AA.VI.F.K2FAA-S-ACS-11A · Nov 2023Knowledge
Approach lighting systems and runway and taxiway signs, markings, and lighting.
Approach lighting systems and runway and taxiway signs, markings, and lighting.
Bottom line
Runway centerline lights are installed on some precision approach runways to facilitate landing under adverse visibility conditions.
Key numbers
| Number | What it means |
|---|---|
| 50-foot intervals | Centerline spacing |
| Until last 3,000 feet | White lights |
| Next 2,000 feet | White/red alternate |
| Last 1,000 feet | All red |
FAA references
- AFH Glossary (p. G-13) — FAA-H-8083-3C
- IPH ch. 1 (p. 1-3) — FAA-H-8083-16B
- IFH ch. 1 (p. 1-27) — FAA-H-8083-15B
- RMH ch. 3 (p. 3-8) — FAA-H-8083-2A
- 14 CFR 91.175 (Takeoff and landing under IFR.) — eCFR current as of 2026-03-05
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