Home › Part 107 Practice Tests › Maintenance & Preflight Inspection Questions › Question 44
What should be checked about obstacle-sensing cameras and other optical sensors before flight?
- A.They should be covered to protect them during takeoff
- B.Their lenses are clean, undamaged, and unobstructed
- C.Lens condition does not affect sensing performance
Correct answer
B. Their lenses are clean, undamaged, and unobstructed
Why
Smudged, cracked, or blocked sensors cannot sense obstacles reliably. Cleaning and inspecting them preserves a safety function the remote pilot may be counting on.
Source: FAA-G-8082-22 Ch. 12 · ACS knowledge area: Maintenance and Preflight Inspection Procedures · From the Maintenance & Preflight Inspection practice bank (MNT-044).