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Backup Attitude Gyro Emergency Power Unit EPU Installation Manual
EPU Operating Manual Part 91 Advisory Circular

TGH Aviation is happy to introduce a new FAA certified back-up attitude indicator and emergency power supply manufactured by Castleberry Instruments.  For over 30-years, Castleberry Instruments has been known throughout the industry as a leader in aircraft instrument and component manufacturing.  TGH recently negotiated a preferred dealership agreement with Castleberry Instruments on their 300-14EL (electric backup attitude gyro with lighting & inclinometer) and their EPU28-series (emergency power supplies).


Given that TGH is an FAR Part-145 instrument repair facility, we conducted the necessary tests on both the back up attitude gyro and the emergency power supply prior to moving forward with the agreement.  Castleberry has manufactured a superior product, which is one of the best values at their respectable price points.  Backed by a 15-month warranty, you can count on Castleberry Backup Attitude Indicator and Emergency Power Supply to be reliable addition to your instrument panel. 

The Castleberry backup attitude gyro is an approved substitute for  previously mandated rate of turn indicator in Part 23 aircraft operating in Part 91 and less than 12,500 pounds.



This unit may be installed in the same panel location as the turn and bank, freeing up crowded panel space. It has an inclinometer for use in standard rate turns and a failure warning flag to indicate loss of gyro RPM. 


When used together with the Castleberry Emergency Power Unit, Model EPU28-series, this instrument provides the pilot with a welcome margin of insurance in case of aircraft power failure.


 


TGH Aviation
2389 Rickenbacker Way
Auburn CA 95602
(530)823-6204 Phone
(530)823-5875 Fax
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