AC 150/5340-26B, Maintenance of Airport Visual Aid ...

Administration Advisory. Circular Subject: MAINTENANCE OF AIRPORT VISUAL AID FACILITIES Date: 9/30/2009. ... Being familiar with power disconnects and immediately disconnecting the power source in case of emergency. ... or on 120 volt AC supply. The battery operated sets are the most versatile. Hand-crank units are the least accurate as the ... ................
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