Pan Am Test Questions Flashcards
Length difference between C208A & B?
4 feet
Wingspan?
52’ 1”
Minimum wingtip turning radius?
65’ 4 7/8”
FS for Firewall?
100
Number of mooring points?
3
Nose wheel deflection w/o Brakes? With?
+/- 15 degrees, +/- 56 degrees
What happens if towing limit is exceeded?
Frangible stop will fracture
Engine truss to firewall has how many attachments?
5
What doors are on annunciator light?
Upper air stair/pax and upper cargo door
Speed limit for vent window?
175 kts
Where is the brake fluid reservoir?
Left Engine Compartment firewall
Max ramp weight
8785 lbs
Vmo?
175 KIAS
Va @ 8750 lbs?
148 KIAS
Vfe 10?
175 KIAS
Vfe 20
150 KIAS
Vfe 30
125 KIAS
What type of flaps are on the C208B?
Single slot driven by an electrical motor
What are the cautions when operating the standby flap motor?
Standby motor does not have limit switches; linkage can be damaged by operating past limits.
What is the function of the wing spoilers?
To improve lateral (roll) control of the aircraft at low speeds by disrupting lift over the appropriate flap.
If the aileron is in the neutral position, what is the condition of the spoiler?
The spoiler closes.
What does each of the 3 color lenses on the annunciator mean?
Red: Hazardous conditions requiring immediate attention
Amber: Cautionary condition
Green: Normal/safe condition.
How many landing lights are installed on the Caravan and where are they located?
2 landing lights, 1 on each wing’s outboard leading edge.
What light provides illumination of the area outside of the airplane adjacent to the crew entry door?
Courtesy light
To which electrical bus is the courtesy light connected?
Battery bus
What happens when the nose gear turning limits have been exceeded?
A frangible stop located in the nose area will be broken off and will be hanging down attached to a cable.
Cabin ventilating air enters the aircraft through:
Air inlets on each side of the forward fuselage and air inlets on each wing at the upper ends of the wing struts
What is the performance data based on and what is its purpose?
The chart data is based on actual flight tests and is presented so the pilot will know what to expect from the airplane under various conditions and to facilitate flight planning.
Who is ultimately responsible for ensuring that the airplane is loaded properly?
The Pilot in Command
Which component is used to indicate the actual flap position?
The white-tipped indicator
What are the most forward percent of MAC allowable and the most rearward?
Forward – 3.06% at 5500 gross and Aft – 40.33% at any weight
What is the stalling speed with no flaps selected?
63 KIAS
What is the stalling speed with full flaps?
50 KIAS
What will opening the pilot’s vent window do to the pressure in the cabin?
It will cause the pressure to decrease
What are the indications of impending brake failure?
Gradual decrease in braking action after brake application
Noisy or dragging brakes
Soft or spongy pedals
Excessive travel and weak braking action
What temperature in the battery will cause the “Battery Hot” light to illuminate? (NiCad only)
140-160 degrees Fahrenheit
What temperature in the battery will cause the “Battery Overheat” light to illuminate? (NiCad only)
Over 160 degrees
What is the voltage rating of either the NiCad battery or the lead acid battery?
24 volts
What is the minimum battery voltage for an external power start?
20 volts
What unit monitors and controls the electrical power system, sequencing system operation from starting the engine through generator operation?
Generator Control Unit (GCU)
What is the maximum operating amperage of the standby alternator?
75 amps
The generator supplies how many volts and amps to the electrical system?
28 volts DC and 200 amps
What are the starter limits for a battery start?
30 sec on – 60 sec off
30 sec on – 60 sec off
30 sec on – 30 min off
What are the starter limits for an external power start?
20 sec on – 120 secs off
20 sec on – 120 secs off
20 sec on – 60 min off
Why are the external power starting cycle limits different from the battery starting cycle limits?
Because of the higher amperage available from the external power unit.
To which bus is power available anytime the battery is connected
The battery bus
What items are connected to the battery bus?
Hourmeter, Clock, Avionics Frequency Memory, Courtesy Lights, GCU Anti-cycle Circuit, Ground Power Monitor Low voltage Circuit, Cabin Lights, and the Standby Alternator Excitation Circuit
At what percent Ng does the start mode terminate?
46%
What is the function of the external power monitor?
For over-voltage and polarity sensing of the external power unit and sensing of the bus voltage to illuminate the “voltage low” light when bus voltage drops below 24.5 volts
What conditions must exist for the standby-alternator to come on line?
The generator voltage must drop below 27.5 volts.
What will cause the ignition system to be on when it is in the NORMAL position?
Placing the starter in the ON position
In what position is the External Power Switch placed to check the voltage provided by the Ground Power Unit?
