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135 Cards in this Set

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101.1: Describe the physical characteristics of the EP-3E aircraft.
The EP-3E aircraft is a four engine, low wing, electronic warfare and surveillance aircraft utilizing state-of-the-art electronic surveillance equipment for its primary mission.
101.2: What is the EP-3E total fuel capacity in U.S. gallons?
9200 us gallons.
101.3 State the purpose of the Mission Commander (EWAC/MC).
Responsible for all phases of the assigned mission except for matters affecting safety of flight.
101.3 State the purpose of the Electronic Warfare Aircraft Commander (EWAC).
Responsible for all matters concerning the safe operation of the aircraft from preflight to mission completion, and shall ensure a complete external and internal preflight is performed on all flight-related systems. He/she shall ensure crewmembers are thoroughly briefed on all aspects of the mission, and ensures all passengers are fully briefed on safety/survival equipment and procedures.
101.3 State the purpose of the Co-Pilot (2P).
The 2P functions as a safety backup for the pilot as necessary throughout the entire flight spectrum and mission in order to maintain the safest possible flight environment. The second pilot also performs communications duties and reads checklists.
101.3 State the purpose of the Flight Engineer (FE).
Directly responsible to the aircraft commander, the FE performs exterior/interior preflight checks, submits completed aircraft weight and balance forms and computed takeoff data to the aircraft commander, ensures the desired fuel load is on the aircraft, and that ground power is applied for the pilots preflight inspection. The FE is responsible for engine starts and once inflight, the FE monitors engine and system flight station controls and indicators. He/she should monitor radio transmissions, back up pilots on altitude assignments and watch for conflicting air traffic.
101.3 State the purpose of the Navigator/Communicator (NAV/COMM).
Responsible for navigation of the aircraft along a specific route, maintain an accurate plot of past and present positions for planning future course and speed, and maintain a detailed flight log. The NAV/COMM shall draft, authenticate, encrypt, and transmit messages released by the aircraft or mission commander.
101.3 State the purpose of the Secure Communications Operator (SECURE COMM).
Responsible for ensuring secure communications are rapid, effective, and in accordance with prescribed doctrine. He/she shall conduct preflight operational checks of assigned equipment to include a two-way communications check.
101.3 State the purpose of the Senior Evaluator (SEVAL).
Employs appropriate procedures and provides guidance to effectively carry out the mission. The SEVAL prepares the mission brief, briefs the crewmembers, ensures all required mission materials are on the aircraft and properly distributed, and for the content and preparation of preflight, mission, and postflight messages.
101.3 State the purpose of the Tactical Evaluator (EVAL).
Directly responsible to the SEVAL, he directs the ESM operators and coordinates these activities with the SEVAL. The EVAL shall brief and continuously inform the ESM operators throughout the mission, draft and release messages as directed by the SEVAL, assist in identification/location of intercept data, and ensure accurate collection, completion, and disposition of mission materials.
101.3 State the purpose of the Special Evaluator.
Operationally responsible to the SEVAL, he briefs, informs, and directs and coordinates activities of the special operators throughout the mission. The Special Evaluator is tasked with providing direct support in order to fulfil mission requirements, and is responsible for all classified information held by himself or the special operators.
101.3 State the purpose of the Radar/ESM Operator (BIG LOOK).
Responsible to the EVAL for the detection, identification, coordination and analysis of mission significant data, weather and navigation data.
101.3 State the purpose of the Laboratory Operator (LABOP).
Responsible for the detection, identification, recording, transcription, and analysis of mission significant data. He/she checks out required mission materials, compile and organize information for post-mission reporting.
101.3 State the purpose of the ESM Operator (EWOP).
Responsible to the EVAL for the detection and identification of mission significant data, and coordinates with the EVAL in the analysis of intercepted data.
101.3 State the purpose of the Special Operator Supervisor.
Responsible for monitoring the activities of the special operators to avoid duplication of effort, correlates the intercepted data, and processes it to the special evaluator.
101.3 State the purpose of the Special Operator Supervisor.
Responsible for monitoring the activities of the special operators to avoid duplication of effort, correlates the intercepted data, and processes it to the special evaluator.
101.3 State the purpose of the Special Operator.
Responsible for detecting, identifying, transcription, and analysis of data pertaining to mission importance.
101.3 State the purpose of the Record.
Operates two DTR-16 wideband recorders to record ESM.
