as well as ADSA-PRF “Aeronautical Design Standard for the Electromagnetic Environmental Effects (E3). Performance and Verification. ADS-1B-PRF: Rotorcraft Propulsion Systems, Airworthiness Qualification ADS- 37A-PRF: Electromagnetic Environmental Effects (E3) Performance. Department of Defense AD Electromagnetic Compatibility Design Guide for Avionics and Related Ground Support Equipment ADSA-PRF Aeronautical.
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Lightning Effects Direct and Indirect. Lightning attachment zones are defined in paragraph The direct effects of lightning are the burning, eroding, blasting, and structural deformation caused by lightning arc attachment, as well as the high pressure shock waves and magnetic forces produced by the associated high currents.
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Those waveforms A, B, C, and D are derived from cloud-to-ground lightning discharges. Comments containing language or concepts that could be deemed offensive will be deleted. Your email address will be kept confidential.
Test waveforms, of necessity, will be only approximations of the idealized waveforms. Comments deemed to be spam or questionable spam will be deleted. Subscribe To Our Monthly Newsletter Enter your email address to stay informed on our company activities, useful industry news, updates to the Technical Library, new spreadsheets, and more They have been updated, improved and ads-7a collection has been expanded to cover more analysis methods than ever before.
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Please consider the following when commenting on this site: Waveform H represents the high rate—of-rise effects including those from intracloud and cloud-to-cloud discharges. For design and verification purposes, the natural lightning environment which comprises a wide statistical range of current levels, duration, and number of strokes is represented by current components A through D, and voltage waveforms A, B, and D as defined in paragraph Direct effects includes the direct coupling of lightning currents into electrical wiring associated with external lighting, antennas, and other external equipment.
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E3 generated anomalies involving this equipment would cause immediate or almost immediate loss of aircraft control or unsafe situations with loss of life a likely occurrence. Results from test waveforms that deviate from the idealized waveforms must therefore be analytically relatable to the idealized waveform.
Links to relevant content are permitted in comments. Subscribe me to the Abbott Aerospace Newsletter. E3 generated anomalies involving this equipment could cause an emergency landing with possible damage to the aircraft, or would cause the pilot to take other emergency action.
Injury or loss of life is possible.