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74-20-10 EMERGENCY

emergency

Airworthiness Directives; LEIGH SYSTEMS: Emergency Locator Transmitter Leigh Systems Sharc 7 Series

Unsafe Condition: Chemical corrosion may cause failure of the Emergency Locator Transmitter (ELT) to operate or result in inadvertent activation, jamming the emergency frequencies of 121.5 MHz and 243.0 MHz.

Effective: Dec 30, 1977 Category: appliance Compliance: Within the next 90 days and thereafter at each additional 60 day interval after the effective dat...

Why matched: Airworthiness Directives; LEIGH SYSTEMS: Emergency Locator Transmitter Leigh Systems Sharc 7 Series

74-18-15 EMERGENCY

emergency

Airworthiness Directives; LEIGH SYSTEMS: Emergency Locator Transmitter Leigh Systems Sharc 7 Series. Applies to Leigh Systems Sharc 7 Series Serial Nos. 1000-24000 Emergency Locator Transmitter

Unsafe Condition: Magnesium battery gassing and the possibility of lightning strike or static electricity buildup igniting the mixture resulting in rupture and activation of the Emergency Locator Transmitter.

Effective: Jan 23, 1975 Category: appliance Compliance: within the next 90 days after the effective date of this A.D.

Why matched: Airworthiness Directives; LEIGH SYSTEMS: Emergency Locator Transmitter Leigh Systems Sharc 7 Series. Applies to Leigh Systems Sharc 7 Series Serial Nos. 1000-24000 Emergency Locator Transmitter

Technical illustration of an aircraft electrical generator and wiring assembly
Problem area Electrical system