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Datum Line - 🧠ANSWER ✔✔Imaginary point on the aircraft picked by the
manufacturer to measure CG
Arm - 🧠ANSWER ✔✔Horizontal distance (in) from datum to CG
CG range - 🧠ANSWER ✔✔the distance between forward and aft CG position
limits to retain airplane controllability
Floor load limit - 🧠ANSWER ✔✔The maximum weight the floor can sustain per
square inch/foot as provided by the manufacturer.
fuel load - 🧠ANSWER ✔✔usable fuel
Empty Weight - 🧠ANSWER ✔✔Weight of plane excluding people and luggage
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,Max ramp weight (Taxi Weight) - 🧠ANSWER ✔✔Weight of plane (greater than
take off weight because of the fuel it'll burn taxing)
Mean Aerodynamic Chord (MAC) - 🧠ANSWER ✔✔Average distance from the
leading edge to the trailing edge of the wing
Moment - 🧠ANSWER ✔✔Product of the weight of an item multiplied by its arm
(its the fulcrum thing where u balance it. see pg. 10-6)
Where is the CG preferred to be located? - 🧠ANSWER ✔✔Slightly forward of the
Center of Lift
Indicated Airspeed (IAS) - 🧠ANSWER ✔✔Speed directly read from instrument
Calibrated Airspeed (CAS) - 🧠ANSWER ✔✔IAS corrected for installation and
instrument error (usually greatest at lower airspeeds)
True Airspeed (TAS) - 🧠ANSWER ✔✔CAS corrected for altitude and temperature
Groundspeed (GS) - 🧠ANSWER ✔✔TAS adjusted for wind. Actually speed of the
plane over the ground
Vso - 🧠ANSWER ✔✔Stalling speed at max landing weight
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,Vs1 - 🧠ANSWER ✔✔Stalling speed at max takeoff weight
Vfe - 🧠ANSWER ✔✔Maximum speed with flaps extended (fe is flaps extended)
Va - 🧠ANSWER ✔✔maximum speed at which the structural design's limit load
can be imposed
Vlo - 🧠ANSWER ✔✔Maximum speed you can extend the landing gear at
remember it by lo = landing operating (in motion)
Vle - 🧠ANSWER ✔✔maximum speed you can fly with landing gear extended
remember it by le = landing extended
Vx - 🧠ANSWER ✔✔airspeed that gains most altitude in SHORTEST DISTANCE
Vy - 🧠ANSWER ✔✔airspeed that gains most altitude in SHORTEST TIME
Is Vx or Vy better for clearing an obstacle? - 🧠ANSWER ✔✔Vx
Vyse (blue line) - 🧠ANSWER ✔✔If ur in a multi engine plane and one engine
takes an L, this is the best rate of climb speed with one engine operating
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STATEMENT. ALL RIGHTS RESERVED
, Vmc - 🧠ANSWER ✔✔minimum speed you can control a multiengine plane if one
engine takes an L
What does EFD stand for and what is mother name for it - 🧠ANSWER
✔✔Electronic Flight Display. Other name is glass cockpit
Trend Vector - 🧠ANSWER ✔✔Its the little magenta line on EFDs that shows what
speed or altitude the plane will be in 6 seconds
What is the pressure required for instrument operations? - 🧠ANSWER ✔✔between
4.5 "Hg and 5.5 "Hg
Inclinometer - 🧠ANSWER ✔✔Displays aircraft yaw
If the turn coordinator ball is off to the right, which rudder pedal do you step on? -
🧠ANSWER ✔✔"step on the ball". If the ball is to the right step on the right pedal
and vice versa
Magnetic Compass - Variation - 🧠ANSWER ✔✔Magnetic north isn't the same
location as geographic north. Variation is the difference between these two norths
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STATEMENT. ALL RIGHTS RESERVED