| Summary: | With the increasing growth in the number of commercial aircraft
movements in and out of the Adi Sutjipto airport and mixed traffic conditions, it
will increase the risk of delay, nearmiss or accident. Flight routes to and from
Jakarta - Yogyakarta use the same ATS route namely W-17 and W-17S, or in
other words, the flight path is used from two directions, from Jakarta and
Yogyakarta as well. The air traffic controllers in Yogyakarta Adi Sutjipto airport
used troubleshooting action based on work experience in the field by providing an
alternative route for the flight route of Yogyakarta - Jakarta via the direct route
JOG - CA. So that when the traffic and weather conditions allow the aircraft to
Jakarta will be guided straight to the point CA.
This study have goal to provide a comparison of efficiency and safety
review on the use of the direct route JOG - CA than when using the ATS route
JOG - W - 17 - W17 S.
This study is a comparative study, the type of research with two or more
variables that aim to distinguish or compare the results between the two study
groups. For the problem of the efficiency, using quantitative methods with
descriptive analysis and for flight safety issue used a qualitative method of
analysis using the guidelines of ICAO Document 9859 Safety Management Sytem
Manual.
From the survey results revealed that there are 83 % flight to Jakarta using
direct route JOG - CA, another result is the direct route through the JOG - CA
compared to the ATS route W 17 - W17S could save the average travel time of
4.38 minutes or 19.5% and could save fuel at least 856,252 kg and a maximum of
1,546,978 kg in a year or by 5.33% to 16.35%. Both routes have the same risk
tolerability scale is in 2A, which is 'necessary risk controls that require
management decisions, and can be accepted after a review of operations'
(according to the ICAO Safety Management System Manual).
In the case of efficiency using the direct route, it undoubtedly that can save
the fuel , while in terms of safety, more assessments to the direct route is required
to be determined the direct route become an official ATS route so that there are
clear procedures and not to endanger the safety and does not violate the rules.
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