After several postponements, the expected launch date could be on April 7 at 6:36 pm ET (22:36 UTC) 
https://www.cnbc.com/2019/03/1…unch-april-7-sources.html
Nation: Saudi Arabia
Type / Application: Communication
Operator: Arabsat
Contractors: Lockheed Martin
Equipment:
Configuration: LM-2100
Propulsion: Chemical
Power: 2 deployable solar arrays, batteries
Lifetime: 15 years
Mass: ~6000 kg; 3520 kg (dry)
Orbit: GEO
Launch Vehicle Falcon-Heavy (Block 5)
https://space.skyrocket.de/doc_sdat/arabsat-6a.htm
Arabsat-6A positioned at Arabsat’s 30.5°East orbital position. Manufactured by Lockheed Martin USA this satellite will support Arabsat competitive position and sustain it as the first satellite operator in the MEA region for satellite capacities and State -of- the- art satellite services.
https://www.arabsat.com/englis…fleet/upcoming-satellites
Some sources claim that it is going to be 50 KU transponders.
No footprints on public yet.
