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Scope of this manual
Equipment description
Interfacing the
Northstar M3 to
other equipment
M3 GPS INSTALLATION MANUAL Revision D
SECTION ONE
Technical information
This manual describes the physical, mechanical, and electrical characteris-
tics of the Northstar M3 GPS, included with the installation instructions.
Operational information is found in the Northstar M3 GPS Approach Ref-
erence Manual (Part No. GM601), which is supplied with the unit.
The Northstar M3 GPS consists of a panel-mounted GPS receiver-naviga-
tor, mounting tray, and GPS antenna. The unit is approved under
TSO-C129, Class A1. Use of the M3 is subject to airworthiness approvals
limited to en route, terminal area, and non-precision approach operation
under Visual Flight Rules (VFR) or Instrument Flight Rules (IFR). See
Appendix B, STC Certificate SA00464NY (as ammended), for Federal
Aviation Administration (FAA) Field Approval reference; and Appendix
C, FAA-Approved Airplane Flight Manual Supplement (AFMS, formerly
known as the Supplemental Air Flight Manual), for specific limitations
and operating procedures under the STC.
The unit receives radio signals from GPS satellites and calculates its lati-
tude and longitude from these signals. The unit's database is contained on
a user-changeable FliteCard™. It provides the coordinates of thousands of
airports, VOR and NDB transmitters, airway intersections, and routes and
approaches. A variety of navigation functions may be performed using this
data.
The unit may be interfaced directly to many Course Deviation Indicators
(CDIs), Horizontal Situation Indicators (HSIs), Flight Directors, and/or
autopilots. Outputs also are provided to drive panel-mounted annunciators.
The unit also may be interfaced, through its built-in serial data port, to
devices like fuel-management systems, moving map displays, or other
devices designed to meet the Northstar serial data format described in the
Northstar Serial Data Format Specification V1.19 Firmware, Revision 2.2
(Part No. GM342). This document can be ordered by calling Northstar
Avionics.
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