HH-60L CH5

Question 1

Torque Limits

Answer 1

10 Sec: 
Single ENG     135-144
Over 80Knts   100-144
Under 80Knts 120-144
Continuous:
Single ENG     0-135
Over 80Knts   0-100
Under 80Knts 0-120

Question 2

Rotor Start & Stop Limits

Answer 2

45 Knots any direction

Question 3

Rotor Speed Limitations

Answer 3

Power off (autos) rotor speeds up to 120% are authorized for use by maintenance test pilots during autorotational RPM checks

Question 4

Main Rotor % RPM R

Answer 4

Transient 101% - 107%
Continuous 95% - 101%
Transient 91% - 95%

Question 5

Power off

Autorotation

Answer 5

Maximum 110%
Transient 105% - 110%
Normal 90% - 105%

Question 6

Engine over speed Check Limitations

Answer 6

Engine over speed check in flight is PROHIBITED.

Eng overspeed checks, on the ground, are authorized by designated maintenance personnel only.

Question 7

TGT Limits

Answer 7

12 Sec   903 - 949
2.5 Min 878 - 903
10 Min   851 - 878
Start Abort 851
30 Min  810 - 851
normal  0 -810

Question 8

TGT Limiting

Answer 8

10 Min 866 +/- 6

2.5 Min 891 +/- 5

Question 9

Engine ( NG )

Answer 9

12 Sec 102 - 105
30 Min 99 - 102
Continuous 0 -99

Question 10

Engine RPM % 1-2

NP

Answer 10

12 Sec              105 - 107
Transient         101 - 105
Continuous     95 - 101
Transient         91 - 95
Avoid 20 - 40 & 60 - 90

Question 11

Engine RPM % limits

Answer 11

Max 120%

NP limiting 106 +/- 1

Question 12

Engine oil Pressure

Answer 12

5 Min Limit 100 - 120
Normal Op 26 - 100
Idle 22 - 26
Min at 90% NG 35

Question 13

Engine Oil Temp

Answer 13

30 Min 135 - 150

Continuous -50 - 135

Question 14

Transmission Oil Pressure

Answer 14

Precautionary 65 - 130
Continuous 30 - 65
Idle & Trans 20 - 30

Question 15

Pressure during Normal Flight

Slopes

Answer 15

Normal 45 - 60
Fluctuates greater than 10 psi or steady below 45 psi should be noted on the 2408-13-1
Slopes 10 deg 35-45
15 deg 10 -15

Question 16

Transmission Oil Temp

Answer 16

Precautionary 105 - 140

Continuous -50 - 105

Question 17

Fuel Quantity Internal

Answer 17

Normal 200 - 1500

Precaution 0 - 200

Question 18

Fuel Quantity CEFS

Inbal Outbound

Answer 18

200 Gal 1340 LBS

270 LBS Corrected 60Lbs

Question 19

Engine Starter Limits

Answer 19

15 deg & below 2 consecutive start cycles followed by a 3 min rest period, 2 additional start cycles, followed by a 30 min rest period before any additional starts
15 - 52 deg 2 consecutive start cycles, followed by a 30 min rest, and to additional start cycles.

Question 20

Eng Start Limits (Cross Bleed Start)

caution

Answer 20

1 or #2 Eng Anti-ice on advisory does not appear

NG 90% or above
RPM R 100%
( Eng Start above 18,000 ft PA could result in a Hot start)

Question 21

Pneumatic Source Inlet Limits

Answer 21

40psig and 30 ppm at 149* C

Maximum - 50psig at 249* C

Question 22

Weight Limitations

Answer 22

Maximum weight 22,000
External Lifts 23,500
Cargo hook 9,000 ( entry 2408-13-1 & inspection REQ over 8,000)
Ground Operation with 7 lug 20,500

Question 23

Weight Limitations Continued

Answer 23

Cargo Floor 300lbs per Sq Ft
4 cabin celling tie down 4,000lbs
Recue Hoist 600lbs

Question 24

Airspeed Operating limits

Answer 24

External Loads greater than 8,000 & corresponding above 22,00lbs - 120KIAS
Max 1 Eng 130
Autos above 16825 130KIAS
Autos below 16825 150KIAS
Cabin Doors open with Sound proof 100KIAS
Cabin Doors open with Sound Proof Installed properly or removed 145KIAS
Sideward or Rearward Flight 45KIAS (35KIAS W/ ERFs)
Not installed (Gunners Window 170)

