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EP's > Operaring Limits > Flashcards

Operaring Limits Flashcards

1
Q

MINIMUM CREW REQUIREMENT:

A

ONE PILOT AND ONE QUALIFIED OBSERVER.

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2
Q

MANEUVERING LIMITATIONS:

A 
ROLL:
OPERATIONS ABOVE 10,000’ DA:  ROLL LIMIT OF 30 DEG
ACCELERATION:
MAX POSITIVE G’S:  (+)2.3
MAX NEGATIVE G’S:  (-).5
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3
Q

PROHIBITED MANEUVERS:

A

AEROBATIC MANEUVERS AS DEFINED BY OPNAVINST 3710.7 SERIES.
PRACTICE AUTOS TO TOUCHDOWN.
PRACTICE AUTO ENTRIES W/IN THE SHADED AREAS OF THE HVD.
DUAL-ENGINE THROTTLE CHOPS ABOVE 120 KIAS.
SINGLE-ENGINE THROTTLE CHOPS ABOVE 60% MRGB TQ.
DO NOT EXCEED 50% MRGB TQ AT A/S ABOVE Vh WHILE IN A DIVE.
ABRUPT, SIMULTANEOUS COLLECTIVE AND CYCLIC INPUTS WHILE MANEUVERING.

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4
Q

MAXIMUM GROSS WEIGHT IS _______ LBS.

A

18,500

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5
Q

EXTERNAL CARGO LIMITS:

A

HOOK WEIGHT LIMIT: 4,000 LBS
MAX A/S LIMIT: 135 KIAS
MAX AOB DURING EXTERNAL OPS: 30 DEG

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6
Q

RESCUE HOIST LIMITS:

A

HOIST WEIGHT LIMIT: 600 LBS
RETRACTION SPEED CAPABILITY: 150 FPM AT 600 LBS OR 300 FPM AT 300 LBS.
USABLE CABLE LENGTH: 250 FEET.

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7
Q

CARGO LIMITATIONS:

A

UPPER PYLON/AFT CABIN BULKHEAD FITTINGS LOAD LIMITATION:
PERPENDICULAR TO THE BULKHEAD: 1,250 LBS
PARALLEL TO THE BULKHEAD: 500 LBS
LOWER PYLON BULKHEAD FITTINGS LOAD LIMITATION:
PERPENDICULAR TO THE BULKHEAD: 2,790 LBS
PARALLEL TO THE BULKHEAD: 3,300 LBS

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8
Q

EXTERNAL STORES LIMITS:

A

EACH DAS MOUNT WILL NOT EXCEED 571 LBS PER AIRCRAFT SIDE.

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9
Q

PROHIBITED OPERATIONS:

A

GRAVITY FUELING WITH ENGINES AND/OR APU OPERATING.
NO FLIGHT SHALL BE PLANNED TO TERMINATE WITH A FUEL STATE LESS THAN 350 LBS.
EXCEPT FOR EMERGENCIES, INTENTIONAL IN-FLIGHT OPERATIONS WITH THE HYD 1 OR HYD 2 PBA SELECTED OFF.

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10
Q

ENVIRONMENTAL LIMITS:

A

FLIGHT THROUGH ICING CONDITIONS SHALL BE AVOIDED.
OPERATIONS AT OAT’S BELOW -25 DEG F (-32 DEG C) OR ABOVE 125 DEG F (52 DEG C) IS PROHIBITED.
BLADE FOLD/SPREAD IN WINDS OVER 45 KNOTS, FROM ANY DIRECTION IS PROHIBITED.