101.3 State the purpose of the Science and Technology Operator.
Responsible for special signals and demodulation.
101.3 State the purpose of the In Flight Technician. (IFT).
The IFT acts as the enlisted crewmember supervisor during preflight and postflight, and is not assigned to any equipment exclusively, but is responsible for maintaining the operating capabilities and performing in-flight repair of ESM, special, and NAV/COMM equipment. The IFT assigns preflight/postflight duties to enlisted crewmembers, ensures aircraft cleanliness, discusses training objectives with trainees, and ensures adequate time is made for signal review and operator/maintenance proficiency.
101.3 State the purpose of the Observer.
Normally in training for one of the positions, the observer may also be a fully qualified crewmember acting as a relief operator for a location. He/she shall report all tactical information to the SEVAL or pilot/copilot as directed.
101.4: State the maximum number of ditching stations.
24 ditching stations.
101.5: State the purpose of engine loiter operations.
Two and three engine loiter operations provide a substantial reduction in fuel flow required to maintain loiter airspeed, thus extending on-station duration time.
101.6: Discuss the danger areas of the EP-3E.
1. Propeller area
2. Jet blast area
3. Engine compressor and turbine area
4. APU air multiplier area
5. Radar radiation area
6. Extendable radome area
7. Wing flap danger area
8. Noise areas
102.1: Discuss the responsibilities of the training department.
Responsible to the Commanding Officer in all matters pertaining to the planning, coordinating, scheduling, and documentation of non-maintenance, officer, and aircrew training throughout the squadron. Training provides management, oversight, and responsibility for officer and aircrew training, manage and execute the Personal Qualification Standard (PQS) system, and ensure the existence and validity of formal courses and programs necessary to qualify aircrew personnel. Additionally the training department will chair the Quarterly Planning Board for Training to establish training objectives and project future training priorities, and manage and implement a systematic approach to document and maintain officer and aircrew training records.
Mission Oriented Protective Posture (MOPP).
Required for certain detachments, to inform personnel of the four levels of MOPP, and as a familiarization of the equipment required for personal CBR protection.
Mission Avionics Systems Trainer (MAST).
Provides a computer simulated trainer for various EP-3E ESM position operators.
Pre-deployment training.
Deployment site specific to inform personnel of the area, expected operations, local regulations, and possible terrorist threat to reduce possible operational and personal degradation during the first few weeks of the deployment.
Maintenance Training Improvement Program (MTIP).
The primary means to judge the training and readiness standards of maintenance personnel by testing and tracking professional progress and knowledge of the aircraft and systems.
Aircrew Coordination Training (ACT)
Training designed to promote and enhance communication between aircrew during flight operations and inflight emergencies.
Required Operational Capabilities (ROC)
A document that states the minimum manning levels required to accomplish the squadron’s mission.
102.3: Explain the purpose of the Squadron Planning Board for Training (PBET).
Responsible to the CO for developing the units training program with the ultimate goal of well-trained and qualified personnel.
102.4: State the highest and lowest levels of readiness.
Highest to lowest: T1, T2, T3, T4
R1, R2, R3, R4
102.5: State the purpose of the Officer Professional Development Board (OPDB).
Tracks the professional development of all aircrew officers.
102.5: State the purpose of the Enlisted Aircrew Professional Development Board (EAPDB).
Reviews the records of individuals that fail to qualify within an expected time frame due to prolonged medical, psychological, or other problems that affect a trainee’s progress.
102.5: State the purpose of the Mission Board (MB)
For EVAL, EWAC, and SEVAL, the EVAL MB is not pass/fail, but is used to determine progress and denote deficiencies. EWAC and SEVALs may receive a Conditional Qual (CQ) on any one of the board mission areas. If two CQ’s or an Unqualified are received, they will be required to re-board on all mission areas.
102.5: State the purpose of the Training Review Board (TRB).
A forum utilized to identify an aircrew members training deficiencies, recommend remedial training, or recommend disqualification from duties involving flying.
103.1: What are your command’s Areas of Responsibility (AOR’s)?
VQ-2 is forward deployed in the EUCOM AOR, under operational control of SIXTHFLT.
103.2: Discuss the responsibilities of the operations department.
Operations is responsible to the Commanding Officer for the collection, evaluation, and dissemination of combat and operational information required for assigned missions and tasks of the command by scheduling, managing, and employing the squadron aircraft and personnel.
103.3: Define the duties, responsibilities, and authority of the NATOPS department.
