The mom not only knew her daughter was being abused, she watched — and even participated, according to the documents.

The pilot was removed from the cockpit of a plane after it landed in San Francisco on Saturday night. A woman was also charged in a related felony complaint.

The Contra Costa District Attorney's Office charged Rustom Bhagwagar and Jennifer Powell each with more than a dozen felonies, including counts of engaging in a sexual act with a child 10 years old or younger, oral copulation with a child, forcible lewd acts upon a child, and aggravated sexual assault of a child.