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11
Q

AIRCREW LIMITS:

A

TROOP SEAT LIMITS:
FOR NORMAL SEAT CONFIGURATION, SEATING IN AFT, OUTWARD CONFIGURED PORT AND STARBOARD TROOP SEATS IS NOT AUTHORIZED WITH DOORS CLOSED.
TROOP SEAT CAPACITY IS 241 LBS (PERSONNEL AND EQUIPMENT).
AVOID PLACING METALLIC OBJECTS, ELECTRICAL CONDUCTING MATERIALS, OR ELECTRONIC GEAR W/IN 400-MM (15.75 INCHS) OF THE MAGNETIC ZONE OF INFLUENCE AROUND THE MAGNETIC HEAD TRACKERS AND HELMET RECEIVERS.
OPS IN AIRCREW MOPP IV CHEM BIO CONFIGURATION ARE NOT AUTHORIZED WITH TOPOWL HMSD.

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12
Q

MAIN ROTOR GEARBOX LIMITS:

A 
OIL TEMPERATURE:
CAUTION RANGE:  (-50)-(0) DEG C
NORMAL:  0-100 DEG C
CAUTION RANGE:  100-110 DEG C
MAXIMUM:  110 DEG C
OIL PRESSURE:
MINIMUM:  25 PSI
CAUTION RANGE:  25-40 PSI
NORMAL:  40-70 PSI
CAUTION RANGE:  70-100 PSI
MAXIMUM:  100 PSI
OIL LEVEL:
REQUIRES SERVICING:  LO
NORMAL OPERATING LEVEL:  GO
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13
Q

HYDRAULICS SYSTEM LIMITATIONS

A 
FLUID TEMPERATURE:
MINIMUM: (-7) DEG C
CAUTION RANGE:  (-7)-(10) DEG C
NORMAL:  10-110 DEG C
CAUTION RANGE:  110-115 DEG C
MAXIMUM:  115 DEG C
FLUID PRESSURE:
MINIMUM: 2000 PSI
CAUTION RANGE:  2001-2700 PSI
NORMAL:  2700-3150 PSI
CAUTION RANGE:  3150-3850 PSI
MAXIMUM:  3850 PSI
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14
Q

FLUID LEVEL:

A

MINIMUM: LOW (75 CU. IN.)
CAUTION RANGE: REFL (75-85 CU. IN.)
NORMAL: FULL (85-110 CU. IN.)

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15
Q

MAIN GENERATOR LIMITS:

A 
VOLTAGE:
MINIMUM:  18 VDC
CAUTION RANGE:  18-22 VDC 
NORMAL:  22-29 VDC
CAUTION RANGE:  29-30 VDC
MAXIMUM:  30 VDC
AMPERAGE:
NORMAL:  0-400 AMPS
CAUTION RANGE:  400-600 AMPS
MAXIMUM:  600 AMPS
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16
Q

BATTERY LIMITS:

A 
MINIMUM:  18 VDC
CAUTION RANGE:  18-22 VDC 
NORMAL:  22-29 VDC
CAUTION RANGE:  29-30 VDC
MAXIMUM:  30 VDC
17
Q

APU GENERATOR LIMITS:

A 
VOLTAGE:
LOW:  0-17.9 VDC
AVOID RANGE:  18-21.9 VDC 
NORMAL:  22-29 VDC
AVOID RANGE:  29.1-29.9 VDC
HIGH:  30 VDC
AMPERAGE:
NORMAL:  0-200 AMPS
AVOID RANGE:  200.1-299 AMPS
HIGH:  300-400 AMPS
18
Q

ESSENTIAL AND NONESSENTIAL LIMITS:

A 
DC BUS:
MINIMUM:  18 VDC
CAUTION RANGE:  18-22 VDC 
NORMAL:  22-29 VDC
CAUTION RANGE:  29-30 VDC
MAXIMUM:  30 VDC
AC BUS:
MINIMUM:  104 VAC
CAUTION RANGE:  104-108 VAC 
NORMAL:  108-118 VAC
CAUTION RANGE:  118-125 VAC
MAXIMUM:  125 VAC
19
Q

AERODYNAMIC LIMITATIONS:

A

MAX A/S (Vne) is 170 KIAS.
MAX A/S FOR AUTOROTATION IS 120 KIAS.
MAX A/S FOR SIDEWARD/REARWARD FLIGHT IS 45 KIAS.
MAX A/S FOR SCAS FAILURE IS 100 KIAS.
MAX A/S FOR CABIN DOORS OPENING/CLOSING IS 80 KIAS.
MAX A/S WITH CABIN DOORS OPEN IS 170 KIAS.
MAX A/S WITH FORWARD WING DOORS OPEN IS 30 KIAS.

