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114 Cards in this Set
- Front
- Back
- 3rd side (hint)
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How much useable fuel can we carry?
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384 Gallons / 2573 Pounds
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Are the fuel vents heated?
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Yes--1 vent under each wing is heated.
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How many fuel cells are there?
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22 interconnected cells
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What is the route of the fuel from the tank to the sump?
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TANK - CENTER FUEL SUMP - ELEC. BOOST PUMP - OIL/FUEL HEAT EXCHANGER - FUEL SHUT OFF VALVES - ENGINE
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What system prevents the fuel from freezing?
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The Fuel to Oil Heat Exchanger.
It provides protection as long as oil temp > 55 degrees C |
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What happens to fuel in the lines at engine shutdown?
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It is pneumatically purged from the EPA can. A valve opens when the start switch is turned to "ENGINE OFF".
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What is necessary to get a complete fuel purge upon shutdown?
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95% RPM and Condition Levers at HIGH IDLE.
There will be a momentary 5% RPM surge at shutdown. |
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What items are located at the fuel sump?
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1. DRAIN VALVE
2. BOOST PUMP (2) 3. SHUT-OFF VALVES (2) 4. QUANTITY MEASURING PROBE 6 ITEMS TOTAL |
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How many fuel drains are on the aircraft?
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6
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Where are the fuel drains?
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1. FUEL SUMP
2. INBOARD LOWER WING (2) 3. OUTBOARD LOWER WING (2) 4. FCU (ENGINE DRAIN MANIFOLD LINE) |
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WHAT KEEPS THE FUEL TANKS FROM COLLAPSING AS THE FUEL IS BURNED?
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HEATED VENT LINES AND ANTI SIPHON CAPS
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Do we have a low level fuel warning system?
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Yes
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When does the LOW FUEL light come on?
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288 Pounds / 43 gallons
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What are the limitations regarding 100LL?
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Max 250 gals. per 100 hours of engine operations.
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What is the minimum fuel flow on start?
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15 PSI
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Why are the fuel tanks slightly pressurized?
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To prevent suction.
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How many hydraulic pumps are on the 690B?
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3
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How many engine driven hydraulic pumps are there?
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2
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Is there a back-up hydraulic pump?
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Yes. There is an electrically driven auxilliary hydraulic pump.
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What is normal system hydraulic pressure?
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900 - 1075 PSI
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What systems are hydraulically operated?
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GEAR
FLAPS STEERING BRAKES |
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In the event of engine driven pump failure, will the aux pump operate all systems?
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No. The aux hydraulic pump will only operate:
FLAPS STEERING BRAKES |
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What is the pressure of the aux hydraulic pump?
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470 - 605 PSI
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Does the aux hydraulic pump have a switch?
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No.
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How do you turn on the aux hydraulic pump?
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It comes on automatically when the system pressure drops below 470 PSI as long as there is electrical power to the aircraft.
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When does the aux pump turn off?
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605 PSI
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Where are the hydraulic pumps located?
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The accessory section of each engine.
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How is system pressure maintained?
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An ACCUMULATOR REGULATOR
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What is the purpose of the ACCUMULATOR REGULATOR?
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To maintain system pressure and absorb pressure pulsations caused by intermittent fluid flow from the pumps.
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Where are the hydraulic shut-off valves?
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The hydraulic shut-off valves are attached to the BOTTOM OF THE HYDRAULIC RESERVOIR.
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How much hydraulic fluid does the reservoir hold?
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3.2 Quarts.
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Is there a second fluid reservoir for the aux system?
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No.
1 Quart of fluid is maintained below a standpipe at the bottom of the reservoir. |
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What is MAX HYDRAULIC PRESSURE?
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1250 PSI at RED LINE
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How are the shut-off valves operated?
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DC Electric
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Should you check the hydraulic fluid with the flaps down?
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No.
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Where should the normal hydraulic fluid level be on the dipstick?
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Between the two holes.
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How do you know you are losing hydraulic fluid?
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The nosewheel will fall.
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What should you do if you notice the nosewheel is free falling?
