Garmin GDL 69/69A Installation Manual - Page 33
Weight and Balance, 8 Electrical Load Analysis - gdl 69a manual
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Installation Procedure 2.7 Weight and Balance Weight and balance computation is required after the installation of the GDL 69/69A. Follow the guidelines as established in AC 43.13-1B, Chapter 10, Section 2. Make appropriate entries in the equipment list indicating items added, removed, or relocated along with the date accomplished. Include your name and certificate number in the aircraft records. Table 2-8 identifies the weight of the new GDL 69/69A equipment and Figure 1-2 and Figure 1-3 shows the center of gravity. Table 2-8. Unit Weights Item GDL 69 Weight GDL 69 and Remote Rack Weight GDL 69 and Modular Rack Weight GDL 69A Weight GDL 69A and Remote Rack Weight GDL 69A and Modular Rack Weight GA 55 Antenna GA 55A Antenna GA 57 Antenna Weight 1.72 lbs (0.78 kg) 2.69 lbs (1.22 kg) 2.67 lbs (1.21 kg) 1.86 lbs (0.84 kg) 2.83 lbs (1.29 kg) 2.81 lbs (1.27 kg) 0.25 lbs (0.11 kg) 0.43 lbs (0.20 kg) 0.47 lbs (0.21 kg) 2.8 Electrical Load Analysis An electrical load analysis should be completed on each aircraft prior to installation in accordance with AC 43.13-1B, Chapter 11 and recorded on FAA Form 337. Use the following values for computation: GDL 69 Unit Status Off On GDL 69A Max Current @ 28 VDC 0.01 A 0.28 A Max Current @ 14 VDC 0.01 A 0.425 A Unit Status Off On Max Current @ 28 VDC 0.01 A 0.35 A Max Current @ 14 VDC 0.01 A 0.65 A Note: Unit OFF is defined as the unit has power but is turned off with the remote power control signal. NOTE Circuits should be protected in accordance with guidelines in AC 43.13-1B, chapter 11, Section 2, Paragraph 429. GDL 69/69A Installation Manual 190-00355-02 Page 2-17 Revision E