1
Q
PFCS List
A
- Twin TOW Missile Launcher
- AZ./EL. Gyros
- EL. Resolver
- ADA
- APA
- CCP
- CRA
- EADA
- FCS
- GPA
- LCP
- PDA
- PEU
- pFTL
- PTA
- TIA
- TAS
- VDT
- VMC
2
Q
Mast Switch
A
ON: Supplies power to the Elevation Drive Assembly and allows the Gunner’s Handles to raise or stow the Elevated TOW system once Platform mode is switched to RAISE/STOW.
OFF: Power taken from the Elevation Drive Assembly and supplied to the EADA.
3
Q
Platform Mode Switches
A
- Missile 1
- Missile 2
- LOAD
- RAISE/STOW
4
Q
ITAS Power Switch
A
- OFF: Power is removed from the MITAS.
- STANDBY (STBY): Indicates that power is supplied to the TAS to keep the FLIR in a semi-cooled state when not in operating mode, but there is not enough power to generate a FLIR sight picture.
- ON: Indicates the MITAS is powered up and the FLIR will cool down completely and is ready for operation.
5
Q
Motion Switch
A
BASIC: Indicates that the gyros in the ETS are powered up but not in use.
GYRO: Indicates that the gyros in the ETS are in use.
NULL: Zeros gyro output; Used in conjunction with missile firing.
6
Q
Field of Elevation
A
-20 to 30 (Degrees) with 40 (Degree) Load angle
7
Q
Ammunition
A
- TOW Missiles: 2 armed, 10 stowed
- 7.62mm: 10 cans (200 rounds per)
- Smoke Grenades: 8 cans (4 rounds per can)
8
Q
Elevation Mast Assembly
(List)
A
- Telescopic Mast
- Interface Plate
- Adapter Plate Assembly
- Mast Harness Connectors
- Mast Protection Cover (MPC)
- Turret Drive Lock
- Locking Handles
- Slip Ring
- Elevation Drive Assembly (EDA)
- Mast Retainer Assembly
- Lower Mast Assembly
- Mast Switches and Harness
9
Q
Telescopic Mast
A
Provides 21.65” in elevation for the improved ability to fire effectively while in defilade.
10
Q
Mast Protection Cover (MPC)
A
Provides added environmental protection and sealing for the telescopic mast and the inside of the vehicle against NBC attacks.
11
Q
Interface Plate (Roof Flange)
A
Mounting plate for the ETS
Interfaces ETS to chassis
12
Q
Mast Harness Connectors
A
Provide the electrical connections necessary to supply the proper voltage and electrical signals to operate the elevated TOW system.
13
Q
Turret Drive Lock
A
Engages the ring bearing to lock the mast in azimuth position when locked. When unlocked, it allows the turret to traverse.
14
Q
Lower Mast Assembly
A
Provides housing for the electrical connections, inspection hatches allowing access to the internal components to perform inspections and maintenance. Provides a housing for the locking handles.
15
Q
Mast Switches and Harness
A
Have two limit switches that provide signals for upper and lower mast position.
16
Q
Slip Ring
A
Provides the capability of supplying the Elevated TOW system with voltage, electrical and video connections from the chassis to the components located in the ETS platform while allowing the ETS to rotate a full 360 (Degrees)
17
Q
Locking Handles (3)
A
Used to lock and support the ETS and to prevent backlash against the lower mast when preloading the Telescopic mast.
18
Q
Mast Retainer Assembly
A
Located inside the bottom section of the Upper Mast Assembly.
Connects the Upper Mast and Lower Mast Assemblies.
19
Q
Elevation Drive Assembly
A
Consists of a 170 VDC motor connected to a gearbox with a tooth belt pulley.
Provides vertical movement of the Telescopic mast.
20
Q
Precision Far Target Locator & Network Lethality
A
The pFTL operates using inputs from three major components:
- Integrated GPS
- Inertial Navigation System (INS)
- Laser Range Finder (LRF) on the MTAS
Provides network lethality and improved navigation capabilities in GPS-denied areas
21
Q
In what mode(s) is the Aided Target Tracker (ATT) available?
A
Available only in the NVS mode
(Adv. pp 316)
22
Q
ELRF
(Range, Beam Diameter)
A
- Capable of actively ranging targets 100-9,995 meters away with a 10 meter accuracy rounded to the nearest 5
meters. - Has a beam diameter of 1 meter at 2000 meters.
