Mh-60S Limits

Front 1

Right WOW Switch

Back 1

Ground: Enables Generator Under-frequency Protection
Disables Fuel Dump

Front 2

Left WOW Switch

Back 2

Ground:
1.Enables Hydraulic Leak Test
2.Enables Auto Preflight Checks
3.Enables Blade Fold
4.Disables Digital Clock (Flight Time)
5.Disables LAWS
6.Disables Cargo/Rescue Hoist
7.Disables Low Rotor RPM Warning
8.Disables ENG OUT Warning
9.Disables IFF Mode 4 Interrogator
10.Disables AUTOPILOT functions
11.Disables Automatic Backup Pump Operation in OFF mode (Enables in AUTO mode)

Front 3

TGT (without EDECU)

Back 3

0-810=continuous=green
810-851=30 min=yellow
851-903=2.5 min=red
903-949= 12 sec=red
949=max

Front 4

Np

Back 4

less than 96%=Avoid=red
96-101%=continuous=green
101-120%=12 sec=yellow
120%=max=red

Front 5

TGT (with EDECU)

Back 5

0-810=continuous=green
810-851=30 min=yellow
851-878=10min=yellow
878-903=2.5 min=red
903-949= 12 sec=red
949=max

Front 6

Nr

Back 6

less than 96%=Avoid=red
96-101%=continuous=green
101-120%=precautionary=yellow
120%=max=red
127%, 137%, 142%=overspeed latch

Front 7

Ng

Back 7

0-98%=continuous=green
98-102%=30 min=yellow
102-105%=12 sec=red
105%=max=red

Front 8

Nr (avoid during engagement)

Back 8

20-40% and 60-75%

Front 9

Dual-Eng < 80KIAS

Back 9

0-120%=continuous=green
120-144%=10 sec=yellow
144%=Max=red

Front 10

Dual-Eng > 80KIAS

Back 10

0-106%=continuous=green
106-127%=10 sec=yellow
127%=Max=red

Front 11

Single Eng Torque

Back 11

0-135%=continuous=green
135-144%=10 sec=yellow
144%=Max=red

Front 12

Transmission Oil Temp

Back 12

-50-105C=continuous=green
105-120C=Precautionary=yellow
120C=Max=red

Front 13

Engine Oil Temp

Back 13

-50-135C=continuous=green
135-150C=30 min=yellow
150C=Max=red

Front 14

Transmission Oil Pressure

Back 14

<20psi=min=red
20-30psi=Idle=yellow
30-65/45-60psi=Continuous=green
65-130psi=Precautionary=yellow
130psi=Mas=red

Front 15

Engine Oil Pressure

Back 15

0-22psi=min=red
22-26psi=Precautionary=yellow
26-100psi=Continuous=green
100-120psi=Precautionary=yellow
120psi=Max=red

Front 16

Engine Oil Pressure (Idle)

Back 16

22-55psi

Front 17

Airspeed: Sideward/Rearward flight with external loads

Back 17

35KIAS

Front 18

Airspeed: Sideward/Rearward flight

Back 18

45KIAS

Front 19

Airspeed: Max Breaking Speed

Back 19

35KGS

Front 20

Airspeed: Autorotations

Back 20

100KIAS

Front 21

Airspeed: Cabin doors opening or closing

Back 21

100KIAS

Front 22

Airspeed: searchlight in transition

Back 22

100KIAS

Front 23

Airspeed: aircraft gross weight >22000lbs w/ external loads

Back 23

120KIAS

Front 24

Airspeed: Cabin doors open

Back 24

120KIAS

Front 25

Airspeed: 2 SAS inop IMC

Back 25

125KIAS

Front 26

Airspeed: Either Pri Servo PRESS caution

Back 26

125KIAS

Front 27

Airspeed: landing light in transition

Back 27

130KIAS

Front 28

Airspeed: SAS/BOOST Off

Back 28

140KIAS

Front 29

Airspeed: Gunners windows open or close

Back 29

170KIAS

Front 30

AOB: Normal

Back 30

45

Front 31

AOB: The three reasons for 30 degrees

Back 31

Ops above 10000 DA
Either Pri Servo PRESS caution
SAS/BOOST OFF

Front 32

Max Altitude

Back 32

13000ft DA

Front 33

Prohibited Maneuvers

Back 33

1. Aerobatic Flight
2. Hover turns rate in excess of 30 per sec
3. Practice Full Autos
4. Intentional approaches into or inducement of retreating blade stall

Front 34

Rotor Break

Back 34

30-50% Nr=routine
76%= Max
limited to 180psi

Front 35

Max rate of descent over level terrain

Back 35

540fpm

Front 36

Max rate of descent over sloped terrain

Back 36

360fpm

Front 37

Max T/O speed with tail wheel locked

Back 37

60KGS

Front 38

Max T/O speed with tail wheel unlocked

Back 38

20KGS

Front 39

Slope limits:

