Regulation Text
No person may operate a transport category airplane in air commerce unless that airplane is equipped with an aural speed warning device that complies with § 25.1303(c)(1).
Research Notes
Section 91.603 — Aural speed warning device — requires an aural speed warning device on large transport-category aircraft to alert the crew of impending overspeed conditions.
Operational scope: Transport-category aircraft (Boeing 737/747/777, Airbus A320/330/340/380, etc.) all have factory-installed overspeed warning. The reg captures the operational requirement to have the device installed and operational.
Reference: Part 25 § 25.1303 on flight and navigation instruments including warning systems.
Amendment History
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