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All Journal Conference SENATIK STT Adisutjipto Yogyakarta Vortex Jurnal Manajemen dan Teknologi Rekayasa Journal of Business, Social and Technology
Budiono, Cyrilus Sukaca
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Aerospace Engineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences

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Journal : Vortex

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Penanganan Vibration Propeller menggunakan Metode Fault Tree Analysis pesawat KT-IB Woong Bee Kurniawan, Riski; Pamungkas, Sunu Aditya; Prakoso, Agung; Lukito, Indro; Budiono, Cyrilus Sukaca; Soemarwoto, Wahyudi
Vortex Vol 5, No 2 (2024)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v5i2.2418

Abstract

Propeller yang diputar oleh engine dapat menghasilkan gaya dorong, karena bentuk blade propeller sendiri yang menyerupai airfoil pada wing pesawat jika dilihat dari penampangnya. Pada pesawat KT-1B Woong Bee, propeller yang digunakan adalah HC-E4N-2/E9512CB-1, jenis adjustable pitch dengan 4 blade. Agar propeller berfungsi optimal, putaran harus stabil untuk memastikan gaya dorong dan kenyamanan penerbangan. Vibration pada propeller sering disebabkan oleh ketidakseimbangan blade, yang bisa terjadi akibat perbedaan berat blade atau perbedaan angle of attack. Analisis kegagalan vibration propeller dilakukan dengan observasi dan data kegagalan dari pesawat KT-1B Woong Bee dalam tiga tahun terakhir (2021-2023). Data tersebut dianalisis menggunakan metode Fault Tree Analysis (FTA) untuk menemukan basic event vibration yang kemudian dianalisa kembali untuk menentukan modus kegagalan yang berupa different weight pada blade yang kemudian dilakukan penanganan berupa balancing propeller, yang mencakup penambahan beban pada blade untuk menyeimbangkan berat blade propeller.
Analisis efisiensi manhours pada pemeliharaan structural interity program Pesawat C-130 Hercules menggunakan Metode Critical Path Budiono, Cyrilus Sukaca; Sukmabuana, Nengah Batara; Rahmawati, Fajar Khanif; Wibowo, Suryo Ari
Vortex Vol 5, No 2 (2024)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v5i2.2365

Abstract

Usia jam terbang dan kalender menentukan batasan waktu pesawat C-130 Hercules melakukan pemeliharaan tingkat berat seperti pemeliharaan SIP, WFDI, dan CWBR. Dari kondisi pemeliharaan tingkat berat tersebut menyebabkan terjadinya penumpukkan perawatan yang dimana terjadinya penumpukkan perawatan dengan puncaknya yaitu pada tahun 2023 sebanyak 11 pesawat masih dalam melakukan perawatan berat. Sehingga perlu adanya metode untuk mengurangi penumpukkan pemeliharaan berat tersebut. Pada tugas akhir ini yaitu menganalisis untuk mengetahui nilai total kebutuhan manhours dalam pemeliharaan SIP menggunakan metode Critical Path Method (CPM) dan mengetahui nilai persentase efisiensi perbandingan. Dari hasil analisis dengan menggunakan metode Critical Path Method (CPM) didapati total manhours yaitu sebesar 12180 manhours dengan nilai persentase efisiensi perbandingan sebesar 32,63%.
Analysis of the Increase in Payload Capacity of Airbus A320 Aircraft at Radin Inten II International Airport Lampung Using an Improved Climb Approach Lukito, Indro; Budiono, Cyrilus Sukaca; Prakoso, Agung; Poerwanto, Eko; Mardwianta, Benedictus
Vortex Vol 6, No 1 (2025)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v6i1.2802

Abstract

This study aims to analyze the increase in the payload capacity of the Airbus A320 at Radin Inten II International Airport Lampung using the Improve Climb approach. The Improve Climb approach focuses on optimizing the aircraft's climb path to enhance efficiency and payload capacity, particularly in airport conditions with high elevation and unfavorable weather. This study includes an analysis of the performance data of the Airbus A320. In addition, flight simulations were conducted taking into account factors such as wind speed, air temperature, and engine power. The results of this analysis are expected to provide recommendations regarding the optimization of flight schedules, passenger capacity, and improvements in operational efficiency at the airport. The results of the study indicate that by applying the Improve Climb approach, the aircraft's payload capacity can be increased by up to 3% without compromising safety. This opens up opportunities to increase the number of passengers.
Customer Satisfaction as an Intervening Variable in the Relationship Between Service Quality, Marketing Mix, and Customer Trust at Airports Lestiani, Melia Eka; Jannah, Tsamratul; Budiono, Cyrilus Sukaca; Poerwanto, Eko; Mardwianta, Benedictus
Vortex Vol 6, No 2 (2025)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v6i2.3700

Abstract

An airport is a facility where all stakeholders in the aviation industry converge, and its core product is “service,” which includes services for passengers, cargo, and aircraft. Customer satisfaction at airports is an essential outcome that must be delivered to all aviation industry stakeholders. This study aims to analyze the influence of service quality and marketing mix on customer trust, with customer satisfaction serving as an intervening variable at the airport. In reality, many airport service users still feel dissatisfied with both the services provided and the existing facilities. This is evident from various complaints submitted by users, indicating that they have not yet experienced satisfactory airport services. This research employs a quantitative method by distributing questionnaires to 100 respondents, consisting of domestic passengers at Minangkabau International Airport. The findings reveal that service quality and marketing mix have a significant partial and simultaneous effect on customer satisfaction. Furthermore, service quality, marketing mix, and customer satisfaction—both partially and simultaneously—have a significant influence on customer trust. However, the customer satisfaction variable is unable to mediate the relationship between service quality and the marketing mix toward customer trust.
The Impact of Compressor Wash Maintenance on the Rolls Royce M250-B17F Engine Performance of Grob G 120TP-A Aircraft Prakoso, Agung; Lukito, Indro; Junaidin, Buyung; Wibowo, Teguh; Budiono, Cyrilus Sukaca
Vortex Vol 7, No 1 (2026)
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/vortex.v7i1.3817

Abstract

The Grob G 120TP-A is a training aircraft powered by the Rolls Royce M250-B17F engine with limited aerobatic capabilities. To optimize its flight performance, maintenance procedures such as compressor wash are essential. Compressor washing is conducted periodically every 100 flight hours to clean the compressor blades from contaminants caused by humidity and salt particles. This study used thermodynamic analysis to evaluate the increase in thrust power and effective power after compressor washing at different Outside Air Temperatures (OAT). The results indicate that after compressor washing, the thrust power increased by 4.3% and the effective power increased by 0.3%, demonstrating the importance of routine maintenance in sustaining optimal engine and aircraft performance.
Co-Authors Agung Prakoso Arif Pambekti Benedictus Mardwianta, Benedictus Buyung Junaidin, Buyung Denny Dermawan Eko Poerwanto Jannah, Tsamratul Lestiani, Melia Eka Lukito, Indro Mizan, Fathkul Novianto, Thomas Nur Akhmad Triwibowo, Nur Akhmad Pamungkas, Sunu Aditya Rahmawati, Fajar Khanif Riski Kurniawan Setyo, Bima Candra Gautama Adi Soemarwoto, Wahyudi Sukmabuana, Nengah Batara Teguh Wibowo Wibowo, Suryo Ari