Aviation Abbreviations & Terms

Question 0

KTAS

Answer 0

Knots True Airspeed

Changes with altitude and air temperature

Question 1

V-A

Answer 1

Maneuvering Speed - max speed with abrupt control travel

Question 3

V-NO

Answer 3

Maximum Structural Cruising Speed

Max. speed in smooth air

Question 4

V-S

Answer 4

Stalling Speed

Question 5

V-S-o

Answer 5

Stall Speed in the Landing Configuration

Question 6

V-X

Answer 6

Best Angle of Climb:

greatest gain in altitude in the shortest distance

Question 7

V-Y

Answer 7

Best Rate of Climb:
quickest climb (greatest gain in altitude over a given time)

Question 8

OAT

Answer 8

Outside Air Temperature

Question 9

Standard Temperature?

Answer 9

15 degrees Celsius

Decreases 2 degrees per 1,000 ft

Question 10

Pressure Altitude

Answer 10

Altitude read on the altimeter when it’s barometric scale is set to 29.92 inches of mercury

Question 11

RPM

Static RPM?

Answer 11

Revolutions Per Minute

Static - the engine speed with full-throttle on runup

Question 12

Standard Empty Weight

Answer 12

Weight of a/c, plus unusable fuel, oil, and fluids

Question 13

Basic Empty Weight

Answer 13

Standard Empty Weight plus optional equipment

Question 14

Useful Load

Answer 14

Ramp Weight - Basic Empty Equipment

i.e. passengers plus baggage

Question 15

Tare

Answer 15

Weight of chocks & equipment used when weighing the a/c. It’s obviously deducted from the scale reading.

Question 16

C.G. Limits

Answer 16

Where the C.G. may be located in order to safely operate the a/c

Question 17

Moment

Answer 17

Weight x Arm

Is usually divided by 1,000 for ease of calculation

Question 18

Arm

Answer 18

Distance from reference datum

Question 19

Station

Answer 19

Location among the fuselage.

Question 20

Reference Datum

Answer 20

Imaginary vertical plane used to measure distances for balance purposes