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SAE ARP5414

(R) Aircraft Lightning Zone

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Organization: SAE
Publication Date: 1 December 2018
Status: active
Page Count: 33
scope:

This SAE Aerospace Recommended Practice (ARP) defines lightning strike zones and provides guidelines for locating them on particular aircraft, together with examples. The zone definitions and location guidelines described herein are applicable to Parts 23, 25, 27, and 29 aircraft. The zone location guidelines and examples are representative of in-flight lightning exposures.

Purpose

This ARP provides information to determine aircraft lightning attachment zones. This lightning zoning ARP should be used with two other documents: ARP5412 and ARP5416. The relationship between the three documents and the equivalent EUROCAE documents is shown in Figure 1. These documents are used to define the aircraft lightning environment and tests required to support the aircraft lightning protection certification.

Lightning zoning is one step in demonstrating that the aircraft is adequately protected from both direct and indirect effects of lightning. Lightning zoning defines the surfaces of the aircraft that are likely to experience lightning channel attachment and the aircraft structures that conduct lightning current between attachment points.

Lightning zoning should be used with the aircraft lightning hazard assessment to determine the appropriate protection for a given aircraft part or location. The criticality of the systems or structure in the zone should be considered when defining the appropriate protection for parts and structure in a particular lightning zone.

Document History

SAE ARP5414
December 1, 2018
(R) Aircraft Lightning Zone
This SAE Aerospace Recommended Practice (ARP) defines lightning strike zones and provides guidelines for locating them on particular aircraft, together with examples. The zone definitions and...
February 1, 2005
Aircraft Lightning Zone
This SAE Aerospace Recommended Practice (ARP) defines lightning strike zones and provides guidelines for locating them on particular aircraft, together with examples. The zone definitions and...
February 1, 2005
Aircraft Lightning Zoning
This SAE Aerospace Recommended Practice (ARP) defines lightning strike zones and provides guidelines for locating them on particular aircraft, together with examples. The zone definitions and...
December 1, 1999
Aircraft Lightning Zoning
1. SCOPE: This SAE Aerospace Recommended Practice (ARP) defines lightning strike zones and provides guidelines for locating them on particular aircraft, together with examples. The zone definitions...

References

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