(Adv. pp 316)
23
Q
NFOV/WFOV
A
NFOV: 2.7 (Degrees)
WFOV: 8 (Degrees)
(Adv. pp 315)
24
Q
Right Gunner’s Handles
A
- Track Gate (TRK GATE) Switch
- Gate Adjustment (GATE ADJ) Switch
- Laser Range Finder (LRF) Button
- First/Last (FIRST/LAST) Button
- Platform Enable Switch (Palm Switch)
- Fire Trigger
(Adv. pp 315)
25
Left Gunner's Handle
- Filter (FLTR) Switch
- Brightness/Contrast/Focus (BCF) Switch
- Sight Select (SGT SEL) Switch
- Menu Switch
- Field Of View (FOV) Switch
- Platform Enable Switch (Palm Switch)
(Adv. pp 315)
26
SGT SEL
Allows the gunner to select between the day TV or thermal modes of operation.
27
Vehicle Mounted Charger (VMC)
The VMC operates with the supplied vehicle’s power in the range of 22.5 to 28 VDC and provides a converted conditioned output of 30.85-32 VDC with a nominal 31.85 VDC to the FCS and MTAS.
28
Card Rack Assembly (CRA)
Located to the left and behind the Gunner’s station between the sidewall and Elevation Mast Assembly
Central Processor for ATGM
It processes and handles data from the various sensors and components. The CRA also receives and distributes data between the VDT, CCP, LCP, GPA, FCS, TIA, and TAS.
(+8 other functions represented on another card)
29
CRA Functions
1) Monitors the health of the components in the Platform Fire Control System and Elevation Mast Assembly.
2) Routes RS-170 video to the VDT/VDET and Gunner’s Display.
3) Induces Line of Fire inhibits based on the azimuth and elevation of the ETS.
4) Induces Hatch Open inhibits if any of the hatch sensors detect an open hatch.
5) Induces Firing Obstacle Inhibit when the platform has been depressed or elevated into a fire safety
zone of the chassis while Umbilical Inserted.
6) Implements automatic azimuth and elevation stops when the Platform Control is placed into Load for correct load configuration.
7) Receives and distributes data between the VDT, FCS, TAS, TIA, GPA, LCP, and CCP.
8) Fires smoke grenade launchers.
9) Performs Automatic deck clearance.
(Adv. pp 325)
30
Elevated Mast Height
21.65in.
(Adv. pp 308)
31
ETS Field of Elevation
-20 to 30 (Degrees) with 40 (Degree) angle for loading
32
Speed of Elevation and Traverse
Elevation: 15 (Degrees)/Sec
Traverse: 40 (Degrees)/Sec
33
M240B MG
(Frontal Coverage & Elevation)
Frontal Coverage: 240 (Degrees)
Elevation: -20 to 60 (Degrees)
34
Ammunition
TOW Missiles: 12
7.62mm: 10 cans
Smoke Grenades: 8 cans
35
Elevation Mast Assembly
- Telescopic Mast
- Mast Protection Cover
- Interface Plate
- Elevation Drive Assembly
- Slip Ring
- Mast Retainer Assembly
- Mast Harness Connectors
- Mast Switches and Harness
- Adapter Plate Assembly
- Turret Drive Lock
- Locking Handles
- Lower Mast Assembly
36
ITAS Power Switch
(3 Positions)
- ON position indicates the MITAS is powered up and the FLIR will
cool down completely and is ready for operation
- Standby (STBY) position indicates that power is supplied to the TAS to keep the FLIR in a semi-cooled state when not in operating mode, but there is not enough power to generate a FLIR sight picture.
- Off position: Indicates that the power is removed from the Modified Improved Target Acquisition System (MITAS).
(Adv. pp 310)
37
Motion Switch
(3 Operating Positions)
- Basic: Gyros in the ETS are powered up but not in use
- Gyro: Gyros in the ETS are in use
- Null- Zero: Gyro output used in conjunction with missile firing
(Adv. pp 310)
38
Which Motion Switch button is used in conjunction with firing?
Null
(Adv. pp 310)
39
How long should the TAS be powered down if the error message "TAS OVERHEAT" appears in the Gunner's Display?
2 Hours
(Adv. pp 311)
40
Antenna Protection Switch
The Antenna Down position must be selected every time a TOW Missile is fired in order to prevent the back-blast from damaging the antenna during firing.
(Adv. pp 311)
41
Platform Mode Switch
(Functions)
- Missile 1
- Missile 2
- Raise/Stow
- Load
42
What happens to the missile if you close the Launching Equipment Switch door while it's in flight?
Activates the Safe/Abort function
Cuts the wire
43
Mast Switch
- ON: Supplies power to the Elevation Drive Assembly and allows the Gunner’s Handles to raise or stow the Elevated Tow System once the platform switch is switched to RAISE/STOW.