The BUS position
In what position is the External Power Switch placed to check the voltage provided by the Ground Power Unit?
The BUS position
In what position is the External Power Switch placed to start the aircraft?
The STARTER position
When the Volt/Ammeter selector is placed in the VOLT position, what is represented on the Volt/Ammeter?
the voltage of the system that is supplying power to the power distribution bus at that time.
Name the electrical buses in the 208B
2 general buses, 2 avionics buses, 1 battery bus
What senses external power voltage and polarity?
The Ground Power Monitor
What will connect the two avionics buses together in the event of either bus feeder circuit failure or the failure of the avionics switch 1 or 2?
The Avionics Bus Tie Switch
The “fuel pressure low” annunciator light illuminates when the fuel in the reservoir manifold is below ________?
4.75 psi
When will the “reservoir fuel low” light illuminate?
When the reservoir tank is less than 1/2 full – approximately 2 gallons
The “left fuel low” or the “right fuel low” light will illuminate when the respective tank has _______?
25 gallons or less
What is the maximum allowable fuel imbalance in flight?
200 pounds
What is the total usable fuel quantity of the CE208B?
332 US gallons/2224.4 pounds
When positioned in the NORM position, when will the auxiliary boost pump operate?
When the fuel pressure in the fuel reservoir manifold assembly drops below 4.75 psi
How often should the EPA fuel can be drained?
Once a day or at an interval not to exceed six engine shutdowns
How many fuel quantity transmitters are there?
4 in each wing
How many fuel nozzles are there?
14 nozzles (10 primary – 4 secondary)
At what quantity will the Left or Right Fuel low annunciator light illuminate?
at 25 gallons or less in the respective tank (approximately 20 minutes per side)
What fuel tank (sic) can be used for emergency operations?
Av-gas (limited to 150 hours in one overhaul period)
Where are the fuel vent outlets located?
At the trailing edge of the wing tips
What is the procedure if the fuel filter bypass flag has popped?
Notify Maintenance – a no-go item
Describe the three conditions that will activate the fuel warning horns
1) both selector valves closed with Battery switch on – FUEL SELECT OFF light & 1 horn
2) One selector valve closed with Starter switch on – FUEL SELECT OFF lights & 2 horns
3) One selector valve off and fuel in “on” tank is less than 25 gallons – FUEL SELECT OFF light and FUEL LOW light & 1 horn
When will the RESERVOIR FUEL LOW light illuminate?
When the fuel in the reservoir is less than 1/2 full
After the RESERVOIR FUEL LOW light illuminates, how long can the airplane continue at maximum continuous power?
Approximately 1 1/2 minutes
What is the procedure if the FUEL PRESS LOW light comes on in flight?
AUX FUEL PUMP – ON
Where is the fuel filter located?
On the left front side of the firewall
What is the significance of the red poppet on the fuel filter?
When the red poppet valve extends upward, it indicates that the fuel filter is being bypassed
Where is the Firewall Fuel Shutoff Valve located and what is its purpose?
It is located on the right side of the pedestal and enables the pilot to shut off all fuel flow from the fuel reservoir to the engine
Where are the fuel tank vents and what will happen of they become stopped up?
At the trailing edge of each wing tip – the fuel flow will decrease with eventual engine stoppage
The fuel aural warning system is powered through which circuit breakers?
the START CONT and the FUEL SEL WARN
Name two fuel pumps in the fuel reservoir.
The ejector boost pump and the auxiliary fuel pump
How many fuel drains are there on the Caravan 208B and where are they positioned
2 inboard and 1 outboard drain on each wing, 1 reservoir drain, & 1 drain for the fuel filter
What is the prop de-ice ammeter reading during normal operation?
20-24 amps
What could be indications that the prop de-ice system is not functioning properly?
Ammeter indications of 7 or 14 amps; slight vibration from engine due to uneven accumulations
At what OAT must the PITOT/STATIC heat system be turned on?
4 deg C or less
When must the de-ice light be operational to fly into known icing conditions?
At night
What is the maximum weight for flight into known icing conditions?
8550 lb with cargo pod; 8750 lb without cargo pod
What indications do you have when the windshield de-ice is operating?
Green annunciator light
Describe the difference in operation between AUTO and Manual positions for the de-ice boots
Auto – one 18 second cycle consisting of 3 segments (1) Tail Boots, (2) inner wing boots, landing gear & cargo boots (3) outer wing boots and wing struts
De-ice boots light comes on-off-on-off-on-off
Manual – all boots inflate simultaneously – de-ice boot light turns on and then off
What is the cycle time for the prop de-ice when in the auto position?
90 seconds on – 90 seconds off
What is the minimum speed in icing conditions with flaps up?