Back 39

Nose-down: 6 degrees
Nose-up: 9 degrees
Cross-slope: 12 degrees

Front 40

Max gross weight

Back 40

23,500

Front 41

Max gross weight launch and recovery of aviation ships

Back 41

23,500

Front 42

Max gross weight launch and recovery of air-capable ships

Back 42

22,500

Front 43

Max aft cabin weight

Back 43

5,500

Front 44

Max single pallet

Back 44

3000

Front 45

Max external cargo hook

Back 45

8,000

Front 46

Max rescue hoist

Back 46

600

Front 47

Min Equip Night over water

Back 47

1. LAWS
2. Altitude hold

Front 48

"APU Accum Low"

Back 48

2650psi +/- 50

Front 49

APU temp limit

Back 49

43-60C w/rotors engaged=30min

Front 50

Battery 80%

Back 50

11min day/ 9min night

Front 51

Battery 40%

Back 51

Batt Low Charge

Front 52

Battery 35%

Back 52

DC ESNTL Lost

Front 53

Battery 30%

Back 53

CAD's may not blow

Front 54

Battery 0%

Back 54

Backup attitude indicator 9 min

Front 55

Battery Voltage

Back 55

24 Volts

Front 56

Back-up Pump

Back 56

Temp/On/Off
33-38/24/72
39-60/16/48

Front 57

"APU FAIL"- Reasons ESU would shut down the APU

Back 57

1.Start Fail
2. APU below 90% for 40 sec
3. APU reaches 90% then falls below
4. APU oil psi below 6psi after APU reaches 90%
5. APU exceeds 110%
6. at 30%, exhaust temp below 120C
7. exhaust temp exceeds 660C

Front 58

"APU GEN" -Reasons for light

Back 58

1. Gen fails
2. APU on. Gen off
3. Gen on. APU below 90%

Front 59

"APU Oil Hot" -Reasons for light

Back 59

Hi ambient temp or low oil

Front 60

After "APU Oil Hot" how long after APU shutdown until the oil can be checked?

Back 60

60 min

Front 61

APU Gen power

Back 61

115 VAC, 400HZ, 3-phase, 35 Kilo Volt Ampere

Front 62

Aux fuel tanks capacity (total/usable)

Back 62

200/194

Front 63

"Low Fuel" Caution

Back 63

300 +/- 15lbs

Front 64

Pressure Refueling psi

Back 64

standard: 55psi, main
field refueling: 15psi, closed circuit

Front 65

Min fuel dump rate

Back 65

800 lb/min

Front 66

Fuel dumping should not be commenced below:

Back 66

6000AGL

Front 67

Interconnecting Harness:
Yellow-
Blue-
Green-
White-
Red-

Back 67

Yellow-Power & control system trim signals

Blue- overspped and torque signals

Green-Engine Diagnostic signals

White-Cross talk signals between engines

Red-IMDS

Front 68

Starter Dropout

Back 68

52-65% Ng

Front 69

Abort Start:

Back 69

Ng doesn't reach 14% in 6 sec
Oil pressure doesn't rise in 30 sec
Light-off doesn't occur within 30 sec of going to idle
Starter drops out before 52% Ng
TGT exceeds 851C

Front 70

"ENG OIL PRESS HI"

Back 70

120psi or above

Front 71

Fuel dumping should not be commenced below:

Back 71

6000AGL

Front 72

Interconnecting Harness:
Yellow-
Blue-
Green-
White-
Red-

Back 72

Yellow-Power & control system trim signals

Blue- overspeed and torque signals

Green-Engine Diagnostic signals

White-Cross talk signals between engines

Red-IMDS

Front 73

Starter Dropout

Back 73

52-65% Ng

Front 74

Abort Start:

Back 74

Ng doesn't reach 14% in 6 sec
Oil pressure doesn't rise in 30 sec
Light-off doesn't occur within 30 sec of going to idle
Starter drops out before 52% Ng
TGT exceeds 851C

Front 75

"ENG OIL PRESS HI"

Back 75

120psi or above

Front 76

"ENG OIL PRESS LOW"

Back 76

Ng above 70% and oil psi below 26, or oil psi below 22

Front 77

Oil filter PDI thermal lockout

Back 77

38C

Front 78

Engine Oil tank capacity

Back 78

7.3 quarts

Front 79

Tail gearbox tilt

Back 79

20 degrees left

Front 80

TGB and IGB time limit for ops w/out oil

Back 80

60 min

Front 81

MGB time limit for ops w/out oil

Back 81

30 min

Front 82

Transmission Temp caution

Back 82

117C

Front 83

Transmission Pressure caution

Back 83

below 14psi

Front 84

EGI Alignment Modes: HNAV

Back 84

Needs 4 satellites
Ship/Shore
Attitude valid: 10 sec
HDG valid: 7 min
Complete alignment: 15 min