- OFF: Power is removed from
the Elevation Drive Assembly and power is supplied to the Elevation Angle Drive Assembly (EADA).
(Adv. pp 313)
44
Digital Zoom
2x Digital Zoom doubles magnification of only the NVS when in surveillance mode. Not available in Day sight.
NFOV magnification level will double from 12x to 24x
WFOV magnification level will double from 4x to 8x
(Adv. pp 315)
45
TRK GATE
(Default)
Size a tank at 1,500m (By default)
46
Gunner's Display
(Modes)
- BRIGHT
- CONT
- A/HD
(Adv. pp 317)
47
Commander's VDT
- Allows the crew to perform maintenance
- Allows the crew to conduct operational functions
- Allows the crew to run the Embedded Trainer
- Run ETSS for weapons operator training
- Interacts with the DVE
48
What are the buttons in the Azimuth Position portion of the LCP which allows the Loader to assume control of, and load, the system?
- Hatch Clear
- Left Ready
49
Power Electronics Unit (PEU)
Located directly behind the gunner's station
It functions as a dual axis motor controller that controls the current and voltage going to the Azimuth Drive Assembly (ADA) and either the mast Elevation Drive Assembly or the Elevation Angle Drive Assembly (EADA).
(Adv. pp 325)
50
Power Transfer Assembly (PTA)
Located in the Gunner’s station above the CRA.
Transfers power from the PEU to either Mast Elevation Drive Assembly or Elevation Angle Drive Assembly (EADA) depending on crew inputs.
(Adv pp 326)
51
Azimuth Position Assembly (APA)
Behind the Gunner’s Station and in front of the Elevation Mast Assembly
Reports the position of the ETS in Azimuth in relation to the chassis to the Card Rack Assembly (CRA).
(Adv pp 326)
52
Elevation Resolver
Mounted on the right side of the ETS platform bearing housing.
Measures the elevation angle of the Target Acquisition System (TAS) and Twin TOW Missile Launcher relative to the chassis and reports position to the Card Rack Assembly (CRA).
(Adv pp 327)
53
Azimuth and Elevation Gyros
Located within the right side of the ETS platform sight/launcher rotor
Provide the CRA with launcher azimuth and elevation angle rates, direction, and amount to assist in maintaining stable motion of the ETS.
54
Gunner's Panel Assembly (GPA)
- Gunner's Control Panel
- Gunner's Handles
- Gunner's Display
55
Power Distribution Assembly (PDA)
Vehicle hull left sidewall. Mounted directly in front of the PTA.
The PDA provides an enclosed case in which power is distributed to the various components of the ETS
56
What mode must the Gunner be in to engage the target tracker?
NVS mode
(Adv pp 328)
57
What system primarily tracks the missile while in flight and what does it use?
FCS; Xenon Beacon
(Adv. pp 328)
58
The Xenon Beacon cannot see through ____ so there is a second missile tracker (Thermal beacon) used by the FCS.
Heavy battlefield smoke
(Adv pp. 328)
59
Tow Interface Assembly (TIA)
Located within the ETS platform in front of the Elevation Drive Assembly
An electronic interface assembly that connects the MITAS and TOW launchers with the Gunner’s Control Panel Assembly through the Card Rack Assembly.
Controls the wire cutter when the
Gunner closes the Launching Equipment Switch.
(Adv. pp 328)
60
What component controls the wire cutter when the Gunner closes the Launching Equipment switch?
Tow Interface Assembly (TIA)
61
Elevation Angle Drive Assembly (EADA)
Located within the ETS platform behind the TIA
Functions as a 170 VDC drive motor that allows the Target Acquisition System (TAS) and Twin TOW Missile Launcher to move independently, in elevation, from the ETS Platform.
62
What component allows for elevation angles to aid in loading and unloading of of the TOW missile?
EADA
(Adv. pp 329)
63
Azimuth Drive Assembly (ADA)
Located directly behind the Gunner in front of the Telescopic Mast
A 170 VDC motor that interfaces with the azimuth gear ring to move the mast in azimuth.
(Adv. pp 329)
64
All Drive Assemblies are what?
170 VDC motors
65
Target Acquisition System (TAS)
Contains the FLIR, NVS, DVO, ELRF
Serves as both a target acquisition
device and a missile/target tracking sensor utilizing the Thermal and Xenon Beacon Trackers.
(Adv. pp 329)
66
TAS cool down time
Usually less than 10m but may take up to 15m in hot weather
(Adv. pp 329)
67
When should boresight be conducted?
