ALHAFSI, RIZA IMAMI (2018) ANALISIS PERSEDIAAN SUKU CADANG PADA PERAWATAN PESAWAT UDARA DI PT. PUTRA ELANG ANGKASARAYA DENGAN MODEL PERIODIC REVIEW. S2 thesis, Universitas Mercu Buana Jakarta.
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Abstract
PT. Putra Elang Angkasaraya is a company engaged in aircraft maintenance services that has DGCA AMO 145 certification in the implementation of minor repair, major repair and periodical inspection of NBO-105 and Bell-412 helicopter maintenance. PT. Putra Elang Angkasaraya has problems in the strengths and weaknesses of spare parts inventory so as to increase inventory costs and high lead times for ordering spare parts, this has an effect on the duration of TAT (Turn Around Time) in the work on the project being worked on. The population in this study were NBO-105 helicopter spare parts, while the sample used was data of class B consumable spare parts on NBO-105 helicopters from January 2012 to December 2017. In the initial phase, the spare parts inventory is grouped with ABC analysis which will only be selected for class B spare parts for NBO-105 helicopters, after which forecasting of class B spare parts is carried out to support the calculation of the periodic review. Then the determination of the inventory level includes the period of time between orders (T) and the maximum inventory amount (R) using the Periodic Review model. In the final stage, a total comparative cost of pensioners was made between the Periodic Review model and the company policy model. Montecarlo simulations are used to determine total inventory costs in the company's policy model. The results of this study indicate that the periodic review model can minimize lead times and shortages on ordering parts by optimizing maximum inventory (R) and time between orders (T), so as to minimize total inventory costs. The results of the comparison of periodic review models with company policies show that there is a significant cost efficiency of 40.17%. Keywords : Spare Parts Inventory, Forecasting, ABC Analysis, Periodic Review Model, Montecarlo Simulation. PT. Putra Elang Angkasaraya merupakan perusahaan yang bergerak dibidang jasa perawatan pesawat udara yang telah memiliki sertifikasi DGCA AMO 145 dalam pelaksanaan minor repair, major repair maupun periodical inspection terhadap perawatan pesawat helikopter NBO-105 dan Bell-412. PT. Putra Elang Angkasaraya memiliki permasalahan dalam kelebihan dan kekurangan terhadap persediaan suku cadang sehingga dapat meningkatkan biaya persediaan dan lead time yang cukup tinggi terhadap pemesanan suku cadang, hal ini berpengaruh terhadap lamanya TAT (Turn Around Time) pada pengerjaan proyek yang sedang dikerjakan. Populasi pada penelitian ini adalah suku cadang helikopter NBO-105, sedangkan sampel yang digunakan adalah data-data persediaan suku cadang consumable kelas B pada helikopter NBO-105 pada bulan Januari 2012 hingga Desember 2017. Pada tahap awal, persediaan suku cadang dikelompokkan dengan analisis ABC yang akan dipilih suku cadang kelas B saja untuk kebutuhan helikopter NBO-105, setelah itu dilakukan peramalan terhadap suku cadang kelas B untuk mendukung perhitungan pada periodic review. Kemudian dilakukan penentuan tingkat persediaan yang meliputi periode waktu antar pemesanan (T) dan jumlah persediaan maksimum (R) dengan menggunakan model Periodic Review. Pada tahap akhir, dilakukan perbandingan total biaya pesediaan antara model Periodic Review dengan model kebijakan perusahaan. Simulasi Montecarlo digunakan untuk menentukan total biaya persediaan pada model kebijakan perusahaan. Hasil penelitian ini menunjukkan bahwa model periodic review dapat meminimalisir lead time dan shortage terhadap pemesanan suku cadang dengan mengoptimalkan persediaan maksimum (R) dan waktu antar pemesanan (T), sehingga dapat meminimalkan total biaya persediaan. Hasil perbandingan model periodic review dengan kebijakan perusahan menunjukkan adanya efisiensi biaya yang cukup signifikan sebesar 40,17%. Kata Kunci : Persediaan Suku Cadang, Peramalan, Analisis ABC, Model Periodic Review, Simulasi Montecarlo.
| Item Type: | Thesis (S2) |
|---|---|
| Call Number CD: | CD/551. 19 123 |
| Call Number: | TM/51/18/198 |
| NIM/NIDN Creators: | 55116110040 |
| Uncontrolled Keywords: | Persediaan Suku Cadang, Peramalan, Analisis ABC, Model Periodic Review, Simulasi Montecarlo. |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.7 Storage and Maintenance Technology/Teknologi Penyimpanan dan Perawatan 700 Arts/Seni, Seni Rupa, Kesenian > 700. Arts/Seni, Seni Rupa, Kesenian > 702 Miscellany of Fine and Decorative Art/Aneka Ragam tentang Kesenian, Aneka Ragam tentang Karya Seni > 702.8 Techniques, Precedures, Apparatus, Equipment, Materials/Teknik, Prosedur, Perlengkapan, Peralatan, Bahan > 702.88 Maintenance and Repair/Perawatan dan Perbaikan |
| Divisions: | Pascasarjana > Magister Manajemen |
| Depositing User: | Dede Muksin Lubis |
| Date Deposited: | 21 Dec 2018 02:22 |
| Last Modified: | 20 Apr 2022 03:44 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/46267 |
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