Scattering the ashes of the dearly departed is NOT a good idea.
Unless you have a custom made arrangement to scatter.
Flightschool I once worked for got greedy and decided to do this.
Airflow patterns are very unpredictable and part Uncle Ernie ended up inside of the horizontal stabilizer.
This sounds very humorous but you're dealing with the remains of loved ones and people mourning.
Don't mess around with that...literally.