Explain the procedures used to wash an aircraft. Open all circuit breakers associated with battery power prior to application of any flammable solvent. Wipe up all excess oil and grease. Close doors and emergency openings.
Check drain holes and cover vents, openings and ports.
Wear rubber gloves, goggles, and water-resistant boots during cleaning operations. Clean the aircraft bottom to top and inboard to outboard to avoid streaking caused by the cleaning solution. State the number of personnel required to tow an aircraft. The brake rider will be seated in the cockpit and is there to apply brakes to the aircraft if necessary. Discuss the requirements to be met before the issuance of a support equipment license.