Hi, I was not playing on my server but looking at the log I think the Patrol Helicopter is spawning twice.

(22:18:03) | [AutomatedEvents] Spawning Helicopter
(22:18:03) | [AutomatedEvents] Next Helicopter Event in 58 minutes
(22:37:58) | [AutomatedEvents] Next Helicopter Event in 59 minutes​

(19:09:28) | [AutomatedEvents] Spawning Helicopter
(19:09:28) | [AutomatedEvents] Next Helicopter Event in 57 minutes
(19:20:57) | [AutomatedEvents] Next Helicopter Event in 57 minutes

You have the latest version and did a clean install of the config?  If so please share the config and I will test it to see what is up.

Latest version.

{
  "Events": {
    "Bradley": {
      "AnnounceNext": false,
      "Enabled": true,
      "MaximumTimeBetween": 30,
      "MinimumTimeBetween": 25,
      "NextRun": "1900-01-01T01:01:00"
    },
    "CargoPlane": {
      "AnnounceNext": false,
      "Enabled": true,
      "MaximumTimeBetween": 60,
      "MinimumTimeBetween": 50,
      "NextRun": "1900-01-01T01:01:00"
    },
    "CargoShip": {
      "AnnounceNext": false,
      "Enabled": true,
      "MaximumTimeBetween": 180,
      "MinimumTimeBetween": 120,
      "NextRun": "1900-01-01T01:01:00"
    },
    "Chinook": {
      "AnnounceNext": false,
      "Enabled": true,
      "MaximumTimeBetween": 150,
      "MinimumTimeBetween": 120,
      "NextRun": "1900-01-01T01:01:00"
    },
    "EasterEvent": {
      "AnnounceNext": false,
      "Enabled": false,
      "MaximumTimeBetween": 180,
      "MinimumTimeBetween": 120,
      "NextRun": "1900-01-01T01:01:00"
    },
    "HalloweenEvent": {
      "AnnounceNext": false,
      "Enabled": false,
      "MaximumTimeBetween": 180,
      "MinimumTimeBetween": 120,
      "NextRun": "1900-01-01T01:01:00"
    },
    "Helicopter": {
      "AnnounceNext": false,
      "Enabled": true,
      "MaximumTimeBetween": 60,
      "MinimumTimeBetween": 45,
      "NextRun": "1900-01-01T01:01:00"
    },
    "SantaEvent": {
      "AnnounceNext": false,
      "Enabled": true,
      "MaximumTimeBetween": 180,
      "MinimumTimeBetween": 90,
      "NextRun": "1900-01-01T01:01:00"
    },
    "XMasEvent": {
      "AnnounceNext": false,
      "Enabled": true,
      "MaximumTimeBetween": 240,
      "MinimumTimeBetween": 120,
      "NextRun": "1900-01-01T01:01:00"
    }
  },
  "Settings": {
    "AnnounceOnLoad": "false",
    "UseGUIAnnouncementsPlugin": "false"
  }
}​

Your config is ok.   Did players kill the heli?  That resets the timer and thus another announcement.  Otherwise that is odd it is giving a second message several minutes later...  I will see if I can reproduce this.

It was probably taken down, it's a battlefield server.

Are you ok with this behaviour or are you wanting an option to keep the original schedule?

I'm ok with it, thank you.