airframes Flashcards
WHAT ARE THE PURPOSES OF EMERGENCY RECLAMATION?
PREVENT FURTHER DAMAGE TO AIRCRAFT AND SALVAGE
SALVAGABLE ITEMS BY PRIORITY
4 SUBSYSTEMS OF MAIN ROTOR SYSTEM:
- MAIN ROTOR BLADES
- MAIN ROTOR HEAD/HUB ASSEMBLY
- FLIGHT CONTROLS
- BIFILAR VIBRATION ABSORBER
HOW DOES A BIM WORK?
IF THE BLADE IS DAMAGED OR SPAR IS IMPAIRED,
NITROGEN WILL ESCAPE AND CAUSE THE BIM TO SHOW 3
BLACK BANDS.
WHAT SUPPORTS THE MAIN ROTOR HEAD?
MAIN ROTOR SHAFT EXTENSION
WHAT DOES THE SWASHPLATE DO?
TRANSMITS FLIGHT CONTROL MOVEMENTS TO THE MAIN
ROTOR THROUGH 4 PITCH CONTROL RODS
purpose of bifilars
ABSORBS VIBRATION FROM ANYTHING ON THE HEAD
HOW MANY DEGREES IS the tail rotor CANTED UPWARD (ANGLE)?
20 degrees
total lifting force of tail rotor?
2.5 percent
WHAT DOES THE MAIN/TAIL LANDING GEAR CONSIST OF?
- 2 SINGLE WHEELS
- MAIN LANDING GEARS
- DUAL-WHEEL SWIVEL TYPE TAIL GEAR
WHAT ARE THE 2 TAIL GEAR WHEELS MOUNTED ON?
SHIMMY DAMPER ( CAUSES BOTH OF THE TAIL GEAR WHEELS TO ROTATE AT THE SAME TIME)
WHAT DOES THE RAST SYSTEM CONSIST OF?
CONTROL PANEL
- MAIN PROBE ASSEMBLY
- TAIL PROBE ASSEMBLY
HOW ARE ACCESS AND INSPECTION OPENINGS IDENTIFIED?
3 DIGIT NUMBER (2.1.9)
- FIRST NUMBER = WORK AREA
- SECOND NUMBER = THE SIDE
- THIRD NUMBER = PANEL NUMBER
HOW MUCH HORSEPOWER DOES THE ENGINE HAVE?
1,800 SHAFT HORSEPOWER
WHAT ARE THE 4 MODULES THAT MAKE UP THE ENGINE?
- COLD SECTION
- HOT SECTION
- POWER TURBINE
- ACCESSORY SECTION
WHAT ARE THE 5 SECTIONS OF THE ENGINE?
- INLET (COLD)
- COMPRESSOR (COLD)
- COMBUSTION (HOT)
- GAS GENERATOR TURBINE (POWER TURBINE)
- EXHAUST
WHAT DOES THE APU DO?
- PNEUMATIC POWER FOR ENGINE TO START
- BLEED AIR TO ECS
- ELECTRICAL POWER FOR AIRCRAFT
WHAT IS THE APU’S FUEL CONSUMPTION RATE?
150 POUNDS PER HOUR
TWO TYPES OF APU’S:
- TURBOMACH
2. GARRETT
WHAT IS THE FUEL TANKS CONSIST OF?
THE MAIN TANK SYSTEM IS COMPOSED OF 2 CELLS
INTERCONNECTED TO FORM ONE TANK.
WAYS FOR PNEUMATIC SOURCES FOR ENGINE
START:
- EXTERNAL GROUND SOURCE
- APU
- ENGINE CROSS BLEED
THE H-60 POWERTRAIN CONSISTS OF 5 MAIN COMPONENTS:
- MGB
- TAIL ROTOR DRIVE SHAFT
- OIL COOLER
- INTERMEDIATE GEARBOX (IGB)
- TAIL GEARBOX (TGB)
WHAT DOES THE MAIN TRANSMISSION SUPPORT
THE MAIN GEAR BOX (MGB) DRIVES AND SUPPORTS
THE MAIN ROTOR.
PURPOSE OF IGB
CHANGES ANGLE OF DRIVE
WHAT IS ISNTALLED IN EACH GEARBOX?
CHIP DETECTORS
THYDRAULICs manual
01-1A-17
WHAT SHOULD YOU DO BEFORE APPLYING HYDRAULIC POWER?
all clearn of flight controls
WHAT IS THE PRESSURE UTILIZED IN MOST MILITARY HIGH PERFORMANCE AIRCRAFTS(hyds)?
