Aircraft Vspeeds

Question 1

POH

Answer 1

Pilot Operating Handbook

Question 2

AFM

Answer 2

Airplane Flight Manual

Question 3

Docs required onboard aircraft

Answer 3

AROW

Airworthiness Certificate

Registration

Operations Manual

Weight and Balance

Question 4

AD

Answer 4

Airworthiness Directives

Question 5

AVGAS

Answer 5

Aviation Gasoline

Question 6

Fuel Weight

Answer 6

Fuel weighs 6 lbs/gal

Question 7

Datum

Answer 7

Arbitrary point established by aircraft designers for moment calculations.

Question 8

Arm

Answer 8

Distance from datum point of the weight factor.

Question 9

Moment

Answer 9

Arm * weight

Question 10

ASI

Answer 10

Airspeed Indicator

Question 11

TAS

Answer 11

True Airspeed

The speed of the aircraft in relation to the air mass in which it is flying.

Question 12

IAS

Answer 12

Indicated Airspeed

Uncorrected as indicated by ASI.

Question 13

CAS

Answer 13

Calibrated Airspeed

ASI corrected for instrument errors.

Question 14

EAS

Answer 14

Equivalent Airspeed

ASI corrected for adiabatic compressible flow for the particular altitude.

Side effect of pitot tube errors in non-standard atmospheric pressures.

Question 15

V_{S<span>0</span>}

Answer 15

Stall speed in landing configuration (flaps down.)

Question 16

V_S1

Answer 16

Stall speed with flaps up.

Question 17

V_Y

Answer 17

Speed for maximum altitude per unit of time.

Best rate-of-climb.

Question 18

V_X

Answer 18

Speed for maximum altitude per unit of distance.

Best angle-of-climb.

Question 19

V_LE

Answer 19

Max speed with landing gear extended.

Question 20

V_L0

Answer 20

Max speed to lower landing gear.

Question 21

V_FE

Answer 21

Max speed with flaps extended.

Question 22

V_A

Answer 22

The calibrated design maneuvering speed.

Max speed for full Application of flight controls.

Question 23

V_N0

Answer 23

Max Cruising speed.

Question 24

V_NE

Answer 24

Never exceed speed.

May cause structural damage.

Question 25

OAT

Answer 25

Outside Air Temperature.

Question 26

PA

Answer 26

Pressure Altitude. Set the altimeter to the current barometric pressure and read the pressure altitude.

Question 27

Density Altitude

Answer 27

Pressure altitude corrected for non-standard temperatures and altitudes. Need charts or conversion calculator.

Question 28

V_S

Answer 28

Stall speed.