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182 Cards in this Set

  • Front
  • Back
What are the 4 rotor sub-systems?
* Hub
* Rotor blades
* Flight controls
* Bifilar
What are the main rotor blades pressurized with?
Nitrogen
What are the max allowable wind limits to engage the
rotors?
45 knots
What does Nr stand for?
Rotor speed
How many degrees is the tail rotor tilted & how much
lift in a hover does it provide?
20 degree tilt, 2.5 % lift
What are the max allowable wind limits to fold
the rotor blades?
45 knots
When do the flap restraints seat?
35% Nr
In a tail rotor failure, what two speed provide balanced
flight?
25 & 145 KIAS
What is the max Nr for applying the rotor brake?
76%
When do the droop stops go out / in?
70% Nr out
50% Nr in
What do the elastomeric bearings do?
Allow for lead, lag, droop & flap
Where is the hydraulic reservoir for the blade dampers
located?
In the hub
How many degrees are the blade tips swept by and for what reason?
20 degrees, for sound attenuation & efficiency
What is the rotor diameter?
53 ft. 8 in.
What is the hoist speed when using the crew hover or pendant grip?
0-215 (BE)
0-250 (LW)
How many feet of cable is in the hoist & how much
is orange?
200, first and last 20 feet
How fast can the pilots move the hoist?
100 fpm
Where are the hoist circuit breakers at?
Cabin circuit breaker panel
What is the max load for the hoist?
600 lbs.
Is the back-up speed variable?
NO!!
Where is the rescue hoist aux control circuit
breaker located?
Upper co-pilot circuit breaker panel. It controls
the back-up power
What are the ratings for the rescue hook?
3000 lbs: large hook
1500 lbs: equipment ring
1000 lbs: small hook
Name the 4 limit switches.
* Full up
* Full down
* Last 5 ft down (50 fpm)
* Last 10 ft up (50 fpm)
What is the caution associated with using the back-up
power?
Limit switches are inhibited
What is the spec of the oil used to service the hoist?
MIL-L-23699
When you move the rescue hoist switch to
ARMED/ALL, what else happens besides the
hoist being activated?
The CAD is armed
Who can shear the hoist, & from where?
Crewman on the crew hover control panel,
either pilot on the cyclic
How fast does the back-up power move the hoist?
85 fpm
What gives the hoist it’s hydraulic power?
Back-up pump
What changes if you put the rescue hoist switch in
ARMED/COCKPIT?
Only the pilots can shear the hoist
What does CSCG stand for?
Communication System Control Group
What does ADC stand for?
Air Data Computer
What is the max gross weight limit with an internal
load?
23, 500 lbs.
22,500 lbs.(when operating on air capable ships)
What does VOX stand for?
Voice Operated Transmission
What is the purpose of TACAN?
Provide a bearing & distance from a TACAN
station
What is the max single pallet weight?
3000 lbs
What radio is available on battery power?
Number 1 radio
What does DALS stand for & what is it used for?
Downed Aircrew Locator System, to locate &
establish comms with downed aircrew.
What is the max palletized weight?
4733 lbs
How many CSC panels are there in the cabin?
3 (1 per gunner & 1 hoist)
How many litters can fit in the MH-60S?
4
What is the max internal weight?
5500 lbs
What does EGI stand for?
Embedded GPS Inertial Navigation System
What is the max gross weight limit with an external
load?
23,500 lbs
What is the max deck weight per square foot?
300 lbs per square ft
What is the max load weight on the cargo hook?
8000 lbs
What chapter in NATOPS is cargo ops in?
Chapter 9
What is the capacity and specs for the main XMSN
oil?
7.5 gallons, DOD-L-85734
What sized pallets fit in the MH-60S & what side goes
forward & aft?
40”x48”, 40” goes forward & aft
What is the only authorized method of normal release
for aircrewmen?
Manual
Where is the main XMSN oil pressure sensor located?
# 1 accessory module
How many deck tie-downs are there & what are they
rated at?
23/ 5000 lbs
What is the max available seats not counting the
gunners seats?
12
When does the XMSN PRESS LOW caution appear?
14 PSI
How many restraint rings are there & what are they
rated at?
9/ 3500 lbs
What is the primary function of the XMSN?
Transmit torque from the engine to the rotors &
reduce RPM’s
How many degrees in the main XMSN tilted?
3 degrees forward
When you have more than 1 pallet, where should the
heavier one go?
Toward the CG
How many modules are there & what are they?
5: 1 main, 2 input & 2 accessory
What sensor is on both accessory modules?
Nr
How long can the main XMSN go without oil?
30 minutes
Name two things that each accessory module drives
Hydraulic pump & generator
When do the #1 & #2 pumps become pressurized?
