Articles
Pengenalan Program Perawatan Pesawat Terbang Bagi Siswa SMA IT Baitussalam Prambanan
Rahmawati, Fajar Khanif
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 2, No 1 (2019): Januari
Publisher : Sekolah Tinggi Teknologi Adisutjipto
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Ilmu pengetahuan sejatinya adalah milik setiap orang untuk dapat memperolehnya. Batasan usia ataupun generasi tidak menjadi penghalang seseorang untuk berbagi ataupun memperoleh ilmu pengetahuan. Semakin dini seseorang mampu memperoleh sebuah pengetahuan maka akan semakin menambah wawasan dan tingkat kemampuan dari orang tersebut. Hal ini pun akan menjadi nilai lebih jika diterapkan pada siswa SMA yang mana mereka memerlukan sumbangan banyak ilmu pengetahuan yang dapat dijadikan bekal dalam setiap keputusan yang akan mereka ambil untuk menempuh tahapan pendidikan selanjutnya. Berbagi ilmu pengetahuan yang pada dasarnya diluar kurikulum yang dipelajari di bangku SMA akan sangat menambah wawasan baru bagi siswa. Pengetahuan tentang dunia penerbangan pada umumnya, dan peranan program perawatan pada khususnya merupakan pengetahuan yang tentunya belum diajarkan di bangku SMA. Tujuan dari pengabdian masyarakat yang dilakukan di SMA IT Baitussalam adalah untuk berbagi informasi dan pengetahuan mengenai dunia penerbangan pada umumya dan peranan perawatan pesawat terbang pada khususnya. Diharapakan melalui pelaksanaan kegiatan ini, dapat menambah pengetahuan dan wawasan siswa serta dapat dijadikan salah satu bekal atau referensi untuk melanjutkan ke jenjang pendidikan selanjutnya.
Analysis Engine Performance PT6A-114A after Applying TBO Extension with the Manufacture Limitation
Rahmawati, Fajar Khanif
SENATIK STT Adisutjipto Vol 4 (2018): Transformasi Teknologi untuk Mendukung Ketahanan Nasional [ ISBN 978-602-52742-0-6 ]
Publisher : Sekolah Tinggi Teknologi Adisutjipto
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DOI: 10.28989/senatik.v4i0.254
Engine PT6A-114A is used on Cessna Grand Caravan 208B which has basic TBO : 3.600FH. Through condition monitoring, manufacturers issued SB1703R9 regarding allowing extension TBOs with terms and conditions. The analysis is done by comparing the condition of the TBO engine : 3.600FH and the engine that has been extended to TBO : 5.600FH. From the data obtained by engine with TBO : 3.600FH and TBO : 5.600FH on the cruising phase, the ITT achieved at each altitude does not exceed the maximum limitation which is 740oC. . Whereas through analytic calculations, the parameters of engine performances are: fuel / air ratio, thrust specifications, specific fuel consumption, thermal efficiency, propulsive efficiency, overall efficiency, and specific power, match to the ideal conditions when compared to altitude. It can be concluded that parameters engine with TBO: 3.600FH or TBO : 5.600FH are still within the limits and engine parameters confirmed to ideal conditions.
Analysis Turn Around Time C03-Check Package on Airbus A320-200
Rahmawati, Fajar Khanif;
Prakoso, Suyudi Imam
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN XXX-XXX-XXXXX-
Publisher : Sekolah Tinggi Teknologi Adisutjipto
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DOI: 10.28989/senatik.v5i0.319
Aircraft maintenance is one of the consequences due to aircraft utilization. C03-check package on an Airbus A320-200 aircraft is one of the scheduled maintenance with interval every 22,500 flight hours, or 15000 flight cycles, or 72 months whicever comes firts. As one of scheduled maintenance, the planning of maintenance activities must be planned as well as possible to make activities carried out efficiently and effectively in terms of time and resources. Preliminary data to make the planning is sourced from the MPD (maintenance planning document).The data included of the scope of work, manhours, and man power. The data obtained is processed using the CPM (Critical Path Method). The results of data processing, it is obtained that the C03-check package on the Airbus A320-200 aircraft takes 4 (four) days, with the critical path on the AD-D1-D2-D3-D4-D4-D5-D6-D7-G aircraft, in the area empenage access panel with the number of hours needed is 41.3 hours.
