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Suroso
National Air and Space Power Center Of Indonesia
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APU STARTER MOTOR RELIABILITY ANALYSIS P/N 2704506 – 4 AIRBUS A320S USING WEIBULL DISTRIBUTION AND FAILURE MODE AND EFFECT ANALYSIS AT PT INDONESIA AIRASIA Yogi Prisma; Caesar Pradewa; Feti Fatonah; Djoko Herwanto; Desiana Putri; Muchammad Furqon; Suroso; Dikasitama
Jurnal TNI Angkatan Udara Vol 5 No 1 (2026): Jurnal TNI Angkatan Udara Triwulan Pertama
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i1.190

Abstract

This study aims to determine the reliability value and failure characteristics of the APU starter motor P/N 2704506-4, as well as to identify the failure mode qualitatively to provide improvement recommendations for PT Indonesia AirAsia. The starter motor in the auxiliary power unit (APU) is a vital component that functions to start the operating cycle. The method used is a mixed method, with quantitative analysis through processing historical time to failure data from 20 unscheduled removal cases using the Weibull distribution, and qualitative analysis through failure mode and effect analysis. Data were obtained from the Aircraft Maintenance Manual, Component Maintenance Manual, and semi-structured interviews with engineers. The analysis results show a value of β = 2.029 (β>1) which indicates a wear-out failure pattern. The scale parameter η recorded 3,095.71 flight hours with a mean time to failure of 2,742.85 hours. Reliability projections show that at 2,800 hours, reliability drops to 44.23% with a failure probability of 55.77%. The FMEA analysis identified three failure modes: brush wear, terminal winding burn, and oil contamination. Of these, brush wear was the dominant failure mode, with 12 cases and the highest RPN value (252). The study concluded that starter motor failure is predictive and dominated by brush wear. The primary recommendation is to transition to a preventive maintenance strategy through visual inspection of brush wear indicators and scheduled replacement at 2,500–2,600 flight hours to reduce unscheduled removals and increase aircraft availability.
STRATEGIES, CHALLENGES, AND IMPLEMENTATION OF GENDER EQUALITY IN THE POLICE Erika Merdiana Armono; Syamsunasir; Kerta Widana; Waspada Tedja Bhirawa; Suroso; Dwikatama
Jurnal TNI Angkatan Udara Vol 5 No 1 (2026): Jurnal TNI Angkatan Udara Triwulan Pertama
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i1.194

Abstract

This study aims to analyze the implementation of gender mainstreaming policies within the Indonesian National Police (Polri) and identify challenges and gaps in their implementation. This study uses a qualitative approach with descriptive analysis methods to evaluate how the Indonesian National Police (Polri) has integrated gender equality principles into its operations and human resource policies, including policy documents, internal reports, and interviews with Polri personnel. The results indicate that although the Polri has demonstrated its commitment to gender mainstreaming through the issuance of Police Chief Regulation Number 1 of 2022, its implementation remains suboptimal. Significant disparities exist between male and female police officers in recruitment, promotion, and job placement. Female police officers (Polwan) often face certain limitations not experienced by male police officers (Polki), such as specific recruitment criteria and a lack of opportunities for open promotions. Consequently, the majority of female police officers remain confined to administrative and health roles, with few reaching senior leadership positions.
A COMPARATIVE ANALYSIS OF SPUKTA REGULATIONS: A STUDY OF VLOS OPERATIONAL PROCEDURES IN CONTROLLED AIRSPACE BETWEEN THE FAA, EASA, AND DGCA INDONESIA Muchammad Furqon; Ahmad Ilham; Ferdy Susanto; Kamal Muchdatas; Suroso; Salsabila
Jurnal TNI Angkatan Udara Vol 5 No 1 (2026): Jurnal TNI Angkatan Udara Triwulan Pertama
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i1.198

Abstract

This study aims to critically analyze and compare the SPUKTA VLOS operational procedure framework in the Control Area established by three major aviation authorities: the Federal Aviation Administration (FAA), the European Union Aviation Safety Agency (EASA), and the Directorate General of Civil Aviation (DGCA) Indonesia. The integration of Small Unmanned Aircraft Systems (SPUKTA) or drones into civil airspace, particularly in the Control Area (CTR), requires strict and uniform operational procedures. The most common Visual Line of Sight (VLOS) operations pose a high risk in controlled airspace if not properly regulated. Using a descriptive qualitative method with comparative content analysis of primary regulatory documents (FAA Part 107, EASA Reg. (EU) 2019/947, pm 37 of 2020 and PM 63 of 2021/CASR Part 107 Indonesia), the comparison focuses on five key procedural variables:Operational Clearance Mechanism, Operational Altitude Limit, Pilot Communication Requirements, Time Window Provisions, and Pre-flight Procedures. The results show that while the FAA and EASA offer mature systems (automated LAANC vs. risk-based Geozone), the Indonesian DGCA relies on manual permitting processes and local authority discretion. This disparity indicates a gap in regional automation and standardization. This study recommends that the Indonesian DGCA consider implementing a real-time authorization system and digital Geozone to improve compliance and efficiency of VLOS SPUKTA operations in the Control Area.
THE ROLE OF AIR POLICING IN ACHIEVING AIR SUPERIORITY: AN ANALYSIS WITH NATO AIR POLICING CASE STUDY Andri Gandhy; Suroso; Andrianto; Kurniawan; Dikatama Tsania; Muchammad Furqon
Jurnal TNI Angkatan Udara Vol 5 No 2 (2026): Jurnal TNI Angkatan Udara Triwulan Kedua
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i2.207

