Australian C-130 Hercules made regular courier flights between Darwin and Butterworth, though Indonesia withdrew permission for these aircraft to fly through its airspace in July 1964.
Pesawat Hercules C-130 Australia melakukan antaran reguler antara Darwin dan Butterworth, meskipun Indonesia mencabut izin bagi pesawat untuk terbang melalui wilayah udaranya pada Juli 1964.