diff --git a/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php b/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php
index f32cba12..f18b3417 100644
--- a/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php
+++ b/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php
@@ -26,6 +26,7 @@ class CreatePirepTables extends Migration
             $table->char('flight_type', 1)->default(FlightType::SCHED_PAX);
             $table->string('dpt_airport_id', 4);
             $table->string('arr_airport_id', 4);
+            $table->string('alt_airport_id', 4)->nullable();
             $table->unsignedInteger('level')->nullable();
             $table->unsignedDecimal('distance')->nullable();
             $table->unsignedDecimal('planned_distance')->nullable();
diff --git a/app/Http/Requests/Acars/PrefileRequest.php b/app/Http/Requests/Acars/PrefileRequest.php
index 8344bbb2..cadd5e60 100644
--- a/app/Http/Requests/Acars/PrefileRequest.php
+++ b/app/Http/Requests/Acars/PrefileRequest.php
@@ -30,6 +30,7 @@ class PrefileRequest extends FormRequest
             'arr_airport_id' => 'required',
             'source_name'    => 'required',
 
+            'alt_airport_id'      => 'nullable',
             'status'              => 'nullable',
             'level'               => 'nullable|numeric',
             'flight_type'         => 'nullable',
diff --git a/app/Models/Pirep.php b/app/Models/Pirep.php
index 4869f864..84613496 100644
--- a/app/Models/Pirep.php
+++ b/app/Models/Pirep.php
@@ -73,6 +73,7 @@ class Pirep extends Model
         'route_leg',
         'dpt_airport_id',
         'arr_airport_id',
+        'alt_airport_id',
         'level',
         'distance',
         'planned_distance',
@@ -168,6 +169,8 @@ class Pirep extends Model
         if (array_key_exists('block_off_time', $this->attributes)) {
             return new Carbon($this->attributes['block_off_time']);
         }
+
+        return null;
     }
 
     /**
@@ -180,6 +183,8 @@ class Pirep extends Model
         if (array_key_exists('block_on_time', $this->attributes)) {
             return new Carbon($this->attributes['block_on_time']);
         }
+
+        return null;
     }
 
     /**
@@ -192,6 +197,8 @@ class Pirep extends Model
         if (array_key_exists('submitted_at', $this->attributes)) {
             return new Carbon($this->attributes['submitted_at']);
         }
+
+        return null;
     }
 
     /**
@@ -228,7 +235,8 @@ class Pirep extends Model
     {
         if ($value instanceof Distance) {
             $this->attributes['distance'] = $value->toUnit(
-                config('phpvms.internal_units.distance'));
+                config('phpvms.internal_units.distance')
+            );
         } else {
             $this->attributes['distance'] = $value;
         }
@@ -361,7 +369,7 @@ class Pirep extends Model
      *
      * @param $value
      */
-    public function setFuelUsedAttribute($value)
+    public function setFuelUsedAttribute($value): void
     {
         if ($value instanceof Fuel) {
             $this->attributes['fuel_used'] = $value->toUnit(
@@ -377,7 +385,7 @@ class Pirep extends Model
      *
      * @param $value
      */
-    public function setPlannedDistanceAttribute($value)
+    public function setPlannedDistanceAttribute($value): void
     {
         if ($value instanceof Distance) {
             $this->attributes['planned_distance'] = $value->toUnit(
@@ -475,6 +483,11 @@ class Pirep extends Model
         return $this->belongsTo(Airport::class, 'arr_airport_id');
     }
 
+    public function alt_airport()
+    {
+        return $this->belongsTo(Airport::class, 'alt_airport_id');
+    }
+
     public function dpt_airport()
     {
         return $this->belongsTo(Airport::class, 'dpt_airport_id');