INVENTORY PLANNING MANAGEMENT OF LOW PRESSURE FILTER WEB (LPFW) ON KT1-BEE AIRCRAFT BASED ON RELIABILITY COMPONENT IN SKATEK 043
Rahmawati, Fajar Khanif
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 11, No 2 (2019): November
Publisher : Sekolah Tinggi Teknologi Adisutjipto
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DOI: 10.28989/angkasa.v11i2.441
Low pressure filter web (LPFW) is one of the components on KT1-Bee aircraft that has been damaged 18 times during March 2016 to April 2017. The LPFW damage that occurred must be anticipated by planning the inventory of components, so when the same damage happens, it can be replaced immediately. Life limit of LPFW by manufacturer is 375FH. However, from the calculation with the weibull method it showed the Mean Time Between Failure (MTBF) only reaches 347,248FH. MTBF values that are smaller than the life limit component require early inventory planning. Through the Poisson method with a confidence level of 70%, the value of x = 5 is obtained. Then if the value is calculated in the recommendation based on the passion distribution with x-1, it will reach 4. From these results, the recommendation of the number of LPFW spare parts that must be prepared to avoid unserviceable aircraft is 4ea.
INVENTORY PLANNING MANAGEMENT OF LOW PRESSURE FILTER WEB (LPFW) ON KT1-BEE AIRCRAFT BASED ON RELIABILITY COMPONENT IN SKATEK 043
Fajar Khanif Rahmawati
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 11, No 2 (2019): November
Publisher : Institut Teknologi Dirgantara Adisutjipto
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DOI: 10.28989/angkasa.v11i2.441
Low pressure filter web (LPFW) is one of the components on KT1-Bee aircraft that has been damaged 18 times during March 2016 to April 2017. The LPFW damage that occurred must be anticipated by planning the inventory of components, so when the same damage happens, it can be replaced immediately. Life limit of LPFW by manufacturer is 375FH. However, from the calculation with the weibull method it showed the Mean Time Between Failure (MTBF) only reaches 347,248FH. MTBF values that are smaller than the life limit component require early inventory planning. Through the Poisson method with a confidence level of 70%, the value of x = 5 is obtained. Then if the value is calculated in the recommendation based on the passion distribution with x-1, it will reach 4. From these results, the recommendation of the number of LPFW spare parts that must be prepared to avoid unserviceable aircraft is 4ea.
Pengenalan Program Perawatan Pesawat Terbang Bagi Siswa SMA IT Baitussalam Prambanan
Fajar Khanif Rahmawati
KACANEGARA Jurnal Pengabdian pada Masyarakat Vol 2, No 1 (2019): Januari
Publisher : Institut Teknologi Dirgantara Adisutjipto
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DOI: 10.28989/kacanegara.v2i1.401
Ilmu pengetahuan sejatinya adalah milik setiap orang untuk dapat memperolehnya. Batasan usia ataupun generasi tidak menjadi penghalang seseorang untuk berbagi ataupun memperoleh ilmu pengetahuan. Semakin dini seseorang mampu memperoleh sebuah pengetahuan maka akan semakin menambah wawasan dan tingkat kemampuan dari orang tersebut. Hal ini pun akan menjadi nilai lebih jika diterapkan pada siswa SMA yang mana mereka memerlukan sumbangan banyak ilmu pengetahuan yang dapat dijadikan bekal dalam setiap keputusan yang akan mereka ambil untuk menempuh tahapan pendidikan selanjutnya. Berbagi ilmu pengetahuan yang pada dasarnya diluar kurikulum yang dipelajari di bangku SMA akan sangat menambah wawasan baru bagi siswa. Pengetahuan tentang dunia penerbangan pada umumnya, dan peranan program perawatan pada khususnya merupakan pengetahuan yang tentunya belum diajarkan di bangku SMA. Tujuan dari pengabdian masyarakat yang dilakukan di SMA IT Baitussalam adalah untuk berbagi informasi dan pengetahuan mengenai dunia penerbangan pada umumya dan peranan perawatan pesawat terbang pada khususnya. Diharapakan melalui pelaksanaan kegiatan ini, dapat menambah pengetahuan dan wawasan siswa serta dapat dijadikan salah satu bekal atau referensi untuk melanjutkan ke jenjang pendidikan selanjutnya.
Reliability analysis of nose wheel assy ATR 72-500
Fajar Khanif Rahmawati;
Sri Mulyani
SENATIK STT Adisutjipto Vol 6 (2020): Keselamatan Penerbangan di masa Pandemi Covid-19 [ISBN 978-602-52742-2-0]
Publisher : Institut Teknologi Dirgantara Adisutjipto
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DOI: 10.28989/senatik.v6i0.404
Aircraft reliability is one aspect that needs to be considered in aircraft operation. The reliability program has been implemented in aircraft maintenance policies, especially for aircraft with high utilization. The reliability program could measure the level of reliability of a component. The nose wheel assy on the ATR 72-500 aircraft is one of the components that has repeated defects, so that a reliability analysis could be performed. The analysis is carried out with a Weibull distribution with data of failure time. From data processing, it was obtained the value of Beta (β) = 3.810138517 which means that the failure characteristic that occurs is early wear out. In addition, the reliability value of R (t) was also obtained for every failure time. The value and graphic shows that the trend is decrease with failure time of component .From the calculation with the Weibull[M1] distribution, it also showed the Mean Time to Failure (MTBF) reaches 454.0138741 hours.
