Page Last Updated: 08-06-2026
The list below shows the F5J altimeters (AMRT) that have been approved by the F5J USA Tour board for use in F5J USA Tour competitions. All AMRT's approved for use in 2026 will continue to be approved for Tour use in 2027.
Aerobtec: Altis Micro Device Terminal, Altis v3, Altis v4, Altis v4+, Altis Nano (Please ensure any Altis devices are powered and remain on the ground at least 30 seconds prior to launch!)
GliderKeeper: GliderKeeper M309 integral display, GliderKeeper M311 Pico w/o attached display
Greek Electronics: ALTMR2 AMRT
Jeti: Mvario2 Ex F5J JetiBox / JetiBox Mini
MAV Sense: MAV Sense AMS, Esprit Tech Elite AMS, HEPF Modellbau HEPF AMS, Opale Paramodels Optronics AMS
RC Electronics: #2 Basic / Multi 2 FXJ Card Reader, Multi 3, Falcon, Falcon X
SM Modellbau: Unilog 2 + UniDisplay
Soaring Circuits: CAMF5J integral display
For reference, a direct link to the latest FAI list of approved AMRTs with approved firmware revisions is available here (current July 2026). Note this link changes fairly often; if the link takes you to "Page Not Found" then click FAI Documents, then click the "APPROVED ELECTRONIC DEVICES PER CLASS" choice below, then click the "F5J AMRT Approval List (Current Versions)" link.