← All explained questions · Supplemental · III — Airport & Seaplane Base Operations
An aircraft displays a steady RED light on its left side and a steady GREEN light on its right side. You see only the red light approaching from your right. The other aircraft is
Choices
flying directly toward you, head-on.
Head-on you'd see both red AND green.
flying away from you in the same direction.
Following you'd see white tail light only.
crossing left-to-right; you have right-of-way (your green wingtip light faces the other aircraft).
Reversed direction — red means LEFT side visible to you, so it's moving right-to-left.
✓ crossing right-to-left; the other aircraft has the right-of-way and you should give way.correct
Position lights: RED on left wing, GREEN on right wing, WHITE on tail. Seeing the other aircraft's RED light means you're looking at its LEFT side, so it's moving from your RIGHT to your LEFT. Per 14 CFR 91.113(d), aircraft converging at the same altitude give way to the aircraft on their right — that's the other aircraft.
Why
Position lights: RED on left wing, GREEN on right wing, WHITE on tail. Seeing the other aircraft's RED light means you're looking at its LEFT side, so it's moving from your RIGHT to your LEFT. Per 14 CFR 91.113(d), aircraft converging at the same altitude give way to the aircraft on their right — that's the other aircraft.
FAA source: 14 CFR 91.113(d), AIM 4-3-23; 14 CFR 91.113(d); AIM 4-3-23 Aircraft Lightsbrowse the reference library →
Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question.