20
Q

THE MAXIMUM OPERATIONAL ALTITUDE IS ______ PA.

A

10,000 PA

21
Q

COMBINING GEARBOX LIMITS:

A 
OIL TEMPERATURE:
CAUTION RANGE:  (-50)-(0) DEG C
NORMAL:  0-100 DEG C
CAUTION RANGE:  100-110 DEG C
MAXIMUM:  110 DEG C
OIL PRESSURE:
MINIMUM:  25 PSI
CAUTION RANGE:  25-70 PSI
NORMAL:  70-90 PSI
CAUTION RANGE:  90-150 PSI
MAXIMUM:  151 PSI
22
Q

TAIL ROTOR GEARBOX LIMITS:

A 
OIL TEMPERATURE:
CAUTION RANGE:  (-50)-(0) DEG C
NORMAL:  0-100 DEG C
CAUTION RANGE:  100-110 DEG C
MAXIMUM:  110 DEG C
OIL PRESSURE:
MINIMUM:  LO (175) PSI
23
Q

INTERMEDIATE GEARBOX LIMITS:

A 
OIL TEMPERATURE:
CAUTION:  (-50)-(0) DEG C
NORMAL:  0-124 DEG C
CAUTION RANGE:  124-129 DEG C
MAXIMUM:  129 DEG C
OIL PRESSURE:
LOW:  LO
NORMAL:  GO (> 7 PSI)
24
Q

APU LIMITS:

A

GROUND POWER CART REQUIREMENTS: 500 AMPERES WITH AN AMPERE RANGE OF 300 TO 1,000.

25
Q

POWER TURBINE SPEED (Np) LIMITS (OUTER SCALE TRIPLE TAC):

A

CONTINUOUS OPERATIONS: 99-100%
TRANSIENT OPERATIONS: 100-117% FOR 12 SECONDS
AVOID RANGE: 55-70%

26
Q

ENGINE TORQUE LIMITS:

A

CONTINUOUS OPERATIONS: 0-61.9%
ONE ENGINE INOPERATIVE: 61.9-65.7% FOR 2.5 MINUTES
NOTE: YOU CAN GO UP TO 72.3% SINGLE ENGINE TQ FOR 10 SECONDS UP TO 6 TIMES BEFORE THEY HAVE TO REPLACE THE C-BOX. REF. 2-3.3

27
Q

MAIN ROTOR GEARBOX TORQUE LIMITS:

A

CONTINUOUS OPERATIONS: 10-100%

TRANSIENT OPERATIONS: 100-105% FOR 10 SECONDS

28
Q

MEASURED GAS TEMPERATURE LIMITS:

A

NORMAL OPERATIONS
CONTINUOUS OPERATIONS: 400-800 DEG C
INTERMEDIATE OPERATIONS: 801-867 FOR 30 MINUTES
ONE ENGINE INOPERATIVE
CONTINGENCY POWER: 868-917 DEG C FOR 2.5 MINUTES
TRANSIENT OPERATION: 917-964 DEG C FOR 12 SEC

29
Q

GAS GENERATOR TURBINE (Ng) SPEED LIMITS:

A

CONTINUOUS OPERATIONS: 0-102.1%
TRANSIENT OPERATIONS: 102.1-105.1% FOR 12 SECONDS
MAXIMUM: 105.2%

30
Q

ENGINE OIL LIMITS:

