 Lock Haven University presents public concerts , plays , art exhibits , and student recitals at the Price Performance Center , the Sloan Auditorium , and the Sloan Fine Arts Gallery on campus . The Millbrook Playhouse in Mill Hall has produced plays since 1963 . Summer concerts are held in city parks , and the local Junior Chamber International ( Jaycees ) chapter sponsors an annual boat regatta on the river . The city sponsors a festival called Airfest at the airport in the summer , a Halloween parade in October , and a holiday parade in December . Light @-@ airplane pilots travel to the city in vintage Piper planes to attend Sentimental Journey Fly @-@ Ins , which have been held each summer since 1986 . Enthusiasts of radio @-@ controlled model airplanes meet annually at the William T. Piper Memorial Airport to fly their planes . 
