Originally Posted by
Jeff Hom
Corrosion has always and will remain a challenging topic for helicopter, even the new types face strong corrosion issues (AW139/189, H175). I don’t know how helicopter manufacturer are improving that.
Having seen a 1 year old H175 with dissimilar metal corrosion recently I strongly believe the industry (not just rotary) is losing basic muscle memory rather than systematically improving. I think design/maintenance safety peaked about 10-15 years ago. Similar with the car industry.