Which of the following is NOT a requirement for PPE on the flight deck?

The option indicating standard office attire is correct as it is not a requirement for personal protective equipment (PPE) on the flight deck. The primary emphasis for flight deck operations is on safety and protection from potential hazards, making specialized PPE essential.

On the flight deck, personnel are exposed to various risks, such as moving aircraft, high noise levels, and exposure to hazardous materials. Therefore, items like leather gloves, steel toe boots, and safety goggles are required as they provide protection against impacts, electrical hazards, and other dangers present in the aviation environment. Leather gloves can prevent injuries from sharp objects while working, steel toe boots protect feet from heavy equipment, and safety goggles shield the eyes from flying debris and hazardous substances.

In contrast, standard office attire lacks the necessary safety features to protect personnel effectively during flight deck operations, which is why it is not deemed appropriate or compliant with the required PPE standards.