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Suspect a loss of main hydraulic fluid:
1. PULL HYD PUMP CB 2. FLAP HANDLE NEUTRAL |
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If you lose hydraulic fluid in the main part of the reservoir, will the aux system operate the landing gear?
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No.
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In the event of hydraulic failure, how does the gear extend?
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Nosegear free falls.
Main gear uses trapped hydraulic pressure to unlock the gear and allow it to fall with the help of a Nitrogen charge. |
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How do the flaps work?
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Flaps are hydraulically actuated and mechanically operated.
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Describe the mechanical function of the flaps.
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An ACTUATING CYLINDER turns a SHEAVE to move PULLEYS which move CABLES.
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During a hydraulic fluid loss, why put the flap handle in neutral?
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To prevent droop.
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What type of fire protection is installed?
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4 THERMAL SWITCHES
WIRING INDICATOR LIGHTS for each engine |
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How many thermal sensors must be activated for the annunciator fire test?
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4
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How many switches must be activated to provide a fire warning?
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1
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Do all of the thermal switches need to be activated for a fire warning?
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No.
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Where are the fire detection thermal switches located?
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3 in COOLING AIRFLOW SECTION
1 in OIL COOLER |
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How many fire detection switches are in the oil cooler?
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1
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How many fire detection switches are the the cooling airflow section of the engine?
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3
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What is Vacuum used for?
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1. GYRO INSTRUMENTS
2. CABIN PRESSURIZATION 3. PNEUMATIC DEICE BOOT DEFLATION |
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What is normal vacuum system pressure?
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3.8 - 5.0"Hg
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Which instruments are operated by suction?
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The F/O ATTITUDE INDICATOR only.
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How is suction generated to deflate the boots and adhere them to the wings?
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ENGINE BLEED AIR passes through a VENTURI. A DISTRIBUTION VALVE sequences the inflation and deflation of the boot tubes.
It is controlled by a timer. |
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Do the prop boots operate with bleed air?
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No. The propeller boots are electrically heated.
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What items are electrically heated for ice prevention?
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WINDSHIELD
RUDDER HORN FUEL VENT/ PITOT ALTERNATE STATIC (f/o) STALL WARNING GEN INLET PROP |
LOOK AT ICE PROTECTION PANEL
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What is on the LEFT PITOT/FUEL VENT HEAT SWITCH?
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1. L PITOT TUBE
2. L FUEL VENT 3. HEATED STATIC PORT (F/O) |
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What is on the RIGHT PITOT/FUEL VENT HEAT SWITCH?
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1. R PITOT TUBE
2. R FUEL VENT 3. STALL VANE |
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What is normal bleed air pressure?
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Green arc (about 18PSI)
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May you continue operation of the bleed air system with pressure in the yellow arc?
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Yes, but replace the pressure regulator prior to subsequent flights.
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What if Regulated Pressure is in the lower red arc?
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Bleed air pressure is not adequate.
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What if Regulated Pressure is in the upper red arc?
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Pressure is excessive. DO NOT use boots if this is the case...
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What is the difference between 1 CYCLE and MANUAL boot operation?
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1 CYCLE uses a TIMER.
MANUAL BYPASSES TIMER. |
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How long can you hold the boot switch in MANUAL?
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10 seconds, max
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How long is one cycle boot inflation?
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6 seconds
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How long does it take the props to go through one heating cycle?
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Approximately 2 minutes
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What is normal amperage of the prop deice boot system?
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14 - 18 amps
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What is indicated if there is less than 14 - 18 amps when using prop deice?
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One or more of the blades is not getting heat.
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What indications will you notice when you turn on ENGINE INLET HEAT?
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< HP
> ITT |
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What is the proper procedure when using engine inlet heat?
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Turn IGNITION to OVERRIDE prior to using inlet heat, and turn INLET HEAT on ONE AT A TIME.
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What are some warning signs of tailplane icing?
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LIGHTENING OF CONTROLS
CONTROL BUFFET PULSE FWD STICK MOVEMENT PILOT INDUCED OSCILLATIONS |
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What are some causes of Tailplane icing?
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> SPEED
> FLAPS > POWER |
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How do you know ENGINE INLET anti ice is working?
