Board Phase 3 ?'s Flashcards by Josh Dillen

How does the autopilot function work?

Plane flys and is controlled by Action Points.

- Action Points perform actions based on waypoints provided by GPS.

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What do the ailerons control?

Flight Attitude along the longitudinal (roll)

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What is the length of the MQ-4C Triton?

47 feet 8 inches from nose to tail

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How big is the Triton wing span?

130 feet 11 inches

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How many gallons of fuel does the MQ-4C Triton hold?

2,518 gallons

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What types of fuel does the Triton accept?

JP-5
JP-8
JP-8 +100
TS-1

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How many TMED actuators are there and heater assemblies? Where are they located?

160 actuators
16 heater blanket assemblies

Distributed along the leading edges of the wings and v-tail

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What are the attitude capabilities of the Triton?

Over 60,000 feet

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What type of engine does the Triton have? How many pounds of thrust is it rated for?

Rolls Royce AE3007H high bypass axial flow turbofan engine

8,500 pounds of thrust

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What do ice detector probes use to accomplish their job?

Electric heat to prevent ice and the air data probes provide airspeed attitude and de-ice.

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How long does fueling take?

45 minutes

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How many stages is the low pressure turbine (LPT)? What does it do?

3 stages

Converts energy from the gas flow to power the fan rotor via the inner spool.

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How many transit cases are in the FOB?

97 cases

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How many ignition systems are there and how do they operate?

2 ignition systems that operate independently and are controlled by the FADEC.

Ignition is accomplished through the permanent magnetic alternator (PMA) and dual redundant ignitor/leads/exciters.

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What does the fuel distribution system provide?

Continuous supply of fuel to the engine and environmental control system (ECS) and servo system operation.

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What does the fuel distribution system do?

Supplies fuel to the engine for combustion and servo system operations

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How many hazard areas are within the safety diamond?

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How much does the Triton weigh?

32,250 pounds

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How many equipment racks are there in the MOB? How many groups are they organized in?

20 racks

5 groups

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How many gallons are in the entire hyd system? What is the operating pressure?

4.75 gallons of MIL-PRF-87257

Operates at 3,000 PSIG

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When is air used to pressurize fuel tanks?

Above 46,000 feet

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What do the wheels consist of?

Two half wheel assemblies held together by 8 bolts, 8 nuts, and 16 washers.

Made from aluminum alloy.

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How far does the non-pressurized forward fuselage extend?

From stations 90 - 200.

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How many fire/flammable liquid leakage zones are there?

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What are the dimensions of the danger areas of the intake and exhaust?

Intake: 30 feet wide / 15 feet from nose Exhaust: 20 feet wide / 150 feet aft

What is the height to the top of the fin?

15 feet 5 inches

What do the IMMC's handle?

In-flight failures

What does the 8th stage bleed air provide pressure to? What does the 14th stage provide?

8th: Fuel tank, ECS for avionics compartments, EO/IR pressure differential 14th: Routes compressed air to the engine lip to prevent ice accumulation

What capability does the NLG have and what is its purpose?

Hike and de-hike, which changes the angle of attack. It eliminates the need for conventional wing flaps.

What navigation system sensors are required to maintain flight throughout airspace?

INS, GPS, AARS, and RAD ALT to provide inputs to the IMMC's.

How many exterior panels are there? What do they provide?

22 panels Provides EMI shielding

What other purpose does fuel serve as?

Cooling for forward and aft pressurized compartments for the avionics and hyd system.

What does the fan rotor consist of, and what does it do?

24 titanium blades and it compresses and directs inlet air to either the fan bypass vanes or the core fan vanes.

What are the components of the landing gear?

- Shock strut assembly - Tires - Wheel brake assembly - Retracting extending mechanism - Side strut

Pneumatic distribution components.

- Filter - Mounting Hardware - Hosing - Valves - Desiccant - Regulators

What antennas are located at the FOB?

