degrub

Moibus

Nightjar

Teepee

PVC exposed to sunlight will gradually deteriorate due to the UV in sunlight unless specifically formulated with UV stabilizers. You can provide similar protection by painting surfaces exposed to sunlight. A quality latex paint should be sufficient.

Organ

Dreams

Cycles

Insider

Rock

Chia

Alfalfa

Cover

Spied

Witch

Pull

The fuselage is pressurized by the engine compressor, usually with clean air. Sometimes, engine fluid leaks can foul the air supply. Maybe even evicerated birds as well.

Hospitallers

Wet

Must have been Daleks ;-)

Immodest

Still gone for me as welll

Wry

Peeps

Siam

Twinnings