The Safety Officer is the head of the NATOPS department, having direct access to the CO, XO, and all department heads on all safety and NATOPS matters, having no additional responsibilities. NATOPS exists to enhance squadron operational readiness through identification and elimination of potential aviation hazards, while ensuring standardized aircrew training and flight performance standards. The safety officer acts as the principle advisor to the CO on squadron safety matters, while coordinating and supervising the command NATOPS program, ensuring the Squadron Safety Council and Enlisted Safety Committee are properly organized.
103.4: Describe the basic purpose of the Instrument training flight.
Utilization of aircraft instruments to maintain aircrew flight proficiency.
103.4: Describe the basic purpose of the Dedicated Field Work (DFW) flight.
Minimum standards for field practice of touch-and-go’s, approaches, and emergency drills requiring a number of day, night, and emergency landings.
103.4: Describe the basic purpose of the NATOPS instrument evaluation flight.
Federal Aviation Administration and Navy annual graded instrument check and evaluation for standardized instrument aircraft flight.
103.5: conditions of flight: Condition 1: Evasion/Rigging.
All stations manned as required for low altitude flight, rigging, or evasion.
103.5: conditions of flight: Condition 2: Routine flight.
All stations are manned as required for ESM operations, overwater, or overland flight. Lookout stations manned as necessary.
103.5: conditions of flight: Condition 3: Equipment check.
All stations manned by primary operators. ICS and equipment status checks performed, with results reported to the SEVAL, who reports equipment status to the EWAC.
103.5: conditions of flight: Condition 4: Aircraft inspection.
Pre-designated crew members inspect the doppler well, high-band antenna area, main electrical load center, rack overheat lights, and hydraulic service center, and visible external surfaces and engines for loose equipment, leakage, smoke, fumes, or obvious discrepancies.
103.5: conditions of flight: Condition 5: Takeoff/landing
All crewmembers seated at assigned ditching stations facing aft if allowed.
103.6: Define COMINT
A sub-category of SIGINT (signals intelligence) that involves messages or voice information derived from the interception of foreign communications.
103.6: Define ELINT
The interception and analysis of electromagnetic signals of other countries including radar, radio, telephony, and microwave transmissions. ELINT is a sub-category of SIGINT (signals intelligence).
103.6: Define SIGINT
The interception and analysis of communications, radar, and other forms of electromagnetic transmissions. ELINT (electronic intelligence) and COMINT (communications intelligence) are sub-categories.
104.1: Define the following Acronym MLG:
Main Landing Gear
104.1: Define the following Acronym HSU:
Hydraulic Servicing Unit
104.1: Define the following Acronym HSC:
Hydraulic Service Center
104.1: Define the following Acronym AVGFE:
Aviation Gas Free Engineer
104.2 Discuss the corrosion prone areas of the ep-3e aircraft.
Principally along the seams of 70756-T6 aluminum alloy structures, in box skin centeroid risers, and around cadmium plated steel fasteners.
104.3 Discuss the type of construction used in the ep-3e aircraft.
All metal construction, the fuselage is of semimonocoque construction consisting of layered skins, stringers, longerons, and bulkheads or frames. Primary wing structure consists of beam box construction comprising main spars; upper and lower surfaces of integrally stiffened skins with ribs provided at frequent intervals to stabilize the structure and main contour.
104.4: Describe the type of landing gear utilized on the EP-3E aircraft.
Hydraulically actuated, forward retracting, with dual wheels on each strut. Capable of in flight free fall to the down and locked position in the event of hydraulic failure, while on the ground aircraft weight keeps the gear down and locked. A mechanical safety downlock is provided to prevent inadvertent gear retraction while on the ground.
105.1: Define RPM:
Revolutions Per Minute
105.1: Define QEC:
Quick Engine Change assembly
105.1: Define APU:
Auxiliary Power Unit
105.1: Define EDC:
Engine Driven Compressor
105.1: Define TIT:
Turbine Inlet Temperature
105.1: Define SHP:
Shaft Horsepower
105.2: State the type and model of the EP-3E engine.
Allison T56-A-14 Turboprop.
105.3: Discuss the purpose of the constant speed propeller.
Selected RPM is maintained through the use of a variable pitch propeller. Propeller blade angle is changed in response to power lever or fuel coordinator/scheduling position.