Front 85

EGI Alignment Modes: IF

Back 85

Needs 4 satellites and Weight off wheels
Ship/Shore
Attitude valid: 10 sec
HDG valid: 7 min
Complete alignment: 15 min

Front 86

EGI Alignment Modes: GC

Back 86

Shore
Attitude valid: 10 sec
HDG valid: 90 sec
Complete alignment: 4 min

Front 87

EGI Alignment Modes: SH

Back 87

Needs: GC on prior flight with CMP shutdown, Parking break set, a/c not moved
Shore
Attitude valid: 10 sec
HDG valid: 30 sec
Complete alignment: 3 min

Front 88

EGI Alignment Modes: DG

Back 88

Shore
Attitude valid: 10 sec
HDG valid: 10 sec
Complete alignment: 2 min

Front 89

Emergency radio: frequencies (voice and beacon)

Back 89

AN/PRC-149
Voice: 121.5, 243.0, 282.8
Beacon: 121.5, 243.0, 406.0

Front 90

HABD psi

Back 90

3000psi

Front 91

Pencil Flares

Back 91

MK-79
4.5 sec duration
250-650 ft
7 flares

Front 92

ELT frequencies, reception

Back 92

121.5, 243.0
100mi at 10,000ft

Front 93

How long must you wait after an APU shutdown before you attempt a restart? why?

Back 93

2min so residual fuel can vaporize

Front 94

Why shall No Rotor Brake Start Procedures be utilized for routine engine start and rotor engagements ashore?

Back 94

To prevent Np shaft rub.

Front 95

Following a hot start how long must the starter be engaged before moving the PCLs to Idle?

Back 95

60 seconds and TGT below 50C

Front 96

When does Ng first start to indicate?

Back 96

6 percent

Front 97

Engines should be cooled for ______ at an Ng of______ or less before moving the PCL to OFF. If an engine is shut down without being cooled, it should not be restarted for _____ unless restart is performed within ______.

Back 97

2 minutes. 90 percent. 4 hours. 5 minutes.

Front 98

How high can you raise the collective during shutdown to reduce droop stop pounding?

Back 98

1.5 inches

Front 99

4 indications of a malfunctioning Engine Anti-Ice/Start Bleed Valve

Back 99

1. On when above 90% Ng or above 94% Ng if OAT is 15C or greater.

2. No advisory light on when Ng below 88%

3.No advisory when the switch is selected ON.

4. No rise in TGT when switch is selected ON

Front 100

Main tank capacity: Gravity? Pressure? Closed-Circuit?

Back 100

360. 359. 356.

Front 101

Engine Oil system capacity and type

Back 101

7.3 quarts MIL-PRF-23699

Front 102

APU oil capacity and type

Back 102

2 quarts MIL-PRF-23699

Front 103

Main Trans capacity and type

Back 103

7.5 gal DOD-PRF-85734

Front 104

TGB and IGB capacity and type

Back 104

2.75 pints DOD-PRF-85734

Front 105

Hyd reservoirs quantity and type

Back 105

1 quart MIL-PRF-83282

Front 106

Utility Hyd Res quantity and type

Back 106

.92 quart MIL-PRF-83282

Front 107

Rescue hoist oil quantity and type

Back 107

1.62 quarts MIL-PRF-23699

Front 108

Starter quantity and type

Back 108

200cc MIL-PRF-23699

Front 109

When starting in ambient temps of _____ or below, lubricating oil ______ must be used.

Back 109

-25C. MIL-PRF-7808

Front 110

When does windshield washer fluid need to be more than just water?

Back 110

If the temperature is below 0C then use 50% water 50% isopropyl alcohol

Front 111

when should the helo be parked into the wind?

Back 111

with winds 20KTS or more

Front 112

Define Primary Fuel and list type

Back 112

A fuel that the aircraft is authorized to use for continuous unrestricted ops. JP-5, JP-8

Front 113

Define Restricted Fuel and list type

Back 113

A fuel that imposes operational restrictions on the aircraft. These fuels may be used only if no primary military or commercial fuels are available. JP-4

Front 114

Define Emergency Fuel and list type

Back 114

A fuel that may be used for a minimum time when a primary fuel is not available and an urgent need exists (such as hurricane evac or urgent military necessity). Pilot approval SHALL be obtained before servicing and the aircraft SHALL be conspicuously placarded with the emergency fuel grade when serviced. JP-8 +100

Front 115

When must the fuel boost pumps be on?

Back 115

1. prior to takeoff following any nose-dwn ground ops exceeding 10min. May be turned off after 10 sec nose-up. If sustained nose down ops require 30 sec delay before turning off pumps.

2. When using compatible fuels other than JP-5 and JP-8.