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Oral Exam Study
Cessna 172s Private Pilot Oral Exam Study Guide
61
Aviation
Not Applicable
09/30/2012

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Cards

Term
AIRPLANE
Definition
Cessna 172  SKYHAWK SP
Term
Wing Span
Definition
36'-1" with strobe lights installed
Term
ENGINE
Definition

Lycoming IO-360-L2A:

 

Normally aspirated

direct drive

air cooled

horizontally opposed

fuel injected

four cylindar engine with 360 cu. in. displacement

180 BHP at 2700 RPM

Term
PROPELLER
Definition

McCauley Propeller Systems

2 blade

76 inch diameter

fixed pitch

Term
FUEL TYPE
Definition

100LL Grade Aviation Fuel (blue)

 100 Grade Aviation Fuel (green)

 

Term
FUEL CAPACITY
Definition

Total capacity: 56 gallons

Total usable: 53 gallons

Total capacity each tank: 28 gallons

Toal usable each tank: 26.5 gallons

Term
SPEED
Definition

Maximum at sea level: 126 KNOTS

 

Cruise, 75% power at 8500 feet: 124 KNOTS

Term
RANGE
Definition

75% power at 8500 feet: 518 NM 

With 53 gallons 4.26 HRS

 

45% power at 10,000 feet: 638 NM

With 53 gallons 6.72 HRS

Term
RATE OF CLIMB AT SEA LEVEL
Definition
730 FPM
Term
SERVICE CEILING 
Definition
14,000 FEET
Term
TAKE OFF PERFORMANCE
Definition

Ground roll: 960 FEET

Total distance over 50 foot obstacle: 1630

Term
LANDING PERFORMANCE
Definition

Ground roll: 575 FEET

Total distance over a 50 foot obsticle: 1335

Term
STALL SPEED
Definition

Flaps up, power off: 53 KNOTS

Flaps down, power off: 48 KNOTS

Term
MAXIMUM WEIGHT
Definition

Ramp: Normal 2558 POUNDS

         Utility 2208 POUNDS

Takeoff: Normal 2550 POUNDS

           Utility 2200 POUNDS

Landing: Normal 2550 POUNDS

           Utility 2200 POUNDS

Term
STANDARD EMPTY WEIGHT
Definition
1663 POUNDS
Term
MAXIMUM USEFUL LOAD
Definition

Normal 895 POUNDS

Utility 545 POUNDS

Term
BAGGAGE ALLOWANCE
Definition
120 POUNDS
Term
WING LOADING
Definition
14.7 Lbs/sq. ft.
Term
POWER LOADING
Definition
14.2 Lbs/HP
Term
OIL CAPACITY
Definition
8 QUARTS
Term
KCAS
Definition
Knots Calibrated Airspeed- is indicated airspeed corrected for position and instrument error.
Term
KIAS
Definition
Knots Indicated Airspeed- Speed shown on airspeed indicator.
Term
KTAS
Definition
Knots True Airspeed- Airspeed expressed relative to undisturbed air which is KCAS corrected for altitude and temp.
Term
Va
Definition

Maneuvering Speed- Maximum speed at which full or abrupt contol movements may be used without overstressing the airplane. 

 

2550 POUNDS 105 KNOTS

2200 POUNDS 98 KNOTS

1900 POUNDS 90 KNOTS

Term
Vfe
Definition

Maximum Flap Extended Speed- Highest speed permissible with wing flaps in a prescribed exended position.

 

10 Degrees 110 KNOTS

20-30 Degrees 85 KNOTS

Term
Vno
Definition

Maximum Structural Cruising Speed- Speed which should not be exceeded except in smooth air, then only with caution.

 

129 KNOTS

Term
Vne
Definition

Never Exceed Speed- Speed limit that may not be exceeded at any time.

 

163 KNOTS

Term
Vs
Definition

Stalling speed- Minimum speed at which the airplane is controllable. 

 

(given in other cards)

Term
Vso
Definition

Stalling Speed- Minimum speed at which the airplane is controllable in landing configuration.

 

(given on other cards)

Term
Vx
Definition

Best angle of climb speed- Is the speed which results in the greatest gain of altitude in a givin horizontal distance.

 

(graph in POH)

Term
Vy
Definition

Best Rate of climb Speed- Is the speed which results in the greatest gain in altitude in a given time.

 

(graph in POH)

Term
OAT
Definition
Outside Air Temp.- Free air static temp.
Term
Standard Temp.
Definition
15 degrees celcius at sea level and decreased bt 2 degrees every 1000 feet of altitude.
Term
Pressure Altitude
Definition
The altitude read from an altimeter when the altimeter's barometric scale has been set to 29.92 inches of mercury.
Term
BHP
Definition
Brake Horsepower- Power developed by the engine.
Term
RPM
Definition
Revolutions Per Minute- Engine speed
Term
Static RPM
Definition
Engine speed during a full throttle run up when the airplane in on the ground and stationary.
Term
MAP
Definition
Manifold Absolute Pressure- Absoute pressure measured in the engine induction system. 
Term
Lean Mixture
Definition
Decreased proportion of fuel in the fuel air mixture.
Term
Rich Mixture 
Definition
Increased proportion of fuel in the fuel air mixture.
Term
Full Rich
Definition
Mixture control full foward 
Term
Idle Cutoff
Definition
Mixture control full aft
Term
Full Throttle 
Definition
Throttle full foward
Term
Closed Throttle 
Definition
Throttle full aft
Term
Usable Fuel
Definition
Is the fuel available for flight planning
Term
Unusable Fuel
Definition
Quantity of fuel which cannot be safely used in flight 
Term
GPH
Definition
Gallons Per Hour- Amount of fuel consumed per hour
Term
NMPG
Definition
Nautical Miles Per Hour- the distance which can be expected per gallon of fuel consumed at a specific power setting and/or flight configuration.
Term
g
Definition
Acceleration due to gravity
Term
Course Datum
Definition
Compass referance used by the autopilot, along with course deviation.
Term
Reference Datum
Definition
Imaginary verticle plane from which all horizontal dostances are measured for balance purposes.
Term
Sation
Definition
A location along the airplane fuselage given in terms of the distance from the reference datum 
Term
Arm
Definition
The horizontal distance from the reference datum to the center of gravity of an item.
Term
Moment
Definition
product of weight of an item multiplied by its arm
Term
C.G. Arm
Definition
The arm obtained by adding the airplanes individule moments and deviding the sum by the total weight.
Term
C.G. Limits
Definition
the extreme center of gravity locations within which the airplane must be operated at a givin weight.
Term
Standard empty weight 
Definition
Weight of a standard airplane including unusable fuel, full operation fluids, and full engine oil.
Term
Basic Empty Weight
Definition
Is the standard empty weight plus the weight of optional equipment 
Term
Useful Load
Definition
Diffrence between ramp weight and basic empty weight
Term
MAC
Definition
Mean aerodynamic chord- The chord of an imaginary rectangular airfoil having the same pitching moments throughout the flight range as that of the actual wing.
Term
Tare
Definition
The weight of chocks, blocks, stands, ect. used when weighing an airplane and is included in the scale readings.
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