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DA 40 Series
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% Section 34-45
% Stormscope System
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% 1. General
% This Section tells you about the Stormscope system that can be installed in the DA 40. Refer to the
% manufacturer′s manual for more data about the equipment.
% The Stormscope system consists of the following items:
% ) Stormscope processor.
% ) Stormscope antenna.
% 2. Description and Operation
% The WX-500 is a passive sensor that listens for electromagnetic signals with a receiving antenna. The
% antenna detects intra-cloud, inter-cloud, or cloud-to-ground electrical discharges within a 200 nm
% radius of the airplane and sends the resulting 'discharge signals' to the processor. The processor
% digitizes, analyzes, and converts the discharge signals into range and bearing data. This information
% is stored in the storm buffer.
% A. Stormscope Processor
% The stormscope processor is tray mounted and is located under the passengers' seat.
% The avionics bus supplies power to the Stormscope system. The ALT/BAT switch and the AVIONIC
% MASTER switch must be set to ON to supply power through the 'WX-500'-circuit breaker to the
% Stormscope system.
% The processor houses the lightning data acquisition circuitry as well as the circuitry necessary to
% process heading information and communicate with the host MFD (Bendix/King KMD 150 or
% Garmin GNS 430/530, refer to Section 34-58). All WX-500 functions are controlled through the
% MFD.
% B. Stormscope Antenna
% The Goodrich NY-163 stormscope antenna is located behind the COM #2 antenna. The antenna
% is a combined cross-loop and sense antenna. The antenna is sealed against environmental
% extremes. You cannot repair the antenna.
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% Trouble-Shooting % 1. General
% The table below lists the defects you could have with the stormscope system. If you have the trouble % detailed in the Trouble column read across to the Possible Cause column. Then do the repair given % in the Repair column.
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Trouble Possible Cause Repair
Stormscope does not operate. Circuit-breaker not set. Faulty cables/connectors. Set the circuit-breaker. Do a test for continuity on each cable. Do a test for short circuit to ground and between cables. Replace defective cables.
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Doc # 6.02.01 Page 101
Rev. 4 09 Jan 2003
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% Maintenance Practices % 1. General
% This Section tells you how to remove/install the components of the stormscope system. It also tells % you how to test the stormscope system.
% 2. Remove/Install the Stormscope Processor
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% A. Remove the Stromscope Processor %
Detail Steps/Work Items Key Items/References
(1) Remove the passengers' seat. Refer to Section 25-10.
(2) Open the 'WX-500'-circuit breaker.
(3) Loosen the screw that attaches the processor to its mounting tray.
(4) Remove the stormscope processor from the mounting tray.
% % % B. Install the Stormscope Processor
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