120 KIAS (110 KIAS if climbing to exit icing conditions)
What is the procedure if the de-ice boots remain inflated?
Pull the de-ice boot circuit breaker
In a performance critical situation, what is the Maximum Continuous Power allowable?
1900 RPM, 1865 Ft. lbs torque, 805 degrees C ITT, 101.6% Ng
How can maximum defrosting be accomplished?
By pulling out the defrost control and pushing in the aft/forward cabin control
If more cabin heat is needed during ground operations, what can be done?
Move the fuel condition to HIGH IDLE and move the MIXING AIR control to GRD
When should the CABIN HEAT FIREWALL SHUTOFF control be pulled out?
If a fire is suspected in the engine compartment
At what PSI does the DE-ICE PRESSURE light illuminate?
Approximately 15 psi
What are the maximum torque, ITT and RPM for takeoff?
1865, 805, 1900
What is the maximum ITT for starting and duration at that temperature?
1090 for 2 seconds
How many stages of compression are there and what type?
3 axial, 1 centrifugal
How many turbine sections are there?
Two, the compressor turbine drives the compressor section and the power turbine drives the propeller
Why is the propeller feathered prior to engine shutdown?
Because propeller lubrication is not available after shutdown
What is the normal fuel flow on start?
80-110 pph
What is the engine oil capacity?
14 quarts
What is the minimum oil temp for starting?
-40C
The starter energized annunciator should extinguish when the Ng reaches
46%
Where are the chip detectors found?
In the reduction gearbox and the accessory gearbox
What component in the engine compartment determines a fire condition?
Heat detection loop
How many sections are there in the heat detection loop?
3
How is an engine fire detected?
Through a heat sensitive fire loop in the engine compartment
What are the two engine indicators of an engine fire?
ENGINE FIRE light and warning horn
Describe the Pratt & Whitney PTA1-114A engine
A free turbine, reverse flow engine with 675hp
How is the fuel-air mixture in the combustion chamber ignited?
By two spark igniters that protrude into the combustion chamber
What is the speed of the compressor turbine?
37,500 RPM at 100% Ng. Maximum permissible speed 38,100 at 101.6% Ng
What is the speed of the power turbine?
33,000 RPM at a propeller speed of 1900 RPM
What is the capacity of the engine oil tank?
9.5 quarts
What is the oil capacity of the total system?
14 quarts
Name the four engine controls
Power lever, emergency power lever, propeller control lever, and fuel condition lever
What are the indications when there is a pneumatic malfunction in the fuel control unit?
The engine will go to minimum idle (about 48% Ng at sea level); ITT will be 500-600C
Why is the propeller feather position used during normal shutdown?
To stop the rotation of the power turbine and front section of the engine since lubrication is not available after the gas generator has shut down and to minimize propeller windmilling during windy conditions
What is the Ng at low idle?
52%
What is the Ng at high idle?
65%
The ITT displays the gas temperature at what location?
Between the compressor and the power turbines
How is sensing obtained by the oil pressure and the temperature gauge?
Pressure is from a direct pressure oil line in the engine; temperature is from an electrical resistance type temperature sensor
What is the cautionary (yellow) range on the oil pressure gauge?
40-85 psi
What is the normal range on the oil pressure gauge?
85-105 psi
What is the capacity of the oxygen cylinder in the cargo aircraft?
50.67 cubic feet
What is the capacity of the oxygen cylinder on the passenger version?
116.9 cubic feet
How many annunciator lights are illuminated when the battery switch is turned on?
5 - VACUUM LOW, OIL PRESSURE LOW, GENERATOR OFF, FUEL PRESSURE LOW, STBY ELECTRICAL POWER INOP
What conditions are necessary to have the STARTER ENERGIZED light illuminated?
Starter switch ON and less than 46% Ng, or starter switch in MOTOR
What is the best angle of climb speed?
72 KIAS sea level to 20,000 ft
What is the best rate of climb speed?
104 KIAS sea level to 10,000 ft and 87 KIAS at 20,000 ft
What is the maximum performance climb speed?
104 KIAS up to 10,000 ft, decreasing to 87 KIAS at 20,000 ft
What is the best glide speed at gross weight with no flaps?
95 KIAS with cargo pod; 97 KIAS without cargo pod
Under what conditions can an exit be made through the cargo door? (Cargo version only)
None. The inside of the upper door has no handle.
What is the purpose of the 3 cargo nets located outboard on top of the cargo barrier.
To provide the pilot with a means of viewing the cargo and to protect the pilot from shifting cargo
What is the maximum takeoff weight for the CE208B.
8750 lbs
What is the minimum voltage for a battery start?
24V
Most aircraft accidents are due to
Loss of situation awareness
