EGX_HeliTransport system by Enigx   The system allows you to call and manage a heli transport to and from a specific clickable area on the map.
Useful to simulate and manage an insertion/exfiltration or simply a players heli transport. You can control the heli when you are on board (order it direction, stop and land).      Armaholic EGX_HeliTransport system   Hey, it seems Armaholic has been shut down!! 
Alternatively, I added the file to this link which uses a personal external website (completely unrelated to the Arma game).   Features:
System consists of two separate modules: ** CallHeli Allows you to spawn a helicopter and make it land on a map position. It can be used to call an exfiltration. You can call heli wherever you want on the map You can call heli whenever and as many times as you want Graphical interface window for options selection Different helicopters available for selection You can add user heli inserting its classname and text description Automatic procedure to identify a safe landing position close to the selected one You can select heli route clicking on intermediate waypoints on map Multiple helicopter calls No need to place heli from editor. It is spawned at each call   ** OrderHeliGO Allows you to order a helicopter, in which you are on board, to go and land at a point on the map. Useful to simulate and manage an insertion to specific zone.  Graphical interface window for options selection Automatic procedure to identify safe landing position close to the selected one You can select heli route clicking on intermediate waypoints on map You can stop the flight in progress, land at current position or reset the route for new destination  You must within a copter to work Once landed you can choose to send it away and delete it   Both modules can be activated by ACE self interaction menu for authorized players only or for everyone.
SP/MP compatible.
Installation / Usage:
For instructions and information about how to use the EGX_HeliTransport pleasde refer to the included README.txt file.
Mission example included in zip archive.   Notes:
It needs the following mods loaded in your mission:
- ACE for the interaction menu
- RHS USAF for the definition of the RHS helicopters option. Otherwise you can use vanilla copter option. 
Mods: ace ACE Compat - RHS United States Armed Forces CBA_A3 RHSUSAF   Credits & Thanks:
Sceptre for sharing his Custom Dialog System (CDS)
Thanks to Armaholic Community.   Changelog: **Version:** 2.0 - 02/11/2021
- The transport with heli module (OrderChopterGO) has been updated with the possibility to stop the transport in progress and reset the route
- Updated the module of the heli call (CallHeli) with the possibility to add an user heli from a different mod to specify   **Version:** 1.0 First official version 1.0