CS 25.581 Lightning protection
ED Decision
2016/010/R
(See AMC
25.581)
(a) The aeroplane must be protected against
catastrophic effects from lightning. (See CS 25.899
and AMC 25.581.)
(b) For metallic components, compliance with
sub-paragraph (a) of this paragraph may be shown by –
(1) Bonding the components properly to the
airframe; or
(2) Designing the components so that a strike
will not endanger the aeroplane.
(c) For non-metallic components, compliance
with sub-paragraph (a) of this paragraph may be shown by –
(1) Designing the components to minimise the
effect of a strike; or
(2) Incorporating acceptable means of
diverting the resulting electrical current so as not to endanger the
aeroplane.
[Amdt
25/18]