Normal Ops Limits

Question 1

Engine TGT ranges (ºC):

Transient
Contingency
Max Rated PWR
Intermediate
MCP

Answer 1

Transient: 904 - 949ºC for 12 sec, not above 949ºC at any point
Contingency: 880 - 903ºC for 2.5 mins
Max Rated PWR: 847 - 879ºC for 10 mins
Intermediate: 794 - 846ºC for 30 mins
MCP: 793ºC

Question 2

TGT Limit DE:
TGT Limit SE:

Answer 2

Dual: 879ºC (+/-5ºC)
Single: 903ºC (+/-5ºC)

Question 3

Nr Limits:

Answer 3

Transient: 105 - 110%
Normal: 97 - 104%
Low: 0 - 96%

Question 4

At what Nr does the Low AND High Rotor Annunciator activate?

Answer 4

Low: 96.5%
High: 105%

Question 5

Np Limits:

Answer 5

Transient: 104 - 119% for 12 sec, not above 119% at any point
Normal: 0 - 103%

Question 6

At what Np does the “Engine Overspeed Annunciator” Activate?

Answer 6

114% Np

Question 7

During decoupled autorotation, what Np range/split is possible?

Answer 7

100 - 105%

Question 8

Ng limits:

Answer 8

Transient: 105.1 - 106% for 12 sec, not beyond 106%
Normal: 63.1 - 105%

Question 9

At what Ng does the “ENG out” warning activate?

Answer 9

63% Ng

Question 10

TQ Limits (DE)

Answer 10

Transient: 101 - 115% for 6 sec, not beyond 115
Normal: 0 - 100%

Question 11

TQ Limits (SE)

Answer 11

Transient: 121 - 125% for 6 sec, not beyond 125
Contingency: 111 - 120% for 2.5 mins
Normal: 0 - 110% (MCP)

Question 12

TQ limits when NR <50 and NR <90

Answer 12

Normal when <50%: 0 - 30%
Normal when <90%: 0 - 70%

Question 13

HYD Limits (PSI)

Answer 13

Transient: 3310 - 3400 for 5 mins, above 3400 no greater than 5 sec
Normal: 2700 - 3300
Minimum: 1260

Question 14

ENG 1/2 Oil Pressure Limits:

Answer 14

Normal range: 23 - 120PSI

Question 15

Nose Gearbox (NGB) Oil Pressure (PSI)
+ Temp Limits (ºC):

Answer 15

Pressure Normal: 25 - 100 PSI
Temperature Normal: 0 - 134ºC

Question 16

XMSN Pressure (PSI) +
Temp Limits (ºC):

Answer 16

Pressure Normal: 25 - 100 PSI
Temp Normal: 32 - 134 ºC, max temp is 141 ºC

Question 17

How many consecutive engine starts can be made above AND below 16ºC and how long between each start is required?

Answer 17

Above 16ºC: 2 starts then 30 mins rest

Below 16ºC: 2 starts then 3 mins rest, then 2 more starts followed by 30 mins rest

Question 18

When oil is cold on start, oil pressure can be high, how long for this to be rectified and what should you do while waiting?

Answer 18

• 5 mins to heat up (max)
• Do not accelerate the engines above ground idle until oil pressure can held within limits

Question 19

What APU Nr should be avoided and why?

Answer 19

Nr between 94 - 96 should be avoided since the clutch will oscillate ON/OFF

Question 20

After how long utilising APU should XMSN temp be monitored:
How hot can the XMSN temp get before shutdown is req:
How long before APU can be restarted:

Answer 20

• 30 mins
• 140ºC
• 30 mins

Question 21

Explain the wait time following a APU aborted start for each start attempt:

Answer 21

1st start failed …….. Wait 30 sec to reattampt
2nd start failed …… Wait 20 mins to reattempt
3rd start failed ……. No more than 3 starts per hour

Question 22

Slope Limits + asymmetric load consids:

Answer 22

Lateral: 10º
Nose up: 7º
Nose down: 10º
Max Weight: 17650lbs

Asymmetric configs:
- 5º (roll)
- Caution when wind above 25kts

Question 23

Manoeuvring Limits:

Answer 23

Pitch: 60º
Roll: 120º

Question 24

Rotor start/stop Limits:

Answer 24

45kts

Question 25

Time between ATS:

Answer 25

60 sec

Question 26

Abort Start Criteria:

Answer 26

- TGT above/rapidly approaching 851ºC before 63% NG - TGT not increased within 45 sec - No Np within 45 sec - No oil pressure within 45 sec - If ENG START advisory is removed prior to 52% NG

Question 27

Max KTAS Autorotation:

Answer 27

145KTS

Question 28

Max KTAS for SE ops:

Answer 28

- 67% of Vne based on gross weight - Min PWR airspeed IAW Chap 7 using MAX END and MAX R/C

Question 29

Max rear/side airspeed:

Answer 29

45KTAS

Question 30

Max KTAS w/ searchlight:

Answer 30

90KTAS

Question 31

Stores Jettison speed requirements:

Answer 31

130+: Jettison not approved 45 - 130KTAS: Attempt to minimise sideslip 0 - 45KTASB: Ball centred

Question 32

All RCEFS/CEFS limits:

Answer 32

CEFS - 100kts MAX jettison speed, trimmed and level flight - 130kts MAX - 2Gs MAX - In the flight stow position (4ºNU) - Cannot fly on a single tank RCEFS - In the flight stow position (4ºNU)

Question 33

Level flight restriction above 9000DA:

Answer 33

40 - 130KTAS

Question 34

Manoeuvring flight restriction above 9000’ DA:

Answer 34

57 - 108KTAS

Question 35

Max gross weight:

Answer 35

Normal: 20,260lbs Non tactical (ferry): 23,000lbs

Question 36

Aggressive control inputs should be avoided below what speed?

Answer 36

45KTAS

Question 37

Aggressive directional and lateral control inputs greater than what should be avoided?

Answer 37

1 inch per sec

Question 38

Aggressive pedal action to arrest yaw rates greater than what should be avoided?

Answer 38

60º/sec

Question 39

Below what HYD accumulator Pressure are the aircrew unable to move the controls when EMERG HYD button is pressed?

Answer 39

1650 PSI

Question 40

Max NR for rotor brake application:

Answer 40

50%

Question 41

Min accumulator pressure for APU start:

Answer 41

2600 PSI

Question 42

What restrictions are associated with flight in turbulence:

Answer 42

Flight into *known* or *forecast* EXTREME turbulence is prohibited Flight into *known* SEVERE turbulence is prohibited

Question 43

What restrictions are associated with flight in icing conditions:

Answer 43

Flight into known of forecast MOD icing is prohibited Flight into light OR trace icing is allowed only if transient

Question 44

What are the acceptable ranges for ETF and ATF?

Answer 44

ETF: 0.85 - 1.096 ATF: 0.90 - 1.096

Question 45

Definite icing conditions:

Answer 45

Trace or higher (Displayed on the UTIL page) BLW 5ºC FAT *The ACFT will display an ICE advisory if these conditions are met*