Boresight should be conducted upon system power up and if a temperature change greater than 14 (Degrees) Fahrenheit occurs.
68
Precision Far Target Locator (pFTL)
(Mounting)
Mounted to the top armor plate utilizing a spider mount butterfly connection above the MTAS.
69
Armor Control Unit (ACU) and what is used to actuate it?
Houses the two electrical connection umbilicals, two actuators that depress the holdback pin in the missile, and the manual missile arming and disarming mechanism located in the rear of the launcher. The manual Arm and Safe positions are actuated using a 3/8" drive ratchet, intended for emergency
use only.
(Adv. pp 333)
70
The elevation nut and spindle shaft
Raises and lowers the Telescopic Mast
(Adv. pp 334)
71
Interface Plate
Mounting plate for the Elevated TOW System
(Adv. pp 334)
72
Adapter Plate Assembly
Connects ETS and Telescopic Mast
(Adv. pp 334)
73
Mast Harness Connectors
Provides the electrical connections
necessary to supply the proper voltage and electrical signals to operate components housed in the Elevated Tow System.
(Adv. pp 334)
74
Mast Protection Cover (MPC)
Provides added environmental protection
and sealing for the Telescopic mast and the inside of the vehicle against CBRN attacks.
(Adv. pp 334)
75
Turret Drive Lock
Engages the ring bearing to lock the mast in azimuth position when set to locked
(Adv. pp 336)
76
Locking Handles
Used to lock and support ETS and to prevent backlash against lower mast when preloading the telescopic mast
(Adv. pp 336)
77
Slip Ring
Supplies the Elevated TOW System with voltage, electrical, and video connections and signals from the chassis to the components located in the ETS platform while allowing the ETS to rotate a full 360°.
78
Elevation Drive Assembly
Located in the Loader's station on the floor
It is a 170 VDC motor that is connected to the gearbox via a tooth belt pulley
It rotates the spindle shaft, located inside the Telescopic Mast Assembly, to provide vertical movement of the telescopic mast
(Adv. pp 336)
79
Mast Retainer Assembly
Located inside the bottom section of the
Upper Mast Assembly
- Connects the Upper Mast Assembly to the Lower Mast Assembly.
- Internal component where the locking handles support the Upper
Mast Assembly when it is in the raised position.
(Adv. pp 337)
80
Lower Mast Assembly
- Provides a housing for the electrical connections
- Allows for the accessing of the internal components to perform inspections and
maintenance.
- Includes the ring bearing which is
the main bearing between upper chassis hull and elevating mast.
(Adv. pp 337)
81
Mast Switches and Harness
Have two limit switches that provide signals for upper and lower mast position
82
A wire harness goes through ____ inspection hatch and connects to the Slip Ring
Right Hand
(Adv. pp 337)
83
TAS Cooling Fan Switch
Used in conjunction with the TAS HOT lamp
Enable: Fan will turn on and keep the TAS from overheating
Disable: No cooling of the TAS
Should always be in the Enable position to prevent damage to components
84
Upper temperature threshold of the FCS
160 (Degrees) Fahrenheit
85
How long should the TAS be powered down for if the “TAS OVERHEAT” message appears in the Gunner’s Display?
2 Hours
86
What will cause the Launching Equipment Trigger Enable Lamp to illuminate?
The Launching Equipment Trigger Enable Lamp will illuminate once the Enable Trigger has been selected with the Launching Equipment switch. At this point, the selected missile is now armed and ready to fire.
(Adv pp 312)
87
Which lamp will be illuminated if the platform has been depressed or elevated into a fire safety zone of the chassis while Umbilical inserted is selected prior to Trigger Enabled?
Firing Obstacle Lamp
(Adv. pp 313)
88
Line- of- Fire Fault Lamp
(Conditions)
I. Platform Assembly in the Stowed Position
II. Platform Mode Switch in the Raise/Stow position with Mast switch set to ON position
III. Platform Assembly not in the fully Raised condition
IV. Disconnected Azimuth Position Assembly (APA)
V. Disconnected Resolver
(Adv. pp 314)
89
Eye-Safe Laser Range Finder (ELRF) Range
- 100-9,995m
- 10m accuracy rounded to the nearest 5m
90
FIRST/LAST
(Use)
FIRST return should be used when there are no obstructions between ranging vehicle and intended target.
FIRST return can also be used for training targets such as panels or cloth-type silhouettes. Training targets may get holes in them which will allow laser beams to pass through and produce returns from objects further away.
(Adv. pp 316)
SMG (Roth)
flashcards
Decks in class (13)
# Cards