RELIABILITY ANALYSIS OF HELICOPTER BLADE ROTOR PLAY BELL 412 USING NORMAL DISTRIBUTION METHOD
Rastra Arif Pradana;
Kris Hariyanto;
Fajar Khanif Rahmawati
Vortex Vol 1, No 2 (2020)
Publisher : Institut Teknologi Dirgantara Adisutjipto
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DOI: 10.28989/vortex.v1i2.897
At the beginning of operation, a main rotor blade on helicopter is certainly in the best condition. When it gets older, the main rotor blade condition will decrease because of the presence of bent, material fatigue and human error during operation. Based on the background, it is necessary to identify the level of reliability of main rotor blade on the Bell 412 helicopter using the normal distribution method. The research data were the age of components of main rotor blade on Bell 412 helicopter during 27 years.Based on the analysis of calculation of the reliability level, employing the normal distribution method and using Microsoft Excel, the reliability value (R) of all serial numbers of Bell 412 helicopter main rotor blade was 99%, which indicates the reliability of the Bell 412 helicopter main rotor blade is very good.
Evaluasi Rate of Occurrence of Failure (ROCOF) and lifetime prediction at Integrated Drive Generator (IDG) air/oil cooler Boeing Aircraft 737-800 Garuda Indonesia at PT GMF Aero Asia
Arfandi Achmad;
Fajar Khanif Rahmawati;
Dwi Hartini
Angkasa: Jurnal Ilmiah Bidang Teknologi Vol 15, No 1 (2023): Mei
Publisher : Institut Teknologi Dirgantara Adisutjipto
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DOI: 10.28989/angkasa.v15i1.1568
The aviation industry in Indonesia demands an increase in the reliability and safety of aircraft according to CASR 43 through maintenance activities. One of the maintenance aircraft carried out is maintenance on the Integrated Drive Generator (IDG) Air/Oil Cooler Boeing 737-800 aircraft. IDG Air/Oil Cooler functions to transfer heat energy. Maintenance is carried out by repairing or replacing components depending on the level of damage. The method used for the IDG Air/Oil Cooler repair policy is a Power Law Process with a Non-Homogeneous Poisson Process. This study obtained an Increasing Failure Rate (IFR) with an average usage age or Mean Time To Failure (MTTF) of 8180.228022 Flight Hours. By using a reliability reference value of 70%, it can be recommended preventive maintenance measures with an interval of 5000 Flight Hours with a better reliability effect than without preventive maintenance applied.
Pelatihan Penulisan Simbol-Simbol Matematika menggunakan Komputer bagi Siswa SMK Techno Terapan Makasar
Rindu Alriavindrafunny;
Fajar Khanif Rahmawati;
Muhammad Abdul Ghofur
Jurnal Anugerah Vol 5 No 1 (2023): Jurnal Anugerah: Jurnal Pengabdian kepada Masyarakat Bidang Keguruan dan Ilmu Pen
Publisher : Universitas Maritim Raja Ali Haji
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DOI: 10.31629/anugerah.v5i1.5668
Penulisan simbol matematika menggunakan komputer menjadi kebutuhan mutlak bagi siswa Sekolah Menengah ke atas karena pembelajaran online. Tetapi banyak siswa Sekolah Menengah Kejuruan (SMK) yang belum familiar untuk melakukan penulisan simbol matematika di komputer. Oleh karena itu, melalui pelatihan penulisan simbol matematika bagi siswa di SMK Techno Terapan Makasar menggunakan metode demonstrasi online dan tanya jawab ini diharapkan membantu siswa terampil dalam penggunaan teknologi supaya mempunyai kompetensi unggul di masa depan. Hasil pengabdian ini menunjukkan peningkatan dari siswa yang belum pernah menggunakan fitur equation editor menjadi tahu dan bisa mengaplikasikannya dalam menulis simbol matematika. Terlihat dari analisis kuesioner yang diberikan kepada siswa di awal pelatihan bahwa masih banyak siswa yang belum bisa menuliskan simbol matematika di komputer. Dalam proses pelatihannya ada beberapa siswa yang masih mengalami kesulitan. Kesulitan yang dialami siswa adalah menentukan simbol yang cocok dengan maksud dari rumus tetapi hal ini membuat siswa menjadi semakin tertarik dengan fitur tersebut.