Installation Procedure
GDL 69/69A Installation Manual
Page 2-17
190-00355-02
Revision E
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 Weight
GDL 69 Weight
1.72 lbs (0.78 kg)
GDL 69 and Remote Rack Weight
2.69 lbs (1.22 kg)
GDL 69 and Modular Rack Weight
2.67 lbs (1.21 kg)
GDL 69A Weight
1.86 lbs (0.84 kg)
GDL 69A and Remote Rack Weight
2.83 lbs (1.29 kg)
GDL 69A and Modular Rack Weight
2.81 lbs (1.27 kg)
GA 55 Antenna
0.25 lbs (0.11 kg)
GA 55A Antenna
0.43 lbs (0.20 kg)
GA 57 Antenna
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
Max Current @ 28 VDC
Max Current @ 14 VDC
Off
0.01 A
0.01 A
On 0.28
A
0.425
A
GDL 69A
Unit Status
Max Current @ 28 VDC
Max Current @ 14 VDC
Off
0.01 A
0.01 A
On
0.35 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.
Содержание GDL 69/69A
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