When the rotors begin turning
How long can the IGB/ TGB go without oil?
60 minutes
What PSI does the hydraulics operate at (with the
exception of the Pitch & Roll trim actuators)?
3000
What should you do if the #2 primary servo caution &
the HYD warning appear?
Land Immediately
How many sections does the drive shaft have?
6
What PSI do the Pitch & Roll trim actuators operate
at?
1000
How do you check the fluid level of the HYD
reservoirs?
Sight gauge on either side of the pump
How many viscous dampners are there & what do they
do?
4, they suspend the drive shaft
What are the #1 & #2 pumps driven by?
Accessory modules
When do you fill the reservoirs, you fill them until the
forward end of the piston is at the forward edge of
what?
The green sticker
How many chip detectors are there & where are they?
5, 1 in each module
What is the back-up pump driven by?
3 phase AC motor
What does the HYD warning indicate?
Multiple compound malfunctions in the hydraulics
system
What does BOOST SERVO OFF caution mean?
The collective &/or yaw boost servo pressure is low or
a boost servo is jammed
What does BOOST SERVO OFF caution mean? What does the backup pump supply pressure to? Which 2 trim actuators are electrically driven?
* #2 tail rotor servo
* Rescue Hoist
* APU
* #1/ #2 Primary (for emergencies)
What does BOOST SERVO OFF caution mean? What does the backup pump supply pressure to? Which 2 trim actuators are electrically driven?
* Collective
* Yaw
Is the back-up hydraulic system a primary system?
No, it is secondary only
What 3 things make up the PAS?
* Trim
* Boost
*SAS
What is the movement range of the stabilator?
42 degrees down, 10 degrees up
Which direction should the hydraulic servicing
manual selector valve be placed before flight?
OUT (4) position
Name the 18 functions of the AFCS
Airspeed hold, heading hold, bar alt hold, rad alt hold, pitch & roll hold, auto approach to a hover, hover coupler, crew hover, auto depart, pitch roll & yaw stability augmentation, auto preflight, blade fold, cyclic collective & pedal trim, diagnostics, pitch & roll hover augmentation, stab control, turn coord., maneuvering stability
SAS provides stability by sensing acceleration &
dampening what 3 channels?
* Pith
* Roll
* Yaw
What does the #1 hydraulic pump supply pressure to?
#1 Primary servo & # 1 tail rotor servo
What are the 4 sections of the flight controls?
* Mechanical
* Servos
* AFCS
* Tail Rotor
SAS in an inter-loop system with how many
channels, & what are they?
2, #1 is analog & # 2 is digital
What does the #2 hydraulic pump supply pressure to?
# 2 Primary servo & the PAS
What are the 3 AFCS sub-systems?
* AFCC
* SAS
* Stabilator
What is the max airspeed with SAS/ BOOST off?
140 KIAS
What is the max airspeed with 2 SAS inop & IMC?
125 KIAS
What controls the helicopters lateral & longitudinal
axis?
Cyclic
Max operating altitude
13,000 MSL
What are the two things that boost servos reduce?
* Cockpit control forces
* System feedback
What flight controls maintain the controls in a desired
position?
Trim
Max airspeed for auto?
100 knots
What are the 4 inputs required to move the stab?
* Collective position
* Airspeed
* Pitch rate
* Lateral acceleration
How many primary servos are there & what are their
channels?
3:
* Lateral
* Aft
* Forward (port/ stbd)
What is the max airspeed with 2 SAS inop & IMC?
125 KIAS
Minimum airspeed for entering practice auto-rotations?
80 knots
What controls the helicopters lateral & longitudinal
axis?
Cyclic
Max operating altitude
13,000 MSL
What are the two things that boost servos reduce?
* Cockpit control forces
* System feedback
What flight controls maintain the controls in a desired
position?
Trim
Max airspeed for auto?
100 knots
What are the 4 inputs required to move the stab?
* Collective position
* Airspeed
* Pitch rate
* Lateral acceleration
How many primary servos are there & what are their
channels?
3:
* Lateral
* Aft
* Forward (port/ stbd)
Minimum airspeed for entering practice auto-rotations?
80 knots
What hydraulic system normally powers the PAS?
# 2
What channel is not boosted?
Roll
Minimum altitude for an auto?
500 AGL
What controls the helicopters vertical axis?
Collective
Max airspeed?
180 knots
Max side/ rearward flight with & without a load?
35 knots and 45 knots
What hydraulic system normally powers the PAS?
# 2
Max airspeed for opening & closing doors?
100 knots
What channel is not boosted?
Roll
Max normal AOB?
45 degrees
Minimum altitude for an auto?
