H-46D Sea Knight Helicopter Flight Manual 1990
This is an original (not a photocopy) 1990 Flight Manual for the H-46D Boeing Vertol Sea Knight Medium Lift Tandem Helicopter. With 11 sections plus index, the pages number in the hundreds (its paginated by section) and is about 1.75 inches thick.
It is in exceptional condition for it's ~25+ year age. A fine document.