Question 25

airspeed INOP SAS & Hydraulic SYS

Answer 25

``` 1 SAS 170KIAS 2 SAS 150KIAS 2 SAS IMC 140KIAS 1 Hyd 170KIAS 2 Hyd 150 KIAS 2 Hyd IMC 140KIAS ```

Question 26

Search Light & Landing Light | Stabilator Failure

Answer 26

Search Light: Stabilator Failure Extending 100KIAS below 40Knts - Full down Extended 130KIAS Above 40Knts - 0* Landing Light: Autorotation Limited to 120KIAS Extending 120KIAS Manual control not avail placard Extended 130KIAS Airspeed becomes VNE & no case to exceed 120KIAS

Question 27

Prohibited Maneuvers

Answer 27

Hovering turns greater than 30* per sec Pitch 30* & Roll 60* Simultaneous moving the ENG PGLs to Idle or Off while in flight ( throttle Chop) rearward ground taxi prohibited

Question 28

Restricted Maneuvers

Answer 28

Manual operation of the stabilator in flight except as required by formal training & maintenance test flight requirements or as alternate control if auto-mode malfunction. Prolonged rearward flight or downwind hovering are to avoided to prevent accumulation of exhaust fumes in the helicopter & heat damage to window on open cargo doors.

Question 29

maneuvering Limitations

Answer 29

High-Speed Yaw - above 80Knts avoid abrupt full pedal inputs to prevent tail RTR system loading. With a Sling - Limited to a Max angel of 30* bank in Frwd flight and side flight is limited by bank angel and is decreased as Airspeed increases. Rearward 35Knts. Recue hoist - Limited to a Max angel of 30* bank in Frwd flight and side flight is limited by bank angel and is decreased as Airspeed increases. Rearward 35Knts. and decent of 1,00fpm 30* bank with one Pri Servo caution appears

Question 30

Landing gear Limits

Answer 30

Don't exceed touchdown sink rate Below 16825: Above 16825: Flat 540fpm 300fpm Slope 360fpm 180fpm Landing speed max touchdown is limited to 60 Knts GND on level terrian

Question 31

Slope Limitations | caution

Answer 31

C: with external tanks ensure tank to ground clearance . Limits: Left / Right Wheel up : 15* max reduced by 2* for 5knts of wind. Nose up / down 6* up to 15 Knts of wind Main Gear box may be operated for 30 Min at a time with pressure fluctuations when the helicopter is known to be at a nose up attitude.

Question 32

Flight in Icing Conditions

Answer 32

N: ice detecting system is calibrated for 100KIAS | Ambient air temp is 4*C or below and visible liquid moisture is present, icing my occur.

Question 33

Required equipment for Icing

Answer 33

Trace or Light : 5.27 Moderate icing: Windshield anti-ice Everything in 5.27 & Pitot Heat Blade De-Ice Kit ENG Anti-ice ENG Inlet Anti-ice Modulating Valve Insulated ambient Air Sensing Tube Heavy or sevre is prohibited.

Question 34

ENG & ENG Inlet Anti-ice Limitations

Answer 34

At ENG power levels 10% TRQ and below, full anti-ice capability cannot be provided.

Question 35

Backup HYD pump Hot weather limitations

Answer 35

With the RTR sys static: FAT* C OP Time Cool Down Time -54* - 32* Unlimited --------------- 33* - 38* 24 Min 72 Min 39* - 52* 16 Min 48 Min

Question 36

APU Operating Limitations

Answer 36

With one ENG, RTR operating, & 43* and above 30Min | ENG & RTR INOP, & ambient temp up 51* continuously

Question 37

Windshield Anti-ice Limitations

Answer 37

check shall not be done when FAT is over 27*C

Question 38

Turbulence and Thunderstorm OP

Answer 38

Intentional flight into severe turbulence is prohibited. Intentional flight into Thunderstorm is prohibited. Intentional flight into turbulence with a sling load and an INOP collective pitch control friction is prohibited.

Question 39

Gust Lock Limitations

Answer 39

W: Before ENG OP can be preformed with the gust lock engaged, all tie downs shall be removed. Dual-ENG OP with gust lock engaged is prohibited. Single-ENG OP with gust lock engaged will be preformed by authorized pilot(s) at IDLE only. Gust lock shall not be disengaged with ENG running.