Operaring Limits Flashcards
MINIMUM CREW REQUIREMENT:
ONE PILOT AND ONE QUALIFIED OBSERVER.
MANEUVERING LIMITATIONS:
ROLL: OPERATIONS ABOVE 10,000’ DA: ROLL LIMIT OF 30 DEG ACCELERATION: MAX POSITIVE G’S: (+)2.3 MAX NEGATIVE G’S: (-).5
PROHIBITED MANEUVERS:
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.
MAXIMUM GROSS WEIGHT IS _______ LBS.
18,500
EXTERNAL CARGO LIMITS:
HOOK WEIGHT LIMIT: 4,000 LBS
MAX A/S LIMIT: 135 KIAS
MAX AOB DURING EXTERNAL OPS: 30 DEG
RESCUE HOIST LIMITS:
HOIST WEIGHT LIMIT: 600 LBS
RETRACTION SPEED CAPABILITY: 150 FPM AT 600 LBS OR 300 FPM AT 300 LBS.
USABLE CABLE LENGTH: 250 FEET.
CARGO LIMITATIONS:
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
EXTERNAL STORES LIMITS:
EACH DAS MOUNT WILL NOT EXCEED 571 LBS PER AIRCRAFT SIDE.
PROHIBITED OPERATIONS:
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.
ENVIRONMENTAL LIMITS:
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.
AIRCREW LIMITS:
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.
MAIN ROTOR GEARBOX LIMITS:
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
HYDRAULICS SYSTEM LIMITATIONS
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
FLUID LEVEL:
MINIMUM: LOW (75 CU. IN.)
CAUTION RANGE: REFL (75-85 CU. IN.)
NORMAL: FULL (85-110 CU. IN.)
MAIN GENERATOR LIMITS:
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
BATTERY LIMITS:
MINIMUM: 18 VDC CAUTION RANGE: 18-22 VDC NORMAL: 22-29 VDC CAUTION RANGE: 29-30 VDC MAXIMUM: 30 VDC
APU GENERATOR LIMITS:
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
ESSENTIAL AND NONESSENTIAL LIMITS:
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
AERODYNAMIC LIMITATIONS:
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.
THE MAXIMUM OPERATIONAL ALTITUDE IS ______ PA.
10,000 PA
COMBINING GEARBOX LIMITS:
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
TAIL ROTOR GEARBOX LIMITS:
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
INTERMEDIATE GEARBOX LIMITS:
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)
APU LIMITS:
GROUND POWER CART REQUIREMENTS: 500 AMPERES WITH AN AMPERE RANGE OF 300 TO 1,000.
POWER TURBINE SPEED (Np) LIMITS (OUTER SCALE TRIPLE TAC):
CONTINUOUS OPERATIONS: 99-100%
TRANSIENT OPERATIONS: 100-117% FOR 12 SECONDS
AVOID RANGE: 55-70%
ENGINE TORQUE LIMITS:
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
MAIN ROTOR GEARBOX TORQUE LIMITS:
CONTINUOUS OPERATIONS: 10-100%
TRANSIENT OPERATIONS: 100-105% FOR 10 SECONDS
MEASURED GAS TEMPERATURE LIMITS:
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
GAS GENERATOR TURBINE (Ng) SPEED LIMITS:
CONTINUOUS OPERATIONS: 0-102.1%
TRANSIENT OPERATIONS: 102.1-105.1% FOR 12 SECONDS
MAXIMUM: 105.2%
ENGINE OIL LIMITS:
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
STARTER LIMITS:
30 SECONDS ON. 60 SECONDS OFF. 30 SECONDS ON. 60 SECONDS OFF. 30 SECONDS ON. 30 MINUTES OFF.
ENGINE STARTER LIMITATIONS: (1 CYCLE EQUALS A MAX OF 2 MINUTES)
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.
A HOT START IS DEFINED AS MGT EXCEEDING ___ DEG C DURING START.
867 MGT
ABORT START IF ANY OF THE FOLLOWING CONDITIONS OCCUR:
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.
ROTOR BREAK LIMITATIONS:
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.
LANDING GEAR LIMITS:
LANDING IS PERMITTED AT MAXIMUM GROSS WEIGHT FOR ALL HEADINGS ON SLOPE SURFACES UP TO AND INCLUDING SIX DEGREES.
MAIN ROTOR (Nr) LIMITS (INNER SCALE TRIPLE TAC):
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
