How should aircraft and pesticide materials be secured?

• A. Store them unlocked in a secure area with limited access.
• B. Establish procedures to prevent unauthorized access when not in use.
• C. Leave keys in the ignition of aircraft for quick access.
• D. Rely on verbal reminders to keep unauthorized people away.

Answer: (B)

Preventing unauthorized access to aircraft and pesticide materials when they’re not in use relies on having formal security procedures in place. Establishing procedures creates a repeatable, accountable system: locked storage for pesticides and secure access to the aircraft, clear who is authorized to access them, and up-to-date records of when and by whom items are accessed or moved. This consistency reduces the risk of theft, tampering, or accidental exposure and makes security effective even as staff change or shifts rotate.

Storing items unlocked, even in a secure-area, undermines protection because “unlocked” means accessible to more people than intended. Leaving keys in the aircraft ignition provides immediate, easy access to the aircraft itself. Relying on verbal reminders lacks traceability and enforcement, so reminders can be forgotten or ignored.