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Pilots warned about hot air balloons over Central Java
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Residents of Payaman village in Secang district, Magelang regency, release a hot air balloon. (Kompas.com/Ika Fitriana)
T
he Indonesian Flight Navigation Service Institution (AirNav) has called on pilots flying over Central Java to be careful about unmanned hot air balloons released by residents during Idul Fitri festivities.
AirNav states that on Sunday it released Notice to Airmen (NOTAM) No. A2115 to ask airmen to be vigilant in regards to the balloons.
The NOTAM is valid for a month.
1. AirNav menerbitkan Notice to Airmen (NOTAM) dengan nomor A2115 berlaku satu bulan sejak diterbitkan 25 Juni 2017 agar pilot waspada
— AirNav Indonesia (@AirNav_Official) June 26, 2017
AirNav says on its official Twitter account @AirNav_Official that it has received reports from pilots who encountered hot air balloons flying close to their aircraft on Sunday.
The balloons were reportedly released by residents of Wonosobo, Central Java. Wonosobo is geographically part of airways W45 and 17N, AirNav stated.
A balloon can reach 20 meters in height and 8 meters in width. It is capable of flying up to 28,000 feet above sea level.
5. Jarak terbang balon bisa mencapi radius 100NM dari titik pelepasan dengan ketinggian di atas 24.000-28.000 kaki di atas permukaan laut.
— AirNav Indonesia (@AirNav_Official) June 26, 2017
6. Bahkan, beberapa balon pecah di udara saat sudah berada di ketinggian yang sama dengan rute penerbangan.
— AirNav Indonesia (@AirNav_Official) June 26, 2017
Some balloons burst when they reach the altitude of flying planes, AirNav states.
AirNav says the balloons could endanger flights.
Read also: Garuda Indonesia predicts return peak to occur on July 2
“Damage to fuselage or windows would disturb cabin pressure and could put the flight in danger and harm the respiratory system for passengers and cabin crews,” @AirNav_Official tweeted on Tuesday.
AirNav has cited Transportation Ministerial Regulation No. 9/2009, which prohibits a person from operating unmanned air balloons without permission from air traffic controllers.
16. Moored balloons ketinggian lebih dari 150 kaki, 24 jam sebelumnya harus menginfokan @djpu151 & unit Air Traffic Services (ATS) terdekat.
— AirNav Indonesia (@AirNav_Official) June 26, 2017
(ecn/bbs)