- 1 CDL - 1 INMARSAT - 3 UHF LOS - 3 VHF/UHF LOS - 3 SATCOM

What kind of wheel speed transducer does the Triton have? What does it do?

Dual Channel Speed Sensor Used to calculate braking control algorithms

What is Instrument Landing System (ILS)?

It provides an approach path for exact alignment and descent of an aircraft on final approach to a runway.

How fast does the Triton fly?

165 knots

How many fuel tanks does the Triton have? WHere does the engine get its fuel from?

8 tanks Wing root tanks

What does the Accessory Drive Gearbox consist of?

- Hyd Pump - Tube and Scavenge Pump - Fuel Pump Metering Unit - Air Turbine Starter - Permanent Magnet Alternator - DC Generator

How many stages does the compressor have and what is its function?

14 stages...increases the pressure of the incoming air and sends it to the combustion chamber.

What directs the flow of air that bypasses the engine core to the other bypass duct? What percentage of total thrust does it make for the engine?

78 fixed bypass vanes Makes around 83% of the total thrust

How many stages is the high power turbine (HPT) and what does it do?

2 stages It changes the energy of the hot gases into mechanical energy.

What is the purpose of VOR? (Very High Frequency Onmi-Directional Range)

Operates between 108 MHz - 117.95 MHz for approach and is based off of 360 degrees on a compass. Accuracy of +/- 1 degree

What does the ruddervator control?

Movements around the lateral and latitudinal axis (pitch) (yaw)

What do the spoilers provide?

Reduced lift to aid in aerodynamic braking

What does the brake assembly consist of?

Three-pair multiple disk brake designed for interchangeable installation on either shock strut axle. Contains 4 electromechanical actuator assemblies, one for each wheel.

How many interior access panels are within the Triton?

11 access panels

What provides access to the Liquid Cooling System Polyalphaolefin servicing?

Underwing side access door

Where are the anti-collision lights located and when are they flashing?

Top, center, bottom, and wingtips of the aircraft. Should be flashing while the engines are running.

What does FADEC stand for and what does it do?

Full Authority Digital Electronic Controls Dual FADEC's provide sensor and control data to and from the IMMC Continuous Signal Comparer.

Fuel leaves the FPMU and enters the ____ ____ ____ ____ where it extracts heat from the engine oil.

Fuel Oil Heat Exchanger

Fuel is used as a medium of cooling air and ____ ____?

Electronic Equipment

In the forward and aft equipment compartment, air is used for pressurization at _____ feet and temperature control.

27,000

At what elevation is air used to pressurize the EO/IR turret for protection of moisture intrusion?

25,000 feet

A brief description of Pascal's Law?

Force is exerted equally in all directions.

What is used by ground maintenance personnel to pressurize the air vehicle?

Hydraulic test stand

What does the hydraulic test stand pressurize the air vehicle to?

3,000 psig at 15 GPM

Alternating current within the Triton operates at?

115 VAC

Direct current within the Triton operates at?

28 VDC

What is a push-pull type, overcurrent protection devices that are resettable?

Circuit Breakers

The DC generator supplies 28 VDC to what?

DC Generator Bus

What sends DC gen reset and DC gen commands to the generator relay and sends gen fault indications to the IMMC via the APDC?

DC Generator Control Unit

What single assembly consists of the hydraulic motor and AC generator?

10 kVA generator

3 ___ ___ batteries consist of cells, battery electronics, and charge field transistors.

Lithium-Ion

This unit is directly powered by the engine through the input shaft.

30 kVA generator

The IMMC is loaded with a mission plan that includes _____ and _____ plans?

- Navigation | - Communication

Which mission plan includes the primary approach and contingency routes comprised of destination way points?

- Navigation

The _____ _____ utilizes the various communication links between the air vehicle and ground segment for Command and Control and sensor data link.

- Communication Plan

What switch enables communication of command, control, status, and other information between several Weapons Replaceable Assemblies?

Avionics Ethernet Switch

The IMMC communicates with the air vehicle through the use of how many interfaces?

The Independent Position Determining Subsystem has how many components?