105.4: Discuss Center point pressure fueling.
the primary method of fueling having the refuel trucks hose attached at the refueling panel connections. The system can accept 600 gallons per minute from two trucks simultaneously.
105.4: Discuss Over-wing gravity feed fueling.
an alternate fueling method allowing the aircraft to receive fuel by pumping fuel through hoses placed into the overwing gravity filler wells located in each wing tank.
106.1: Define ADF:
Automatic Direction Finding.
106.1: Define GPS:
Global Positioning System.
106.1: Define ESM:
Electronic Support Measures.
106.1: Define SSIP:
Sensor Station Improvement System.
106.1: Define VOR:
VHF-Omniranging.
106.1: Define CRT:
Cathode Ray Tube
106.1: Define DCMS:
Digital Communication Management System.
106.1: Define RADALT:
Radar Altimeter.
106.1: Define CMS:
Communication Security Material System
106.1: Define ESD:
Electrostatic Discharge
106.2: Discuss ESM.
Detect, receive, demodulate, analyze, and record electromagnetic signals in the FB1 – FB3 and TB1 – TB7 frequency range from stations 7 – 13.
106.2: Discuss Special:
Detect, receive, demodulate, analyze, and record electromagnetic signals in the FB1 – FB4 and TB1 – TB6 frequency range from stations 14 – 20.
106.2: Discuss the two systems that compromise mission avionics.
1. ESM.
2. Special:
106.3: Discuss the four radio communication sets used on the EP-3E aircraft.
The EP-3E uses two AN/ARC-94 HF radio sets (HF 1, HF 2), one AN/URR-74(V)2 radio receiver (HF 3), two AN/ARC-182 VHF/UHF radio sets (VHF/UHF 1, VHF/UHF 2), and three AN/ARC 206 UHF radio sets (UHF 1, UHF 2, UHF 3). All radios are connected to the ICS system to provide flexibility and convenience of radio selection. All radios except HF 1, HF 3, and UHF 3 can transmit and receive in plain and secure voice modes. HF 1 and UHF 3 can transmit and receive in plain voice mode only. HF 3 can only receive.
107.1: Define AFCS:
Automatic Flight Control System
107.1: Define MELC:
Main Electrical Load Center
107.1: Define AOA:
Angle Of Attack.
107.1: Define INS:
Inertial Navigation System
107.2: Discuss the Electrical Power Supply System.
Provides necessary AC and DC electrical power requirements. 120 volt 3 phase AC power is provided by three 90 KVA engine-driven generators mounted on engines 2, 3, and 4, and/or one additional 60 KVA APU-mounted generator. AC power is then furnished to five separate AC busses via a series of transfer relays (2 – 7), operating in conjunction with the runaround relays (1, 2) and AC monitoring relays. DC power is provided to the six DC busses from three Transformer rectifier units (TR1, TR2, and TR3), which convert 120 volt AC power to 28 volt DC output voltages. An emergency inverter is provided to convert 24 VDC aircraft battery voltage to 120 VAC, routed to the start essential AC bus in the event of a total AC power system failure.
108.1: Define LPP:
Life Preserver assembly (not safe for use by small children).
108.1: Define LPA:
Life Preserver assembly (used in conjunction with the SV-2).
108.1: Define SV-2:
Survival Vest.
108.1: Define EDC:
Engine Driven Compressor.
108.1: Define HRD:
High Rate Discharge
108.1: Define CAD:
Cartridge Activated Device.
108.2: Discuss the purpose of aircraft cabin pressurization and air conditioning.
Provides the crew with environmental control and electronic equipment cooling both inflight and on the ground.
108.3: Discuss the purpose of aircraft oxygen systems:
Designed to supply an active flightcrew of three with 3.5 hours of oxygen at 25,000 feet altitude. Three portable (walk-around) oxygen bottles are installed on the EP-3E, located at NAV/COMM, SECURE COMM, and near the aft pressure bulkhead on the J2 electronics rack.
A. What is its function?
B. Where is it located?
Fuselage.
The main structure or body of the aircraft to which all other units attach. It provides space for the crew, cargo, most of the accessories, and other equipment.
A. What is its function?
B. Where is it located?
. Empennage.
The aft section of the aircraft to include vertical and horizontal stabilizer.
A. What is its function?
B. Where is it located?
Wing.
Attached to the fuselage, designed to develop lift as the aircraft moves through the air. Fuel tanks are housed in the inner sections of the wings.
A. What is its function?
B. Where is it located?
Flaps.
