Federal Aviation Regulations
Sec. 23.1553 — Fuel quantity indicator.
A red radial line must be marked on each indicator at the calibrated zero reading, as specified in §23.1337(b)(1).[Doc. No. 27807, 61 FR 5193, Feb. 9, 1996]
NEXT: Sec. 23.1555 - Control markings.
PREVIOUS: Sec. 23.1551 - Oil quantity indicator.