曝光台 注意防骗
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Ve r t i c a l The ra te of ch a nge of press u re altitude, us u a l ly
S p e e d c a l i bra ted in hun dreds of feet per minu te.
V F Des ign Flap Speed
V F E Fla ps Exte n d ed Plac a rd Speed
V F O Va ria ble Freque ncy Osc i l la tor
V F O P Visual Fl ight Rules Opera t ions Pa n e l
V F R Visual Fl ight Rules
V F X R ( R ) Flap Re tract ion Speed
V F X R ( X ) Flap Exte n s ion Speed
V G / D G Vert ical Gyro / D i rect ional Gyro
VG or VGND G ro und Ve loc i ty
V G A Vid eo Gra p h ics Ad a p ter
V H Ma xi mum Leve l - fl ight Speed wi th Con t i nu o us Power
V H F Very High Freque nc y.The port ion of the ra dio
s pectrum from 30 to 300 MHz.
V H S Very High Speed
V H S I C- 2 Very High Speed In tegra ted Circui ts - Phase 2
V I Hea di ng to a course interce p t
V I s Lowest Se lecta ble Ai r s peed
1 0 6
1 0 9
VSL Advisory Vert ical Speed Limit Advi sory may be preve n t ive or
c orrect ive (TCA S )
V S M Vert ical Se pa ra t ion Minimum
V S O S ta l l i ng Speed in the Landi ng Configu ra t ion
V S TO L Vert ical or Short Takeoff and Landi ng
V S V Va ria ble Sta t ion Va n e
V S W R Vol tage - S ta n di ng Wave Ratio.The ra t io of th e
a m plitude of the vol tage (or electric fie ld) at a vol tage
m a xi mum to that of an adjacent vol tage minimum .
VSWR is a mea s u re ment of the mismatch be twee n
the load and the tra n s m i ss ion line.
V T K Vert ical Track Dista nce
V TO Vol ume tric To p - Off
V TO L Vert ical Takeoff and Landi ng
V T R Va ria ble Takeoff Rating
V / T R K Vert ical Track
V U U t i l i ty Speed
V X S peed for Best Ang le of Climb
V Y S peed for Best Rate of Climb
W ( 1 ) Wa t t
( 2 ) West
WA A S Wide Area Augme n ta t ion System (Me th od of
D i ffere n t ial GPS )
WA D G N S S Wide Area Differe n t ial Glo bal Naviga t ion
Sa te l l i te Syste m
WA F S World Area Forec a st Syste m
WA I Wi ng An t i - Ice
WA N Wide Area Ne twor k
WA R C- 9 2 World Adm i n i stra t ive Radio Confere nce (1992 )
WA R C- M O B World Adm i n i stra t ive Radio Confere nce for the
Mo bi le Service
VO C R A D Voice Radio
VO D Vid eo On De m a n d
Vo i s p o n d A CA LSE L funct ion that wo uld au tom a t ic a l ly id e n t i fy
an airc raft by a voice rec ordi ng.Voi s pond is not
yet imple me n ted.
VO M Vol t - Ohm - M i l l ia m me ter
VO R VHF Omnidi rect ional Radio Range. A system th a t
provid es bea ri ng inform a t ion to an airc raft .
VO R / D M E A system in wh ich a VOR and DME sta t ion are
c o - loc a ted.
VO R / M B VOR / Ma r ker Beac on
VO R TAC A system in wh ich a VOR and a TACAN sta t ion
a re co-loc a ted.
VO S Ve loc i ty Of So un d
VOX Voice Tra n s m i ss ion
V PAT H Vert ical Pa th
V P N Ve n d or Pa rt Num ber
V R ( 1 ) Takeoff Ro ta t ion Ve loc i ty
( 2 ) Hea di ng to a ra dia l
V R A M Vid eo Random Access Me m ory
V R E F Refere nce Ve loc i ty
V R G V DL Refere nce Guid e
V / S Vert ical Speed
V S AT Very Small A pert u re Term i n a l
V S C F Va ria ble Speed Con stant Freque nc y
VSCS ( 1 ) Vert ical Sta bi l izer Con trol System used on
NOTAR helic o p ter
( 2 ) Voice Swi tch i ng and Con trol Syste m
V S D V DL S pec i fic DTE Ad dress
V S I ( 1 ) Vert ical Speed In dic a tor
( 2 ) S ta l l i ng Speed in a Spec i fied Fl ight Configu ra t ion
1 0 8
1 1 1
W O W We ight On W h ee l s
W P Wor ki ng Pa per
W P T Waypoi n t
W P R Waypoint Pos i t ion Re port
W R S Wide- a rea Refere nce Sta t ion
W R T W X R Rece iver / Tra n s m i t ter
W S D D M Wea th er Support for De ic i ng Dec i s ion Maki ng
W / S T E P Wi th Step Change in A l t i t u d e
W T We ig h t
W X Wea th er
W X I W X R In dic a tor
W X P Wea th er Radar Pa n e l
W X R Wea th er Radar Syste m
W W W World Wide We b
W Y P T Waypoint A l t i t u d e
X A A R INC
X- B A N D The freque ncy ra nge be tween 8000 and 12500 MHz
X B In tern a t ional Air Tra n s port Assoc ia t ion (IATA )
X-C h a n n e l A DME ch a n n e l .T h ere are 126 X-Channels for DME
o pera t ion . For the fi r st 63 ch a n n e l s, the gro un d - to - a i r
freque ncy is 63 MHz be low the air- to - gro un d
freque nc y. For the sec ond 63-X Channels the
gro un d - to-air freque ncy is 63 MHz above the
a i r- to - gro und freque nc y.
XC V R Tra n sce iver
X F R Tra n sfer
X I D E xch a nge Id e n t i fic a t ion
X LT R Tra n s la tor
X M E xternal Ma ster
X M I T Tra n s m i t
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