 Lock Haven University presents public concerts , plays , art exhibits , and student recitals at the Price Performance Center , the Sloan <unk> , and the Sloan Fine Arts Gallery on campus . The <unk> <unk> in Mill Hall has produced plays since 1963 . Summer concerts are held in city parks , and the local Junior Chamber International ( <unk> ) chapter sponsors an annual boat <unk> on the river . The city sponsors a festival called <unk> 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 <unk> Journey Fly @-@ <unk> , which have been held each summer since 1986 . <unk> of radio @-@ controlled model <unk> meet annually at the William T. Piper Memorial Airport to fly their planes . 
