MCALMS Tidbits Flashcards
Ground evacuation ring
one long sustained ring
Bailout rings
- prepare to abandon aircraft
- bailout
- three short rings
2. one long sustained ring
Ditching or crash landing rings
- Ditching or crash landing imminent
- Brace for impact
- six short rings
2. one long sustained ring
Seven basic CRM coordination skills
Decisiveness Assertiveness Mission Analysis Communication Leadership Adaptability/Flexibility Situation Awareness
Definition of hazard
Any real or potential condition that can cause injury, illness, or death to personnel; damage to or loss of equipment or property; degradation of mission capability or impact to mission accomplishment; or damage to the environment.
Definition of mishap
An unplanned event or series of events resulting in death, injury, occupational illness; damage to or loss of equipment or property; or damage to the environment.
Definition of risk
An expression of possible loss, adverse outcome or negative consequence; such as injury, illness in terms of probability and severity.
Two focuses of Risk Management
Identify risk
Mitigate risk
Four principles of Risk Management
- Accept risk when benefits outweigh the cost
- Accept no unnecessary risk
- Anticipate and manage risk by planning
- Make risk decisions at the right level
Five-step Risk Management Process (I AM IS)
- Identify hazards
- Assess hazards
- Make risk decisions
- Implement controls
- Supervise
Six-phase Decision Making process (BAMCIS)
- Begin the planning
- Arrange for reconnaissance
- Make reconnaissance
- Complete the planning
- Issue the order
- Supervise
3 levels of the risk management process
- Time-critical
- Deliberate
- In-Depth
How many flaps? What type?
4 Flaps–each wing contains an outboard and inboard flap
Fowler high-lift type–combination of aft movement to increase wing area and a downward tilting movement to alter the airfoil section to increase lift and drag
How many flap drive screws are there and 90-degree gearboxes?
8 jackscrews 2 per flap
8 90-degree gearbox
Where is the solenoid-operated wing flap selector valve located?
It is located on the utility hydraulic panel, forward of the left wheelwell.
How long does it take the flaps to fully extend?
8 - 15 seconds
Where is the solenoid-operated landing gear selector valve located?
It is located on the utility hydraulic panel, forward of the left wheelwell
Where is the MLG hydraulic motor located?
Installed internally, forward, and above the main landing gear wheelwell
Components of the MLG
Four 90-degree gearboxes direct rotation from the manual drive gearbox to the torque shafts. Each 90 degree gearbox is connected to a ball screw by a vertical torque shaft. Ball screws raise and lower the MLG in vertical tracks. One ball screw is attached to each MLG shock strut in the landing gear wheelwell.
What do friction washers do for the MLG?
Serve as downlocks and prevent the MLG from retracting.
What is the FMC and where is it located?
The dual channel fuel management controller monitors and controls the basic aircraft fuel system. The FMC is located on the cargo compartment aft overhead equipment rack.
APU operating altitude
-1,000 to 20,000 ft
The APU fuel is gravity fed from the #_ tank if fuel quantity is greater than ____ lbs
2 tank
2000 lbs
EXTPWR/APU switch 3 settings and what do they do?
EXTPWR: supplies external ac power to the LH/RH ac bus, ESS ac bus and MAIN ac bus which in turn powers the avionics buses and all four TR
OFF: disconnects APU and EXT PWR from the A/C is the reset position for APU generator
APU: connects the APU generator to the ESS ac bus. If the APU is the only source of power it will power the MAIN and ESS ac buses
APU bleed air pressure
40 - 50 psi
Bleed air pressure check, 30-15 psi
Not less than 22 seconds
APU starter duty cycle
1 minute ON, 4 minutes OFF
When APU is operated in flight what does it supply?
It will only supply electrical power
What does the PGB do and where is it located?
The propeller gearbox transmits shaft power from the torquemeter, reduces shaft rpm to run the propeller, and provides shaft power to the gearbox mounted accessory drive (GMAD). The PGB is located to the rear of the propeller and forward of the torquemeter.
The gearbox mounted accessory drive provides drive pads for?
Oil-cooled ac generator Hydraulic pump PGB oil supply and scavenge pump Propeller pitch control unit (PCU) Propeller high pressure oil pump and overspeed governor
What does the torquemeter do?
Transmits engine output power to the PGB and supplies torque reference to the FADEC
Power section features?
A variable flow fourteen-stage compressor, a two-stage gas generator turbine, and a two-stage free power turbine
The power section accessory gearbox provides drive pads for?
FPMU
PMA
Oil pressure and scavenge pumps
Air turbine starter
Primary purpose of the engine
Supplies power to the propeller
The engine fuel system consists of:
FPMU-fuel pump metering unit CVG-compressor variable geometry hydraulic actuator Fuel cooled oil cooler (FCOC) Fuel flow sensor Fuel nozzles
The engine oil system provides ________ and ______ for the engine, engine components, propeller gearbox, and for propeller speed governing during all modes of operation including zero gravity and negative gravity maneuvers.
Lubrication and cooling
Components of the engine oil system
FCOC Oil tank Oil tank shutoff valve Air oil separator Pumps Filters Air oil cooler Oil cooler augmentation system
What is MGT?
The measure of engine temperature.
Represents the temperature of the gases at the third stage power turbine vanes.
What is NG?
The measure of core engine speed.
