Flight instruments – Garmin G1000 Piper PA32 User Manual

Page 68

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Garmin G1000 Pilot’s Guide for Piper PA32

190-00692-00 Rev. B

2-18

FLIGHT INSTRUMENTS

Figure 2-27 Typical LNAV/VNAV and LPV Approach CDI Scaling

1.0 nm

2 nm

FAF

0.3 nm

course width

Landing

Threshold

CDI Full-scale Deflection

angle based
on database
information

CDI scale varies if VTF is activated

Figure 2-26 Typical LNAV and LNAV+V Approach CDI Scaling

1.0 nm

2 nm

350 ft

angle set
by system

0.3 nm

FAF

CDI Full-scale Deflection

CDI scale is set to the smaller of 0.3 nm

or an angle set by the system

CDI scale varies if VTF is activated

• When a missed approach is activated, the CDI scale changes to 0.3 nm.

• The system automatically switches back to terminal mode under the following conditions:

- If the next leg in the missed approach procedure is not aligned with the final approach path

- If the next leg in the missed approach procedure is not a CA, CD, CF, CI, CR, DF, FA, FC, FD, FM, IF, or TF leg

- After any leg in the missed approach procedure that is not a CA or FA leg

Flight Phase

Annunciation

Automatic CDI Full-scale Deflection

Departure

DPRT

0.3 nm

Terminal

TERM

1.0 nm

Enroute

ENR

2.0 nm

Oceanic

OCN

2.0 nm

Approach
(Non-precision)

LNAV

1.0 nm decreasing to 350 feet depending on

variables (see Figure 2-26)

Approach
(Non-precision with
Vertical Guidance)

LNAV + V

Approach
(LNAV/VNAV)

L/VNAV

1.0 nm decreasing to a specified course width, then

0.3 nm, depending on variables (see Figure 2-27)

Approach
(LPV)

LPV

Missed Approach

MAPR

0.3 nm

Table 2-1 Automatic GPS CDI Scaling

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