Description
Garmin GHA 15 Antenna Doubler
Provide a solid mounting surface for the Garmin GHA 15 Height Advisor antenna with this aluminum antenna doubler from SteinAir.
Designed specifically for mounting the GHA 15 antenna, this doubler is fabricated from 0.063-inch aluminum and measures 6.3125 inches x 5.75 inches. The center opening provides clearance for the antenna installation, while four installed #10 nutplates provide convenient attachment points.
The doubler is installed behind the aircraft skin to reinforce the antenna mounting area and distribute the mounting load across a larger section of the airframe.
Specifications
- Material: 0.063-inch 6061-T6 aluminum
- Dimensions: 6.3125 inches x 5 inches
- Center opening: Antenna clearance hole
- Mounting: Four installed nutplates
- Application: Garmin GHA 15 Height Advisor antenna
- Type: Antenna doubler / mounting plate
- Purpose: Reinforces the aircraft skin at the antenna mounting location
What is the GHA 15?
The Garmin GHA 15 Height Advisor provides radar-based above-ground-level (AGL) altitude information for compatible Garmin G3X Touch™ Experimental installations. The system measures the aircraft’s height above the surface below and provides pilots with visual height information and aural altitude callouts.
Note: This product is an antenna mounting doubler manufactured by SteinAir. The Garmin GHA 15, antenna, and associated Garmin equipment are not included.