The flaps are of the high-lift Fowler type, functioning to increase lift and are located on the aft inboard wing sections. The flaps utilize a combination of aft movement to increase the wing area and a drooping motion to change the airfoil.
A. What is its function?
B. Where is it located?
Ailerons.
Ailerons are located on the outboard wing trailing edges and are used to change the roll of the aircraft about the longitudinal axis.
A. What is its function?
B. Where is it located?
Rudder.
The rudder is located on the aft section of the vertical stabilizer, and is used to change the direction or yaw of the aircraft, providing movement about the vertical axis.
A. What is its function?
B. Where is it located?
Elevators.
Elevators are located on the aft sections of the port and starboard horizontal stabilizers and are used to change aircraft pitch, or altitude, about the lateral axis.
A. What is its function?
B. Where is it located?
Trim tabs.
Located on the trailing edges of the ailerons, rudder, and elevators, trim tabs allow for minute adjustments in aircraft pitch, roll, and yaw that can be set by the pilot. Controls to adjust the trim tabs are all located on the flight station center pedestal
A. What is its function?
B. Where is it located?
Pumps.
There are 4 hydraulic pumps located in the hydraulic service center, and are designed to provide hydraulic power to every hydraulically actuated component on the aircraft. The AC electrically powered 3000 psi 8 gallon per minute (gpm) pumps are designated as 1, 1A, and 2, with pumps 1 and 1A providing hydraulic power to system 1, and pump 2 powering system 2. Pump 1B is a DC aircraft battery powered pump used to charge the brake accumulator.
A. What is its function?
B. Where is it located?
Reservoirs.
Located in the HSC, both system 1 and system 2 have their own hydraulic reservoir used to store hydraulic fluid. The number 1 reservoir has a gallon capacity, providing hydraulic fluid to system 1, and the number 2 reservoir provides a 1 gallon capacity of hydraulic fluid for the number 2 system.
A. What is its function?
B. Where is it located?
Booster assemblies.
There are 3 booster assemblies that are designed to give the pilot mechanical advantage and over, and reduce control-input travel to the flight control surfaces. The aileron booster package is located in the HSC; the elevator and rudder booster packages are located in the aft hydraulic service area.
A. What is its function?
B. Where is it located?
Actuators.
Located in various areas of the aircraft, such as on the landing gear and booster assemblies, actuators turn hydraulic fluid flow into mechanical motion.
A. What is its function?
B. Where is it located?
Forward radome.
Located on the nose of the aircraft, houses and protects the forward radar antenna.
A. What is its function?
B. Where is it located?
Aft radome.
Located on the aft empennage, houses the aft radar antenna.
A. What is its function?
B. Where is it located?
Upper canoe.
Located on the top of the fuselage, houses and protects various upper radar antennas, and provides a mount for the upper rotating beacon.
A. What is its function?
B. Where is it located?
Lower canoe.
Located on the lower section of the fuselage between the aft section of the wings, it houses and protects the lower radar antennas. A removable center section allows access to the lower door of the HSC.
A. What is its function?
B. Where is it located?
Extendable radome (M&M).
Located on the lower fuselage just aft of the APU compartment, it houses and protects the high band radar antenna.
A.What is its function?
B.Where is it located?
Engine Power section
Located in the mid-to-aft engine nacelle, the power section contains the combustion chambers, 14 stage compressor, and turbine, to provide the power to turn the propeller and provide bleed air for various systems.
A.What is its function?
B.Where is it located?
Engine accessory section
Located on the bottom of the compressor air inlet housing and driven by compressor extension shaft, the accessory section drives equipment such as the engine fuel pump, fuel control, speed sense control and valve, main oil pump and filter, and also the scavenge oil pump.
A.What is its function?
B.Where is it located?
Reduction gear assembly.
Located in the forward section of the engine nacelle, the RGB (Reduction Gearbox) is designed to reduce the 13,820 engine rpm 13.54/1 to a high torque propeller shaft rotation of 1020 rpm.
A.What is its function?
B.Where is it located?
C.What is the type and model used?Propeller system:
The EP-3E propeller is a four bladed Hamilton Standard model 54H60-77, constant speed, variable pitch, full feathering type located on the forward section of the engine nacelle. The propellers purpose is to convert engine power into thrust
A.What is its function?
Dome:
Mounted on the barrel shaft, it incorporates a pitch-control piston, cam, and geartrain to convert linear piston travel into rotary motion of the blades.
