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Av. Kit Install. Manual
190-00067-02 Rev. J
Page 5
SECTION 1 GENERAL DESCRIPTION
1.1 INTRODUCTION
This manual describes the physical, mechanical, and electrical characteristics and
the installation requirements for the GNC 300 Aviation Kit.
After installation of the GNC 300 system, FAA Form 337 must be completed by an
appropriately certificated agency to return the aircraft to service.
1.2 TECHNICAL CHARACTERISTICS
The GNC 300 offers the versatility of fixed installation in a panel mounted aviation rack
as well as complete portability.
For TSO Compliance, see Appendix A.
The conditions and tests required for TSO approval of this article are minimum
performance standards. It is the responsibility of those desiring to install this article
either on or within a specific type or class of aircraft to determine that the aircraft
installation conditions are within the TSO standards. The article may be installed only
if further evaluation by the applicant documents an acceptable installation and is
approved by the Administrator.
1.2.1 PHYSICAL CHARACTERISTICS
Width: 6.25 inches
Height: 2 inches
Depth: 5.65 inches
GNC 300 Weight: 2.4 lbs.
GA 56 Antenna Weight: 4 oz.
Aviation Rack Weight: 10 oz.
Max Air Speed: Subsonic
(Structural rating for antenna)
1.2.2 OPERATIONAL CHARACTERISTICS
Operating Temperature Range: -20
o
C to +55
o
C
Humidity: 95% non-condensing
Altitude Range: -1,500 to 50,000 ft.
Power Range 10 to 15.1 VDC
Power Requirements: 1.2A @ 13.8v (not transmitting)
5.5A @ 13.8V (transmitting)
1.2.3 INTERFACES
The GNC 300 provides interfaces to various general aviation instruments. Figure 1-
1 defines the function of each pin on the 37 pin DSUB connector located at the back