With world financial markets in their current state, he said it had become very difficult for the firm's customers to raise finance for capital purchases such as aircraft.
"That coupled with the prolonged high in the New Zealand dollar ... is just undermining our position," said Camp.
The number of workers employed by the firm will reduce from 157 to around 131 as a result of the redundancies, which would take place over the next two weeks.
According to its website, Pacific Aerospace "has over 50 years experience designing and manufacturing rugged and reliable aircraft that perform where others can't".
The firm manufactures a range of small aircraft, including the P-750 XSTOL, which the company said could take off and land in less than 244m, even in hot conditions or at high altitude.