Garmin GNC 420 Pilot Operating Handbook
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Garmin GNC 420 Pilot Operating Handbook

Garmin GNC 420 Pilot Operating Handbook

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Download this manual See also: Maintenance Manual, Instruction Manual
Cirrus Design
SR22
FAA Approved Airplane Flight Manual
Garmin GNC 420 GPS Navigator
When a GARMIN GNC 420 GPS Navigator with VHF COM is installed
in the Cirrus Design SR22, this Supplement is applicable and must be
inserted in the Supplements Section (Section 9) of the Cirrus Design
SR22 Pilot's Operating Handbook. This document must be carried in
the airplane at all times. Information in this supplement either adds to,
supersedes, or deletes information in the basic SR22 Pilot's Operating
Handbook.
This POH Supplement Revision dated Revision 2: 08-15-07
supersedes and replaces the Revision 1 of this supplement
dated 05-25-05.
P/N 13772-104
Revision 2: 08-15-07
Pilot's Operating Handbook and
Supplement
• Note •
For
Section 9
Supplements
1 of 8

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Summary of Contents for Garmin GNC 420

  • Page 1 Supplement Garmin GNC 420 GPS Navigator When a GARMIN GNC 420 GPS Navigator with VHF COM is installed in the Cirrus Design SR22, this Supplement is applicable and must be inserted in the Supplements Section (Section 9) of the Cirrus Design SR22 Pilot’s Operating Handbook.
  • Page 2 Section 1 - General The airplane is equipped with a GARMIN GNC 420 GPS Navigator with VHF Com herein referred to as the “Navigator.” The GNC 420 is capable of providing IFR enroute, terminal, and approach navigation with position accuracies better than 15 meters. The system utilizes the Global Positioning System (GPS) satellite network to derive the airplane’s position (latitude, longitude, and altitude) and the altitude...
  • Page 3 SR22 Supplements Section 2 - Limitations 1. The GARMIN GNC 420 Pilot's Guide and Reference, P/N 190- 00140-20, Revision B dated August 2002 (or later appropriate revision) must be immediately available to the flight crew whenever navigation is predicated on the use of the GPS Navigator.
  • Page 4 GPS navigation, position must be verified every 15 minutes using another IFR approved navigation system. Section 4 - Normal Procedures Normal operating procedures are outlined in the GARMIN GNC 420 Pilot's Guide and Reference, P/N 190-00140-20, Revision B dated August 2002 (or later appropriate revision).
  • Page 5 The GPS is designated ‘GPS 2.’ Additionally, a VHF communications receiver, designated COM 2, is also integrated into the unit. All tuning and display controls for the GPS and COM are located in the GNC 420 control/display in the center console. The following paragraphs describe the GPS and COM functions of this unit.
  • Page 6 GPS Navigator The GARMIN GNC 420 GPS navigator is the secondary system (GPS 2), is IFR certified, and is coupled to the airplane’s CDI. The GARMIN GNC 420 GPS navigator is capable of providing IFR enroute, terminal, and approach navigation with position accuracies better than 15 meters.
  • Page 7 Section 9 SR22 Supplements frequency display window is at the upper left corner of the GNC 420 display. Auto-tuning can be accomplished by entering a frequency from a menu. The COM 2 antenna is located below the cabin on the airplane centerline.
  • Page 8 Section 9 Cirrus Design Supplements SR22 Intentionally Left Blank 8 of 8 P/N 13772-104 Revision 2: 08-15-07...

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