Represents the percentage of maximum rated operating speed for the gas generator.
What is NP?
Indicates the percentage of maximum rated operating speed for the propeller and power turbine.
What is FF?
Indicates the rate the fuel, in pounds per hour, feeds into the engine.
What is G PSI?
Indicates the propeller gearbox supply oil pressure in psi.
What is E PSI?
Indicates the pressure, in psi, of the supply oil in the gas generator and power turbine section of the engine.
What is TEMP?
Indicates the temperature, in degrees Celsius, of the oil supplied to the engine.
What is QTY?
Indicates the total gallons of oil in each main oil tank.
Minimum bleed air pressure for sustaining a start?
22 psi
A momentary drop below 22 psi when the starter valve opens is acceptable.
Automation sequence of engine starts
- ENG START switch to run
- Starter light illuminates
- Ignition is energized, fuel flow starts and NG stabilizes at approx. 20-25 secs
- Starter cutout occurs, starter light extinguishes, and ignition terminates
- NP on speed time is approx. 30 seconds
- Normal hyd pressure is indicated within 30 seconds after NP is on speed
Engine Start Stop Conditions
- No indication of oil px within 15 seconds of NG
- No indication of prop gearbox oil px within 15 seconds of NP
- No NG is present 10 seconds after placing ENG Start switch to start
- Torching (visible fire in the tailpipe for more than a few seconds), sparks in the exhaust, or excessive smoke
How many fuel nozzles are there?
16
How many igniters are there?
2
NG at low speed ground idle
71 to 75 % NG
The propeller system is comprised of?
Propeller blades Hub assembly Pitch actuator Pitch control unit (PCU) Subassemblies High pressure pump Overspeed governer (OSG) Auxiliary feather pump Magnetic pulse unit (MPU)
X-wind takeoff
plus or minus 45 degrees (wind is from 045 degrees to 315 degrees), and if the wind is greater than 15 but less than 35 knots, then the limitation is 2,500 HP until 35 knots
Bleed air system components:
Cross-ship manifold Bleed air ducts Bleed air compensators Bleed air valves Mix-muff assemblies Pressure transducers Temperature sensors Bleed air/environmental control system (BA/ECS) controller
What is the function of the BA/ECS controller?
Regulates bleed air temperature and pressure
The components of the Electrical Power Distribution System?
self-generated primary ac
self-generated primary dc
external power
How many electronic circuit breaker units are there?
14
Each unit contains 24 dc and 15 ac ECBs per unit
The ac power system is comprised of?
6 ac buses
4 ac inverters
How many batteries, what are they?
Utility and avionics battery
AV battery supplies power to the avionics battery bus and to the avionics dc bus
UTIL battery supplies power to the utility battery bus and to the isolated dc bus.
24Vdc, 35 ampere hours
Identical and interchangeable
Three hydraulic systems
Utility
Booster
Auxiliary
What does the utility system power?
wing flaps main landing gear nose landing gear normal brakes nosewheel steering aerial refueling reels half flight controls
Booster system powers?
half flight controls
Auxiliary hyd system
Powers cargo door and ramp
emergency brakes
emergency nose landing gear extension
Major components of the utility and booster hydraulic systems
Hydraulic reservoirs Suction boost pumps Engine-driven hydraulic pumps Shutoff valves Check valves Pressure relief valves Filters Accumulators Utility-ground test valve
Utility hyd reservoir capacity and location
5.5 gallons
forward of the left main landing gear wheelwell
Booster hyd reservoir capacity and location
3.1 gallons of fluid and is located forward of the right main landing gear wheelwell
How many hydraulic filters are in the utility and booster system?
4 hydraulic filters
1 system return filter
1 engine pump case drain filter
2 high pressure engine filters
Auxiliary hydraulic system components
Hydraulic reservoir Hydraulic pump Handpump Two filters Two check valves Ground test valve
Aux hyd reservoir capacity and location
5.3 gallons
Aft of the left paratroop door
Where is the aileron booster assembly located?
The booster assembly is mounted in the center of the fuselage in the center wing area
How many aileron trim tabs are there and which one is controllable?
The left trim tab is moved by an electrical actuator–mounted inside the aileron.
Right is fixed in place and only adjustable on the ground.
The rudder booster assembly does what and where is it located?
Provides hydraulic pressure to operate the rudder and is mounted above the aft cargo door on the right side of the cargo compartment.
The elevator booster assembly is located where?
The booster assembly is mounted on the centerline of the aircraft above the aft cargo door.
Components of the avionics cooling system
2 underfloor fans
2 overhead control panel fans
and the BA/ECS ECU
Which cabin pressurization system component is mounted in the aft left side of the cargo door?
Safety valve
How many flight station windows are heated?
Eight flight station windows
When do icing conditions exist?
May exist when the SAT is 10 degrees C or less and there is visible moisture is present in any form (e.g., clouds, fog with visibility of 1 mile or less, rain, snow, sleet, or ice crystals).
Anti-icing mode is intended for use during when?
During approach and landing in icing conditions.
How many engines need to be high-speed for the icing test?
The test requires at least three engines (preferably four engines) supplying bleed air in HSGI. However, if the test passes with one or more engines in LSGI, the system is safe for flight in icing conditions.
Airspeed during flight operations with inop windshield anti-icing below 10,000 feet
187 KIAS