AV-HSI Horizontal Situation Indicator | Experimental 2B20 The antenna is field tunable

The antenna is field tunable by simply cutting the whip to the required length

For best results

Accurate quartz movement uses one AAbattery

thus permitting a rapid return of your Bell Helicopter to service

AV-HSI Horizontal Situation Indicator | Experimental 2B20 The antenna is field tunableThe AV HSI (Horizontal Situation Indicator) enables essential course and glideslope guidance for ILS (Instrument Landing System) and Localizer Performance with Vertical Guidance (LPV) approaches. Interfacing with most panel mounted GPS navigators through three ARINC 429 channels (2 RX, 1 TX), the AV HSI accessory for the AV 30 communicates course and glideslope guidance for display on the AV 30 during GPS and ILS precision instrument approaches and