-10 V4 Chapter 5

Question 1

Rotor Speed (Nr) Limits - %

Answer 1

Maximum (>110 red) - 110%

Transient (yellow) - 105 - 110%

High Rotor Warning Annunciated - 105%

Normal (green) - 97 - 104%

Low rotor warning annunciated - 97%

Transient (red) - 0 - 96%

Question 2

ENG 1 or 2 OIL PRESSURE (PSI)

Answer 2

120 - Max (>120 red w/box

23 - 120 - Normal (Green)

23 - Min (<23 red)

Question 3

HYDRAULIC PRESSURE (PSI)

Answer 3

> 3410 - Transient - permitted for 5 sec (yellow) (>= 5 sec red w/box)

3310 - 3400 - Transient - Permitted for 5 min (yellow) (>= 5 min red w/box)

2700 - 3300 - Normal (green)

1260 - Min (<1260 red w/box)

Question 4

Engine Starter Limitations -

Engine Starts at Ambient Temp of 61F (16C) and below:

Answer 4

Two consecutive start cycles may be made, followed by a 3 MIN rest period, followed by two additional consecutive start cycles.

A 30 minute rest period is then required before any additional starts.

Question 5

Engine Starter Limitations -

Engine Starts at Ambient Temp above 61F (16C):

Answer 5

Two consecutive start cycles may be made. A 30 minute rest period is then required before any additional starts.

Question 6

Engine Starter Limitations -

Dual Engine Starts

Answer 6

Dual engine starts are prohibited due to insufficient IPAS air.

Question 7

Engine Temperature Limitations - (TGT *C)

Answer 7

949 - Max (>949 red)

904 - 949 - Transient, 12 sec (yellow)

880 - 903 - Contingency, 2.5 min (yellow)

847 - 879 - Max rated power, 10 min (yellow)

851 - Max during start

794 - 846 - Intermediate rated power, 30 min (yellow)

793 - Max continuous power

0 - 793 - Normal (green)

Question 8

Engine Temperature Limitations:

At what temperature does the TGT limiter control limit engine operation? Both Dual Engine (DE) and Single engine (SE)

Answer 8

DE - 879C +/- 5C

SE - 903C +/- 5C

Question 9

Engine Power Turbine Speed (Np) (Np %)

Np = N2

Answer 9

Max Digital Tape Reading - 120%

119 - Maximum (>119 red w/box)

114 - Engine Overspeed annunciated

104 - 119 - Transient, 12 sec, (yellow w/box at 114)

0 - 103 - Normal

Question 10

Engine Gas Generator (Ng) Limitations (Ng %)

Ng = N1

Answer 10

106. 0 - Maximum (>106.0 red)
107. 1 - 106.0 - Transient, 12 sec, (yellow)
108. 1 - 105.0 - Normal (green)
109. 0 - Minimum engine out warning annunciated (<63.0 red w/box)

Question 11

Engine Torque Limitations:

Limits - Torque (%) Digital Readouts with Nr <50%

Answer 11

30 - Max (>30 red)

0 - 30 - Normal (Green)

Question 12

Engine Torque Limitations:

Limits - Torque (%) Digital Readouts with Nr <90%

Answer 12

70 - Max (>70 red)

0 - 70 - Normal (green)

Question 13

Engine Torque Limitations:

Limits - Torque (%) Digital Readouts - Dual Engine

Answer 13

115 - Max (>115 red)

101 - 115 - Transient, 6 secs (yellow)

0 - 100 - Normal (green)

Question 14

Engine Torque Limitations:

Limits - Torque (%) Digital Readouts - Single Engine

Answer 14

125 - Max (>125 red)

121 - 125 - Transient, 6 sec (yellow)

111 - 120 - Single engine contingency, 2.5 min, (yellow)

110 - Single Engine maximum continuous power (green)

0 - 110 - Normal (green)

Question 15

Auxiliary Power Unit (APU) Operating Limits:

APU Clutch Limitation

Answer 15

Avoid prolonged operation at 94% - 96% Nr with the APU running. The APU clutch will oscillate from engaged to disengaged. This creates high loads on the clutch and shall be avoided.

Question 16

Auxiliary Power Unit (APU) Operating Limits:

Use in flight?

Answer 16

APU operation is prohibited during normal flight.

Question 17

Auxiliary Power Unit (APU) Operating Limits:

APU Start Limitations

Answer 17

After a fault or aborted start, wait 30 seconds after APU has stopped before attempting another start. After 2 consecutive start attempts, wait 20 minutes before third start attempt. No more than 3 start attempts are permitted in one hour.

Question 18

Auxiliary Power Unit (APU) Operating Limits:

APU XMSN TEMP 1 and XMSN TEMP 2 Limit

Answer 18

If the temperatures exceed 140*C, the APU shall be shutdown and the transmission fluid allowed to cool for 30 minutes prior to resuming APU Ground operations; or transmission fluid may be cooled by operating an engine with rotor turning.

Question 19

Weight Limitations - non-tactical ferry flight (lbs)

Answer 19

23000lbs

Question 20

Weight Limitations - Tactical flying (lbs)

Answer 20

20260lbs

Question 21

Airspeed Operating Limits:

Airspeed Limits for Autorotation - KTAS

Answer 21

145 KTAS

Question 22

Airspeed Operating Limits:

Airspeed Limits for Single Engine Operation

Answer 22

Maximum airspeed for single engine operation is the greater of:

1. 67% of Vne determined using the Airspeed Operating Limits Chart using the GROSS WEIGHT line.
2. The airspeed for minimum power determined from the applicable chapter 7 cruise charts using the MAX END / MAX R/C lines

Question 23

Airspeed Operating Limits:

Maximum Airspeeds during manual stabilator operations

Answer 23

Maximum airspeeds are based on stabilator position. The stabilator position and nominal airspeed restrictions are dispayed on the FLT FLT SET and SYS pages, as described in Para 2-47d of the -10.

Question 24

Airspeed Operating Limits:

Maximum rearward and sideward airspeed

Answer 24

45 KTAS for all gross weights

Question 25

Airspeed Operating Limits: Maximum Airspeed for Searchlight Extension

Answer 25

Extend / Retract / Rotate up to 90 Kts If movement operation is not attempted, the lighthead can be left in any extended position at speeds up to Vne.

Question 26

Airspeed Operating Limits: Flight with RCEFS

Answer 26

Authorised up to Vne

Question 27

Airspeed Operating Limits: Maximum Airspeed for CEFS Installed

Answer 27

130 KTAS