The lightning uses two P3d models:
blesk1.p3d
blesk2.p3d
blesk1 uses:
Textures
--------
ca\data\data\blesk_a_ca.paa
and
ca\data\data\default_flash_2pass.rvmat
Sounds
-------
ca\sounds\data\sound\thundershort ... for near sound
ca\sounds\data\sound\thunderlong2 ... for far sound
blesk2 uses:
Textures
--------
ca\data\data\blesk_b_ca.paa
and
ca\data\data\default_flash_2pass.rvmat
Sounds
-------
ca\sounds\data\sound\thunderhard ... for near sound
ca\sounds\data\sound\thunder ... for far sound
This information was brought to you by the letters 'B' and the numbers '1' and '2'
Planck