2. Improper Ignintion
  3. Not enough Air from air source
  4. Tail Wind
31
Q

How Much thrust doe TO-1 give you and how Much Thrust does TO-2 give you?

A
  1. TO - 1 -> 13,000lbs of thrust

2. TO - 2 -> 11,700lbs of thrust

32
Q

How Much thrust doe TO-1 give you and how Much Thrust does TO-2 give you?

A
  1. TO - 1 -> 13,000lbs of thrust

2. TO - 2 -> 11,700lbs of thrust

33
Q

Whats an ENG REF ECS DISAG?

A

You need to fix the bleed source. Most likely APU is still on and you told it ECS ON in the MCDU

34
Q

During an unpressurized takeoff, when do the bleeds open back up?

A

500, feet.

35
Q

On Push back what can happen if you get pushed back to fast?

A

Being pushed back at faster than 5kts you get Brake Fault and the Auto Brakes will cliff off. and hydraulic system.

36
Q

What items does the FADEC abort a start?

A
  1. Hot Start
  2. Hung Start
  3. No Light off
37
Q

What is the Engine start sequence?

A
  1. N2 Starts turning
  2. 7% N2 Ignition -> 2 Sets of ignitors but only use 1
  3. Fuel Flow Introduces about 20% N2
  4. Light off
  5. 35% N2 N1 starts to raise
  6. 50% N2 ignition goes away and starter controlled valve. closes.
38
Q

When do you know you have a normal start

A

ITT Red Mark jumps on the ITT gauge

39
Q

Conditions of a Hot Star

A 
High than normal Fuel Flow
Rapid Raising ITT
----------------------------------------
1. To much Fuel 
2. Improper Ignition
3. Interrupts AirFlow
40
Q

Conditions of Hung Start

A
  • N1 just hangs there needle does not go anywhere

- Engine Gets hung up before it becomes self sustained.

41
Q

No Light OFF

A
  • Fuel Flow goes into the engine but does not light off.

- Bad Ignitor

42
Q

FADEC will not introduce fuel on a start unless the ITT temperature is?

A

120 degrees.

43
Q

When would you get APU SHUTTING DOWN white status message?

A

When you move the APU Knob to OFF. It takes 1 minute shutdown. Cool down period. Bleeds are taken away right away, electrics stay for 1 minute while its shutting down.

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