Final answer:
You should respond by contacting the appropriate authorities to obtain a parking spot for transient C16 aircrew.
Step-by-step explanation:
When transient C16 aircrew request a parking spot, you should respond by contacting the appropriate authorities to obtain the spot.
The exact process may vary depending on the specific airport or airfield.
You may need to contact the air traffic control tower or the airport operations office to request a parking spot for the transient C16 aircrew.