Abbreviations and definitions

Question 1

VASI

Answer 1

Visual approach slope indicator

Question 2

PAPI

Answer 2

Precision approach path indicator

Question 3

Inclinometer…..

Answer 3

the ball in the turn coordinator, indicates yaw

Question 4

Precession….

Answer 4

tendency of a gyro to cause instrument errors due to drift

Question 5

Yaw string….

Answer 5

string over windshield that should be straight back during coordinated turn

Question 6

Magnetic declination….

Answer 6

points across the earth’s surface connected by isogonic lines, where poles align

Question 7

IAS

Answer 7

indicated air speed, which is the speed read directly off the air speed indicator

Question 8

CAS

Answer 8

calibrated air speed, which is IAS corrected for installation and instrument errors

Question 9

TAS

Answer 9

is CAS corrected for altitude and non-standard temperature

Question 10

GS

Answer 10

ground speed, is TAS adjusted for wind (GS decreased into a headwind, increased in tailwind)

Question 11

Balanced turns is when _______

Answer 11

horizontal life = centrifugal force

Question 12

Glide ration is ______

Answer 12

distance traveled horizontally vs. vertically

Question 13

Spacial disorientation is ____________

Answer 13

when motions, forces, visual scenes encountered in flight lead to misleading information being sent to brain.

Question 14

Condensation nuclei

Answer 14

salt, dust, or microscopic particles that condensation uses to start cloud formation

Question 15

Air mass source region

Answer 15

Area over which air mass acquires its identifying distribution of temperature and moisture.

Question 16

Ridge

Answer 16

elongated area of high pressure

Question 17

trough

Answer 17

elongated area of low pressure

Question 18

Cumulus means

Answer 18

heaped or piled

Question 19

Stratus means

Answer 19

forms layers

Question 20

cirrus means

Answer 20

clouds >20,000 feet, usually fibrous looking

Question 21

Castellanus means

Answer 21

clouds with common base height but different vertical (looks like castle)

Question 22

Lenticular clouds are

Answer 22

lens shaped, often formed over mountains with strong winds

Question 23

Nimbus means

Answer 23

rain bearing

Question 24

Fracto means

Answer 24

broken

Question 25

Alto means

Answer 25

clouds between ~5000 and 20,000 feet

Question 26

Azimuth means

Answer 26

an angular measurement in a spherical coordinate system

Question 27

Complex aircraft

Answer 27

A complex airplane is defined by the United States Federal Aviation Administration as an aircraft that has all of the following: A retractable landing gear (land aircraft only; a seaplane is not required to have this) A controllable pitch propeller (which includes constant speed propellers) Movable or adjustable flaps.

Question 28

AWOS

Answer 28

Automated weather observing system

Question 29

ASOS

Answer 29

Automated surface observing system

Question 30

SIGMET

Answer 30

Significant meteorological information

Question 31

AIRMET

Answer 31

Airmen's meteorological information

Question 32

AFSS

Answer 32

Automated flight service station

Question 33

DUATS

Answer 33

Direct user access terminal service

Question 34

EFAS

Answer 34

En route flight advisory service (AKA Flight Watch)

Question 35

HIWAS

Answer 35

Hazardous inflight weather advisory

Question 36

EFIS

Answer 36

Electronic flight instrument system

Question 37

FMS

Answer 37

Flight management system

Question 38

PFD

Answer 38

Primary flight display

Question 39

MFD

Answer 39

Multi-functional display

Question 40

ASRS

Answer 40

Aviation safety reporting system