A 
OIL TEMPERATURE:
CONTINUOUS OPERATION:  35-131 DEG C
30-MINUTE OPERATION:  132-149 DEG C
MAXIMUM:  150 DEG C
OIL PRESSURE:
MINIMUM:  20 PSI
CAUTION RANGE:  20-30 PSI
CONTINUOUS OPERATIONS:  30-100 PSI
MAXIMUM:  100 PSI
COLD START MAXIMUM LIMIT:  200 PSI
31
Q

STARTER LIMITS:

A 
30 SECONDS ON.
60 SECONDS OFF.
30 SECONDS ON.
60 SECONDS OFF.
30 SECONDS ON.
30 MINUTES OFF.
32
Q

ENGINE STARTER LIMITATIONS: (1 CYCLE EQUALS A MAX OF 2 MINUTES)

A 
LESS THAN 61 DEG F (16 DEG C): (DELAY BETWEEN CYCLES):
FIRST CYCLE:
60 SECONDS.
SECOND CYCLE:
60 SECONDS.
THIRD CYCLE:
60 SECONDS.
FORTH CYCLE”
30 MINUTES.
61-126 DEG F (16-52 DEG C): (DELAY BETWEEN CYCLES):
FIRST CYCLE:
60 SECONDS.
SECOND CYCLE:
30 MINUTES.
33
Q

A HOT START IS DEFINED AS MGT EXCEEDING ___ DEG C DURING START.

A

867 MGT

34
Q

ABORT START IF ANY OF THE FOLLOWING CONDITIONS OCCUR:

A

Ng FAILS TO REACH 14% W/IN 6 SECONDS OF STARTER ENGAGEMENT.
NO MGT W/IN 30 SECONDS AFTER THE STARTER IS ENGAGED.
NO OIL PSI W/IN 30 SECONDS AFTER INITIAL INDICATION OF Ng.
MGT REACHES 867 DEG C.
STARTER FAILS TO DISENGAGE ABOVE 55 +/-3 % Ng.
NO Np W/IN 30 SECONDS AFTER Ng REACHES 67 +/-3 % (FLIGHT IDLE).
ROTOR BREAK LIGHT FAILS TO EXTINGUISH W/IN 30 SECONDS AFTER BREAK RELEASE.

35
Q

ROTOR BREAK LIMITATIONS:

A

DON’T APPLY ROTOR BREAK ABOVE 60 % Nr EXCEPT FOR EMERGENCY SITUATIONS.
DON’T APPLY ROTOR BREAK BELOW 25 % Nr EXCEPT IN EMERGENCY SITUATIONS.
EXCEPT IN AN EMERGENCY, THE ROTOR BREAK SHALL BE RELEASED AT APPROXIMATELY 10 % Nr TO AVOID SUDDEN STOPPAGE.
DURING ROTOR BREAK START, RELEASE BREAK W/IN 25 SECONDS AFTER ENGINE IDLE RPM (67 +/-3% Ng) IS ATTAINED.
DURING ROTOR BREAK START, ROTOR BREAK LIGHT SHOULD EXTINGUISH W/IN 30 SECONDS AFTER BREAK RELEASE.
DO NOT EXCEED ENGINE IDLE RPM WITH ROTOR BREAK ENGAGED.

36
Q

LANDING GEAR LIMITS:

A

LANDING IS PERMITTED AT MAXIMUM GROSS WEIGHT FOR ALL HEADINGS ON SLOPE SURFACES UP TO AND INCLUDING SIX DEGREES.

37
Q

MAIN ROTOR (Nr) LIMITS (INNER SCALE TRIPLE TAC):

A 
POWER ON:
TRANSIENT LOW:  91%
CONTINUOUS OPERATION:  97-100%
TRANSIENT HIGH:  100-110% FOR 10 SECONDS
POWER OFF:
TRANSIENT LOW:  84%
CONTINUOUS OPERATION:  91-105%
TRANSIENT HIGH:  105-110% FOR 10 SECONDS

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