Air Bali are the people using the Derazona Airservices 206 here in Bali so I have put the numbers here in case its of use, Google has Air Bali as well.
Office Number +62 361 766582 | 767466
Fax Number +62 361 766581
24HR Contact Numbers: +62 361 20 777 88
+62 81 338 769 756 (Wayan Patra)
+62 811 39 49 66 (Greg Pitman)
+62 8180 553 5677 (Krisna Dewi)
+62 81 338 456 399 (Nyoman Sena)