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You should notice a drop in HP and a rise in ITT, and no ice formation...
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What is indicated when ENGINE INLET light is on?
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The valve is open
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What system provides engine inlet heat?
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P3 Bleed Air
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How is the cabin pressurized?
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Bleed Air is pumped into the pressure vessel.
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How is pressurization controlled?
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2 outflow valves are plumbed to a solenoid that ports to vacuum source for depressurized flight or the controller for normal pressurized operations.
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What is max diff?
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5.4 PSI. Relief starts at 5.2 +/- .1
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What is a good rule of thumb regarding pressurization and your descent?
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Set cabin rate of change to equal 1/2 of your descent rate.
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How is the landing gear operated?
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Hydraulically. A nitrogen charge supplements the extension of the main gear.
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How is the main gear held in the retracted position?
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Mechanical uplocks and trapped hydraulic fluid retained in the uplock cylinders hold the main gear in the up position.
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How is the nose gear held in the retracted position?
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HYDRAULIC PRESSURE
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How does the nose gear extend in the event of a system failure?
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It free falls and is locked in place by the NOSE GEAR BUNGEE SPRING.
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How are the main gear extended in the event of a hydraulic system failure?
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Placing the handle in the down position will release the fluid from the uplock cylinders and unlock the latches. Nitrogen charge with 425-525 PSI assists.
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Where is the Nitrogen storage bottle?
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In the baggage compartement
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Where is the hydraulic reservoir?
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In the left wheel well.
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Is there a gear warning system?
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Yes.
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When does the gear warning horn sound?
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When the gear is not down and locked, and the power levers are w/in 1 inch from flight idle.
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May the gear warning horn be silenced?
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Yes, as long as the flaps are in the up position.
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What is the main gear tire pressure?
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60 PSI
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What is the nose gear tire pressure?
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30 PSI
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To what pressure should the main gear struts be inflated?
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350 PSI (=/- 10)
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To what pressure should the nose gear strut be inflated?
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95 - 100 PSI
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How do you accomplish an emergency gear extension?
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Slow to 100 knots.
Place handle in DOWN position. Allow 3 minutes to lock in place. |
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Where is the switch for the red gear unsafe light?
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Nose--drag brace support box in wheel well
Mains--gear uplock assemblies |
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Where is the switch for the green gear safe lights?
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Nose--drag brace support box in wheel well
Mains--on the center hinge point of each drag brace |
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What is on the left main squat switch?
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Pressurization Release
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Does the nosewheel turn while retracted? Why?
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No. A bypass valve prevents this.
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What do the bungees do for the main gear?
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Engage the over center lock.
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Where is the Oxygen cylinder located?
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In the aft fuselage.
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How much Oxygen can the cylinder hold?
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22 cubic feet at 1800 PSI
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Where does the crew's Oxygen supply come from?
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The manual regulator.
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To what altitude must the Oxygen regulator be set?
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22,500 feet
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When is Oxygen mask set to normal position?
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Below 20,000 feet
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When is Oxygen mask set to 100%?
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Above 20,000 feet
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Should the aircraft be pressurized during takeoff and landing?
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No.
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In what position must the mode controller be in order for the cabin to pressurize?
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AUTO or MANUAL
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What does the MAX FLOW position do?
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Opens the third jet pump.
Provides: HIGHER CABIN PRESSURE MORE AIR MORE HEATING/COOLING |
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Should we land with Max Flow on?
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NO.
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What do the jet pumps do?
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Provide P3 air.
2 Primary 1 Aux |
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When turning on the mode controller what should you look for?
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A rise in electrical load.
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Why will you see a rise in electrical load when turning the mode controller on?
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Because the RAM AIR DUCT SWITCH should automatically turn on the GROUND BLOWER below 145 knots and on the ground.
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What if there is no rise in electrical load when turning on the mode controller?
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Suspect the ground blower is not operating and may overheat.
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What are the immediate steps following an engine failure?
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POWER, PROPS FULL FWD
FLAPS UP positive rate/ GEAR UP IDENTIFY (gauges) VERIFY (proper condition lever) FEATHER |
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