phpvms/app/Http/Resources/Pirep.php

<?php

namespace App\Http\Resources;

use Illuminate\Http\Resources\Json\Resource;

class Pirep extends Resource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        $pirep = parent::toArray($request);

        $pirep['airline'] = new Airline($this->airline);
        $pirep['dpt_airport'] = new Airport($this->dpt_airport);
        $pirep['arr_airport'] = new Airport($this->arr_airport);
        $pirep['position'] = new Acars($this->position);

        return $pirep;
    }
}