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GNS 530(A) Pilot’s Guide and Reference
190-00181-00 Rev. G
SECTION 16 – MESSAGES,
ABBREVIATIONS, & NAV TERMS
16-12
16.3 NAVIGATION TERMS
The following navigation terms are used on the GNS
xÎäÊ>`ÊÊÌ ÃÊ*̽ÃÊÕ`i°ÊÊ,iviÀÊÌÊ}ÕÀiÃÊ£x£Ê>`
£xÓÊvÀÊ}À>« VÊÀi«ÀiÃiÌ>ÌÊvÊ
navigation terms.
WPT 1
XTK
NORTH
WPT 2
BRG
GS
DIS
AIRPLANE
DTK
TRK
Figure 15-1 Illustrated NAV Terms
VER
TICAL NA
VIGA
TION PR
OFILE
VER
TICAL SPEED
REQUIRED
DISTANCE TO TARGET
TIME AND DISTANCE
TO PROFILE
TARGET ALTITUDE
AND POSITION
AIRPORT
CURRENT ALTITUDE
AND POSITION
Vertical
Navigation
Figure 15-2 Illustrated Vertical NAV Terms
ALT (altitude)
ÊÊi} ÌÊ>LÛiÊi>ÊÃi>ÊiÛiÊ
-®°
BRG (bearing)
- The compass direction from the
present position to a destination waypoint.
CAS (calibrated airspeed)
- Indicated airspeed
corrected for instrument errors.
CTS (course to steer)
- The recommended
direction to steer in order to reduce course error
ÀÊÃÌ>ÞÊÊVÕÀÃi°ÊÊ*ÀÛ`iÃÊÌ iÊÃÌÊivwViÌÊ
heading to get back to the desired course and
proceed along the flight plan.
CUM (cumulative)
- The total of all legs in a
y} ÌÊ«>ÊÃÕV Ê>ÃʼVÕÕ>ÌÛiÊ`ÃÌ>Vi½®°
DIS (distance)
ÊÊ/ iʼ}Ài>ÌÊVÀVi½Ê`ÃÌ>ViÊvÀÊ
the present position to a destination waypoint.
DOP (dilution of precision)
ÊÊÊi>ÃÕÀiÊvÊ
satellite geometry quality on a scale of one to ten
ÜiÃÌÊÕLiÀÃÊ>ÀiÊLiÃÌ]Ê
}
iÃÌÊÕLiÀÃÊ>ÀiÊ
ÜÀÃÌ®°
DTK (desired track)
- The desired course
LiÌÜiiÊÌ iÊ>VÌÛiʼvÀ½Ê>`ʼ̽ÊÜ>Þ«Ìð
EFF (efficiency)
ÊÊÊi>ÃÕÀiÊvÊvÕiÊ
VÃÕ«Ì]ÊiÝ«ÀiÃÃi`ÊÊ`ÃÌ>ViÊ«iÀÊvÕiÊÕÌÃÊ
i°}°]Ê>ÕÌV>ÊiÃÊ«iÀÊ}>®°
ENDUR (endurance)
- Flight endurance, or total
available flight time based upon available fuel.
EPE (estimated position error)
ÊÊÊi>ÃÕÀiÊvÊ
satellite geometry quality and additional factors,
iÝ«ÀiÃÃi`Ê>ÃÊ>Ê ÀâÌ>Ê«ÃÌÊiÀÀÀÊÊviiÌÊÀÊ
meters.
ESA (enroute safe altitude)
- The
recommended minimum altitude within ten miles,
left or right, of the desired course on an active
flight plan or direct-to.
Содержание GNS 530
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