A 17-year-old passenger died while on a flight from Juba, South Sudan to Jomo Kenyatta International Airport, Nairobi.
The passenger is said to have been unwell and was accompanied by his elder brother when the incident happened.
The pilot of the private airline told police the passenger died airborne.
He was notified by the other passengers of the incident as the plane raced to Nairobi on November 14.
His brother told police the deceased was traveling to Nairobi Hospital for treatment.
The scene was visited by the multi-agency team before the body was moved to Montezuma Monalisa Funeral Home for autopsy.
The cause of the death is yet to be established.