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All Journal EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis
Gatot Yudoko
School of Business and Management, Institut Teknologi Bandung
Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Other

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Proposed Improvement of Work-Center Capacity in Aerospace Industry: A Case Study of AMC’s Aircraft Ramp-Up Mutiara Khofifah; Gatot Yudoko
EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Vol 13 No 4 (2025): Oktober
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/ekombis.v13i4.8506

Abstract

An aerospace manufacturing company faced significant capacity overload challenges while ramping up narrow-body aircraft aerostructure production from 6 to 10 units per month. This study utilized a Capacity Requirements Planning (CRP) framework and mixed methods, combining qualitative analysis through Current Reality Tree (CRT) and Focus Group Discussions (FGDs), with quantitative analysis of capacity utilization. The findings reveal critical bottlenecks in work centers such as “Work Center A” and “Work Center B,” which initially operated above optimal load (165% and 119%, respectively). After implementing solutions such as workload redistribution, predictive spare part planning, and integrated scheduling, simulations showed utilization dropping to 73% and 65%, respectively. This paper recommends adopting predictive planning systems and cross-functional collaboration for sustainable production efficiency.
Proposed Strategy for Reducing Expired Consumables Using Kepner-Tregoe Approach and Analytical Hierarchy Process Enggar Abimantrana Prabaswara; Gatot Yudoko
EKOMBIS REVIEW: Jurnal Ilmiah Ekonomi dan Bisnis Vol 14 No 1 (2026): Januari
Publisher : UNIVED Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37676/ekombis.v14i1.8580

Abstract

As an aerospace company in Indonesia, AE Company has a goal expand its capabilities and collaboration for various aerospace manufacturing projects. However, AE Company could not fully utilize its production capacity due to occasional production delays and large quantity of consumables procured. This condition affects AE Company’s capability to fully utilize limited shelf-life consumables, leading to financial loss of more than US$200,000 worth of consumables due to the expiration. The objectives of this study are to propose an improvement strategy to reduce expired consumables at AE Company, focusing on the limited shelf-life consumables which has maximum shelf-life of twelve months by using Kepner-Tregoe approach and Analytical Hierarchy Process (AHP). Root Cause and alternative solution is obtained using Kepner-Tregoe approach, while the preferred alternative solution is chosen using Analytical Hierarchy Process (AHP). From the Analytical Hierarchy Process (AHP), it is decided that “Optimization of Procurement Cycle and Quantity” is chosen as the alternative solution to reduce expired consumables at AE Company.
Co-Authors Enggar Abimantrana Prabaswara Mutiara Khofifah