Low-flying aircraft ahead
This sign warns that aircraft fly at low altitude ahead, typically near an airport or flight path. Drivers must be prepared for sudden noise and movement overhead that may cause distraction; reduce speed and stay alert while passing through the area.
Verified as Thai road sign ต.59 from Thai Department of Land Transport sign series on 2026-05-15.
Study guide
Connect this sign to practice
Low-flying aircraft ahead sits in a cluster of warning signs that look uncomfortably similar. The Thai exam exploits that overlap. Reviewing it next to its visual neighbours in the question flow keeps the differences sharp on test day.
Now see it in questions.
Spotting Low-flying aircraft ahead in isolation is one thing. Recognising it inside a real exam-style question, among lookalikes and trick wording, is another. The diagnostic mixes it in for you.
