Fix PIREP field and non-existant airport errors when editing PIREPs

app/Models/Enums/PirepFieldSource.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace App\Models\Enums;
+
+use App\Interfaces\Enum;
+
+/**
+ * Class AcarsType
+ * @package App\Models\Enums
+ */
+class PirepFieldSource extends Enum
+{
+    public const MANUAL = 0;
+    public const ACARS  = 1;
+}