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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
|