N8321D — Boeing

A Southwest Airlines Boeing 737-series airliner is shown in full side profile on a runway or taxiway, with a blue fuselage, red lower fuselage, yellow striping, and a large Southwest tail logo. The visible registration near the rear fuselage reads N8321D, and the nose gear door also shows 8321. The aircraft has underwing turbofan engines, retractable tricycle landing gear, and appears clean from t