A.What is its function?
Barrel:
The structural foundation and hub for the blades, control assemblies, pitchlock regulator, and dome
A.What is its function?
Blade assembly:
Rotate in the barrel (variable pitch) to provide the desired forward or rearward thrust.
A.What is its function?
Control assembly:
Made up of the pump housing (prop control) and valve housing, it consists of various components required to control propeller blade angle.
A.What is its function?
B.Where is it located?
C.What is the type and model used?Aircraft Propeller system
The EP-3E propeller is a four bladed Hamilton Standard model 54H60-77, constant speed, variable pitch, full feathering type located on the forward section of the engine nacelle. The propellers purpose is to convert engine power into thrust.
A.What is its function?
Dome:
Mounted on the barrel shaft, it incorporates a pitch-control piston, cam, and geartrain to convert linear piston travel into rotary motion of the blades
A.What is its function?
Barrel:
The structural foundation and hub for the blades, control assemblies, pitchlock regulator, and dome.
A.What is its function?
Blade assembly:
Rotate in the barrel (variable pitch) to provide the desired forward or rearward thrust
A.What is its function?
Control assembly:
Made up of the pump housing (prop control) and valve housing, it consists of various components required to control propeller blade angle
A.What is its function?
B.Where is it located?
Auxiliary Power Unit (APU):
The APU is located in the lower section of the forward fuselage, just aft of the nose wheel well. It provides electrical power, hydraulic power, bleed air for engine starts, ground air conditioning and pressurization. It can also be used as an emergency source of power while airborne.
A.What is its function?
B.Where is it located?
Fuel Tanks
4 integral wing tanks (tanks 1-4), 1 fuselage auxiliary bladder type fuel cell (5A), and one rigid integral fuselage tank (5).
A.What is its function?
B.Where is it located?
Fueling System
Allows for the refueling of the aircraft. The fueling panel is located in the aft inboard section of the starboard wing. Fueling and transfer valves are located in the flapwells for tanks 1-4, and in the lower forward fuselage aft of the M&M for tanks 5 and 5A.
A.What is its function?
B.Where is it located?
Fuel Transfer System
Fuel transfer controls are located on the fuel management panel on the flight station center pedestal. This system allows for the transfer of fuel from tank 5/5A to any of the wing tanks.
A.What is its function?
B.Where is it located?
Fuel Crossfeed System
Crossfeed controls are located on the fuel management panel on the flight station center pedestal. This system allows any of the wing tanks to supply fuel to any of the engines.
A.What is its function?
B.Where is it located?
Fuel Dump System
Control switch is located on the pilot inboard overhead panel, actuation will start the jettison and transfer pumps to jettison the fuel from tank 5 over the port inboard wing trailing edge to reduce landing weight.
202.5.1: What safety precautions must be observed during fueling operations?
Any RF transmission is a potential source of fuel ignition, transmitting and radiating equipment shall not be in use during fueling. When electrical storms are in the vicinity, fueling should be stopped. Use of the dipstick to verify fuel level until 3 minutes after fueling is completed may result in a static discharge, igniting the fuel. Fueling will be halted immediately if: Wing or fuselage tanks are overfilled, fuel spills from a wing tip vent, a loud or unusual noise is accompanied by wing or aircraft vibration.
203.1.1: Digital Communications Management System (DCMS).
The AN/AIC-37(V) is a solid state audio/data distribution system used to process audio and/or data throughout the aircraft and provides an interface between analog and digital devices and the operator. Located at all stations, DCMS also allows for both ICS and radio operations and monitoring.
203.1.1: Ultra High Frequency (UHF)
The three AN/ARC-206 radio sets (UHF 1, UHF 2, UHF 3) provide two way AM/FM UHF communications for various data and voice operational modes. Controlled from station 13 and useable at stations 1, 2, 4, 6, 14, and monitored by station 3. The system transmits and receives signals over the 225.000 to 399.975 MHz range in 25 kHz increments. UHF 1 and UHF 2 can also operate in the AM/FM secure voice mode in conjunction with a KY-58.
203.1.1: Very High Frequency (VHF).
The two AN/ARC-182 radio sets (VHF/UHF 1, VHF/UHF 2) provide two way AM/FM voice/secure voice communications over the frequency range of 30 – 399.975 MHz at 25 kHz increments. The radios can be operated from stations 1, 2, 6, 13, and monitored from station 3.