3,000 psi
UTILITY PUMP IS USED
rescue operations
WHAT PRESSURE DOES THE PRIORITY VALVE OPEN AT?
2500 psi
WHAT DOES A PRIORITY VALVE DO?
IF PRESSURE DROPS BELOW 2,500 PSI, THE VALVE WILL
SEND FLUID TO IMPORTANT PLACES TO SAVE
electrical safety
-TREAT ALL ELECTRICAL DEVICES AS IF THEY ARE LIVE OR
ENERGIZED.
- DISCONNECT THE POWER SOURCE BEFORE BEFORE SERVICING
OR REPAIRING ELECTRICAL EQUIPMENT.
CURRENT (I)
A DIRECTED MOVEMENT OF ELECTRONS FROM
POSITIVE TO NEGATIVE.
VOLTAGE(E OR V)
DIFFERENCE OF POTENTIAL OF 2 CHARGES OF
INTEREST.
RESISTANCE ( R)
THE OPPOSITION OF CURRENT.
HERTZ (Hz)
MEASUREMENT OF CYCLES IN A GIVEN PERIOD OF
TIME (FREQUENCY)
AC - ALTERNATING CURRENT
CHANGES IN AMPLITUDE, & REVERSES DIRECTION AT REGULAR
INTERVALS.
DIRECT CURRENT
FLOWS ONLY IN ONE DIRECTION.
WHAT DOES THE BATTERY CONDITIONER ANALYZE?
MONITORS BATTERY VOLTAGE, TEMP & CONTAINS A CIRCUIT
FOR BATTERY CHARGING.
PURPOSE OF BACKUP ATTITUDE INDICATOR
INDICATES PITCH AND ROLL
BARALT (BAROMETRIC ALTIMETER) ENCODER:
VISUAL INDICATIONS OF PRESSURE
ALTITUDE
AIRSPEED INDICATOR
- IS A DIFFERENTIAL PRESSURE INSTRUMENT
- RANGE MARKINGS ARE 0-250 KNOTS, MARKED IN 5-KNOT UNITS
WHAT DOES THE PITOT STATIC SYSTEM CONSIS OF?
- IS A DIFFERENTIAL PRESSURE INSTRUMENT
- RANGE MARKINGS ARE 0-250 KNOTS, MARKED IN 5-KNOT UNITS
FD
FLIGHT DISPLAYS
ISD
INTEGRATED SELF-DEFENSE
PDU
PILOT DISPLAY UNIT
ADI
ATTITUDE DIRECTION INDICATOR
RADAR ALTIMETER (RADALT
SHOOTS RADAR DOWN TO WHAT’S BENEATH YOU TO TELL
HOW HIGH UP YOU ARE FROM IT.
HSI
HORIZONTAL SITUATION INDICATOR
WHAT IS ON THE FLIGHT DISPLAY
RADALT, TURN RATE, AIR DATA
MD
MISSION DISPLAY
IFF
IDENTIFICATION FRIEND OR FOE
RF
RADIO FREQUENCY
LRD
LASER RANGE/FINDER DESIGNATOR
LTM
LASER TARGET MARKER
ELRF
EYESAFE LASER RANGEFINDER
EGI
Global Positioning System
TACTICAL AIR NAVIGATION SYSTEM (TACAN)
- SHOWN ON FLIGHT DISPLAYS
- STATIONS ALL OVER THE GLOBE
DFG
DIRECTION FINDER GROUP
OTPI
ON-TOP POSITION INDICATOR
AFCS
AUTOMATIC FLIGHT CONTROL SYSTEM
MFR
MULTIFUNCTION RADIOS
WHAT IS THE RADAR RANGE MILE?
12.36 MICROSECONDS
WHAT IS DOES RADAR STAND FOR
RADIO DETECTION AND RANGING
CMDS
COUNTERMEASURES DISPENSING SYSTEM
MWS
MISSILE WARNING SYSTEM
FLARES
USED TO AGAINST HEAT SENSING MISSILES
CHAFF
USED AGAINST SMART MISSILES
ALFS
AIRBORNE LOW FREQUENCY SONAR
BURN TIME FOR MK 79
4.5
BURN TIME FOR MK 25
10-20 MINS
BURN TIME FOR MK 58
40-60 MINS
HOW MUCH DO TORPEDOES WEIGH
536 TO 551 POUNDS
The Air Data computer supplies what 4 things to the avionic system?
- Airspeed,
- Altitude,
- Vertical acceleration, and
- Outside temperature