public IHttpActionResult Create(AirCraftModel airCraft)
        {
            if (!this.ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            var newAirCraft = new AirCraft
            {
                Model = airCraft.Model
            };

            this.data.AirCrafts.Add(newAirCraft);
            this.data.SaveChanges();

            airCraft.Id = newAirCraft.Id;
            return Ok(airCraft);
        }