Powerplant Flashcards

1
Q

Min oil temp for start

A

-40˚C

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2
Q

Max oil inlet temp

A

Continuous - 105˚C

15 min - 120˚C

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3
Q

Min oil temp to move power levers

A

-30˚C

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4
Q

Min oil pressure at idle

A

16 PSI

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5
Q

Min engine fuel temp

A

-40˚C

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6
Q

Max engine fuel temp

A

Continuous - 90˚C

15 min - 120˚C

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7
Q

Min oil press for takeoff

A

30 PSI (@ TO Pwr)

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8
Q

Minimum oil press to complete flight

A

97.5% HP (Max Cont) - 25 PSI
92% HP - 22 PSI
84% HP - 19 PSI
76% HP - 16 PSI

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9
Q

Acceptable Takeoff Power EPR Range

A

TO EPR ≤ .01 of rated EPR

TO EPR ≤ .05 of rated EPR

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10
Q

Airstart Ignition Duty Cycle

A

W/ASC 304 - NONE
W/O ASC 304 - 5 min on / 30 min off
30 sec on / 30 sec off - No Limitation

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11
Q

Max ground start TGT

A

700˚C Momentary (2 sec)

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12
Q

Max airstart TGT

A

780˚C Momentary (2 sec)

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13
Q
Max Takeoff / Go-Around Power
LP
HP
TGT
Time
A

LP: 95.5%
HP: 99.7%
TGT: 716-800˚C

5 min / 10 min single engine

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14
Q

Max Continuous Power
LP
HP
TGT

A
  • LP: 95.5%
  • HP: 97.5%
  • TGT: 715˚C
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15
Q

Minimum Approach Idle

A

LP: —-
HP: 67%
TGT: —-

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16
Q

Minimum Ground Idle

A

LP: —-
HP: 46.6%
TGT: —-

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17
Q

Max Reverse

A

LP: —-
HP: 88%
TGT: 695˚C

No time limit
1 min every 30 min if no ASC 166

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18
Q

Max Overspeed

A

LP: 98.3%
HP: 102.6%
TGT: —-

20 sec

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19
Q

Max crosswind for engine start

A

30 Kt

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20
Q

Max TGT to initiate engine start

A

150˚C

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21
Q

Max tailwind for engine start

22
Q

“OIL PRESS LOW” CAS message illuminates when?

A

Oil press < 16 PSI

23
Q

Engine Starter Duty Cycle

A

30 sec ON / 30 sec OFF
30 sec ON / 30 sec OFF
30 sec ON / 15 min OFF

24
Q

Thrust Rating

25
Max altitude for guaranteed start
25,000 MSL
26
Airstart Envelope
≤ 25,000 MSL | 200 - 324 KCAS
27
Minimum altitude for autothrottles
Can be used for TO Landing: 50' AGL
28
Automatic Idle Speeds (4)
Ground Idle: 46.6% HP Flight Idle: 48% HP Above 15,000': 49.5-78% HP (up to FL450) Approach: 67%
29
Powerplant Make and Model Number
Rolls Royce Tay Mk 611-8
30
What automatic shutdown protection feature is provided by the TAY 611-8?
LP shaft failure protection will shut the engine down and will lock the HP fuel cock in the OPEN position.
31
What is the guaranteed minimum thrust rating on the TAY 611-8 engine?
13,850# @ 30º C
32
What is indicated by illumination of the “ENG IDLE” light on the ground?
Engine idle is at approach idle (67% HP RPM)
33
The amber EICAS indication identified as “SVO” should extinguish by what HP % RPM?
44.5% HP
34
What does the green EICAS indication “IGN” indicate?
The ignition relay is energized
35
What is the maximum altitude and the airspeed envelope for a guaranteed engine air start?
- 25,000 feet | - 200 - 324 KIAS
36
During an auto throttle takeoff, when does the auto throttle system go to EPR HOLD mode?
At 60 knots indicated airspeed, regardless of EPR setting
37
When does the red “OIL PRESS LOW” CAS message illuminate?
When the oil pressure < than 16 psi
38
What are the autothrottle engagement requirements? (4)
- Isolation Valve Closed - Autothrottles Armed - TO / GA Mode Selected - EPR ≥ 1.17
39
What conditions (9) would cause the autothrottles to disengage?
``` Autothrottle Arm Switch Selection of Opposite AT Computer Authrottle Disengage Switches Autothrottle Engage Switches (second push) Manual Override Isolation Valve Open Alternate Flap Selection LP Split > 20% Either HP < 41% ```
40
If an engine fails after V1 during takeoff, when are the flaps retracted?
At V2 + 10 and 1500 feet AGL minimum
41
On takeoff, with autothrottles engaged and FLCH selected, when is the power set to climb power?
At 400 feet AGL minimum altitude
42
What is the limitation concerning the use of the engine starter?
- Continued use of the starter is limited to 3 crank cycles, with a maximum of 30 sec per cycle - Delay 3 minutes between start attempts - After 3 cycles, delay use of starter for at least 15 minutes
43
What is the proper procedure if the green “IGN” mnemonic does not illuminate on the EICAS during an engine start?
The start may be salvaged by selecting AIR START IGN to ON prior to opening the HP fuel cock
44
When performing an engine start during high tail wind conditions, what is an indication that the LP rotation is positive?
HP rotation stabilized
45
During an engine start, when should engine ignition (light-off) occur?
Within 10 seconds after selecting the HP fuel cock to OPEN
46
What is the correct procedure to follow if the start valve has not closed by the time that engine idle speed (46.6%) is reached during an engine start?
Accomplish the start valve failure checklist in the QRH
47
If during an engine start, the EVM system momentarily displays values above the alert level (0.60), what action is required?
No action is required, this normally occurs on the first start of the day
48
When does the “HOLD” mode of autothrottle operation occur?
- On takeoff, at approximately 60 knots until another vertical mode is selected after attaining 400 feet AGL. - Above 400 ft the servos are repowered and the power levers move to a thrust rating appropriate to the vertical mode selected on the guidance panel
49
When is the “START” position of the HP fuel cocks used?
This position is never used for flight crew operations
50
What is the time limitation on the air start ignition system?
- 30 sec on, 30 sec off OR 5 min on, 30 min off | - There is no time limitation with ASC 304 installed
51
When should you check the oil level?
Within 30 minutes of engine shutdown at termination of the last flight of the day or at intervals not exceeding eleven (11.0) hours cumulative flight time.