500 AGL
What controls the helicopters vertical axis?
Collective
Max AOB with external load?
30 degrees
Max airspeed?
180 knots
Max side/ rearward flight with & without a load?
35 knots and 45 knots
Max airspeed for opening & closing doors?
100 knots
Max normal AOB?
45 degrees
Max AOB with external load?
30 degrees
Max airspeed with doors open?
120 knots
Max AOB above 10,000 ft?
30 degrees
Define icing conditions.
5 degrees Celsius or less & visible moisture
Max airspeed for opening & closing gunners
windows?
170 knots
Max AOB with < 300 lbs/ side?
30 degrees
Max airspeed with doors open?
120 knots
What 4 things activate ADHEELS?
* Manual switch
* Water Immersion
* 9g impact
* 90 degree attitude changes
Max AOB above 10,000 ft?
30 degrees
Max airspeed to extend landing light?
130 knots
Define icing conditions.
5 degrees Celsius or less & visible moisture
Max airspeed for running landing?
* 20 knots unlocked
* 60 knots locked
Max airspeed for opening & closing gunners
windows?
170 knots
Max AOB with < 300 lbs/ side?
30 degrees
What 2 things activate the IHEELS?
* Water Immersion
* 90 degree attitude changes
What 4 things activate ADHEELS?
* Manual switch
* Water Immersion
* 9g impact
* 90 degree attitude changes
Max airspeed to extend landing light?
130 knots
Max airspeed for running landing?
* 20 knots unlocked
* 60 knots locked
Max airspeed with doors open?
120 knots
What 2 things activate the IHEELS?
* Water Immersion
* 90 degree attitude changes
Max AOB above 10,000 ft?
30 degrees
Define icing conditions.
5 degrees Celsius or less & visible moisture
Max airspeed for opening & closing gunners
windows?
170 knots
Max AOB with < 300 lbs/ side?
30 degrees
What 4 things activate ADHEELS?
* Manual switch
* Water Immersion
* 9g impact
* 90 degree attitude changes
Max airspeed to extend landing light?
130 knots
Max airspeed for running landing?
* 20 knots unlocked
* 60 knots locked
What 2 things activate the IHEELS?
* Water Immersion
* 90 degree attitude changes
Max airspeed to extend search light?
100 knots
Max angle for sloped landings?
* Up- 9 degrees
* Down- 6 degrees
* Cross- 12 degrees
How long is the IHEELS battery good for?
20 minutes
How long is the ADHEELS battery good for?
45 minutes
How many generators are there & what are the specs?
2- 115 VAC, 3 phase, 400 hz, 30/45 kva
With an 80% charge, what is the battery life for day
& night operations?
* 11 minutes for day
* 9 minutes for night
How many lights make up the form light & where are
they?
5, 1 on each side of the stab, 1 on each side of the
transition section, and 1 on top of the cabin
(consists of 4 lights)
How is DC power supplied?
2 converters
What are the 5 AC buses?
* # 1 primary
* # 2 primary
* AC Ess
* Main rotor de-ice
* Tail rotor de-ice
What is the degree of travel of the search light &
degree of rotation?
* 120 degrees of travel
* 360 degrees of rotation
* 100 degrees in transition
How many VDC do the converters make?
28
What are the 5 DC buses?
* # 1 primary
* # 2 primary
* DC Ess
* Battery
* Battery utility
What is the degree of travel for the landing lights?
107 degrees
What type of battery is onboard?
24 VDC NICAD
What 4 things does the GCU protect against?
* Over voltage
* Under voltage
* Feeder faults
* Low frequency
What sides do the red and green nav lights correspond
to?
* Red: Port
* Green: Starboard
What is the spec of the APU generator?
115 VAC, 3 phase, 400 hz, 35 kva
What does GCU stand for?
Generator Control Unit
What 3 things is external power monitored for?
* Over/ under voltage
* Over/ under frequency
* Phase
What limits the AC load to the available generator if
one generator should fail?
Automatic bus switching
What are the 2 things that will trigger a battery
fault?
* Over temp
* Cell dissimilarity
At what 3 Nr %’s will the generators drop off line?
* 94 % on the ground
* 80 % in the air
* 97 % to reconnect
If both converters fail, what powers the battery bus?
Battery
The back-up hydraulic pump is the major load on
what bus?
# 1 AC primary
What is the primary power source of starting the
APU?
Battery
How are the generators cooled?
Oil cooled
How are the generators lubricated?
Oil from the XMSN
What does a # 1 or # 2 generator caution light mean?
The generators are not supplying power to the buses
What’s the first step in the aircraft of DC electrical
failure?
Safe altitude & airspeed- Establish