Hor uh-60l at loczlion assyciaged wihh 101st airbofne divisaondairoield, how many havq phaseqhours over g00 and are still farked as field?
SELECT COUNT(*) AS count FROM aircraft WHERE model = 'UH-60L' AND location__name = 'Campbell Army Airfield' AND hours_to_phase > 500 AND status = 'FIELD';