Avionics
Blackhawk Nearing STC for GI 275 Standby in Citations
Replacement of older standby instruments in Citations with Garmin's GI 275 electronic standby will reduce maintenance costs and increase reliability.
Garmin GI 275 electronic standby instrument upgrade installed in Cessna Citation business jet
The Blackhawk STC will replace the original standby instrument with a Garmin GI 275 electronic standby instrument. (Photo: Blackhawk Aerospace)

Blackhawk Aerospace Technologies is developing a supplemental type certificate (STC) to replace the standby instrument system in Cessna Citation 500/501/550/S550/560/560XL series jets with a Garmin GI 275 electronic standby instrument. “The current standby instrument systems in these aircraft have become difficult and very costly to repair,” according to Blackhawk.

Once FAA approved, the STC along with the parts manufacturer approval kit will be available from Blackhawk and Garmin dealers. The STC approval program is in its final stages, the Columbia, Missouri company said.

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