//adds an aircraft to the object public void addTrainingAircraft(TrainingAircraft aircraft) { this.Aircrafts.Add(aircraft); this.FlightSchool.addTrainingAircraft(aircraft); }
//remove an aircraft from the object public void removeTrainingAircraft(TrainingAircraft aircraft) { this.Aircrafts.Remove(aircraft); this.FlightSchool.removeTrainingAircraft(aircraft); }
//removes an aircraft from the flight school public void removeTrainingAircraft(TrainingAircraft aircraft) { this.TrainingAircrafts.Remove(aircraft); }
//adds a training aircraft to the flight school public void addTrainingAircraft(TrainingAircraft aircraft) { this.TrainingAircrafts.Add(aircraft); }