Abstract

Air policing serves as a critical mechanism for maintaining airspace integrity within nations or alliances, directly contributing to air superiority in military defense contexts. This paper analyzes the role of air policing in establishing and sustaining air dominance, focusing on the NATO Air Policing case study. Employing qualitative and quantitative approaches, including literature review, historical data, statistical tables, and graphs, we explore how air policing functions as deterrence, rapid response, and a foundation for broader military operations. The NATO case since 2004 demonstrates over 300 annual interceptions in recent periods, reinforcing alliance solidarity and preventing conflict escalation. In-depth analysis, enhanced by Analytic Hierarchy Process (AHP) for prioritizing factors, Monte Carlo simulations for risk assessment, and relevant theories such as deterrence theory and air power theory, reveals air policing as a strategic element supporting modern military doctrines where air superiority is prerequisite for ground and naval operations. Findings emphasize the integration of advanced technologies like radar and fifth-generation fighters to enhance effectiveness. This paper concludes that air policing is a foundational pillar for air superiority, with implications for global defense policies in geopolitical tensions.
PROPOSED DESIGN OF AN ACTIVE FIRE PROTECTION SYSTEM BASED ON K3 USING ALARM DETECTORS AND SPRINKLERS IN THE WORKING AREA OF AIR SQUADRON 17, HALIM PERDANAKUSUMA AIR BASE Irwana Syariadi; Waspada Tedja Bhirawa; Basuki Arianto; Suroso; Nur Priyanto; Dwikatama
Jurnal TNI Angkatan Udara Vol 5 No 2 (2026): Jurnal TNI Angkatan Udara Triwulan Kedua
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i2.212

Abstract

This research aims to develop a design proposal for an alarm detector and sprinkler system in the workspace of Air Squadron 17 at Halim Perdanakusuma Air Force Base. Aircraft hangars are work facilities with a high fire risk due to aircraft maintenance activities, the use of technical equipment, the storage of chemicals, and the presence of flammable materials. From an Industrial Engineering perspective, these conditions require the design of a safe, reliable, and sustainable work system through the application of Occupational Safety and Health (OHS) principles. One effective fire risk control measure is the implementation of an active fire protection system in the form of automatic alarm detectors and sprinklers. The research methods used included identifying potential fire hazards, analyzing fire protection system requirements, calculating the number and placement of alarm detectors and sprinklers based on applicable standards, as well as designing pipelines and summarizing material requirements. References used in the design included the NFPA 13 standard and national regulations related to OHS and fire protection. The results of the study indicate that the proposed alarm detector and sprinkler system design is capable of providing optimal fire protection throughout the hangar workspace. This design is expected to improve personnel safety, protect strategic assets, and support the operational continuity of Air Squadron 17. Furthermore, the results of this study can serve as a technical reference in designing fire protection systems in similar work facilities.
DOCTRINE TESTING FROM A COMPLEX SYSTEMS PERSPECTIVE CONVENTIONAL VERSUS CONTEMPORARY APPROACHES IN THE AXIOM-BASED DOCTRINE TESTING MODEL AND SYSTEM RESILIENCE Farrid Hidayat; Suroso; Kurniawan; Hidayadtullah; Muchammad Furqon; Tutikurniadinda; Rickydika; Nanda Fariedata
Jurnal TNI Angkatan Udara Vol 5 No 2 (2026): Jurnal TNI Angkatan Udara Triwulan Kedua
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i2.213

Abstract

This study aims to methodologically analyze the limitations of conventional doc trine testing approaches and compare them with contemporary complex systems-based approaches, using doctrinal axioms and system resilience as the basis for evaluation. Operational doctrine is traditionally tested through conventional approaches that emphasize normative compliance, historical precedent, and limited scenario-based simulations. This approach is based on the assumption of strategic and operational environmental stability and the linearity of cause-and-effect relationships. However, the dynamics of contemporary strategic and operational environments which are non-linear, adaptive, and produce emergent effects demonstrate a methodological gap between the reality of the system encountered and the doctrine testing mechanisms employed. The study uses a conceptual qualitative approach through a systemic-doctrinal analysis with a comparative method of epistemic assumptions, testing logic, and validity criteria of both approaches. The analysis shows that the conventional approach is prone to pseudo-validity because it assesses doctrine primarily based on procedural compliance, rather than systemic resilience to environmental change and operational disruption. In contrast, the contemporary approach offers a more structurally consistent evaluation framework in addressing the complexity of the strategic and operational environment. Therefore, doctrine testing needs to be reoriented from a normative verification model to a complex systems-based evaluation model as a structural methodological necessity. This research contributes to the development of a doctrine evaluation methodology that is more relevant to the study of contemporary defense doctrine and strategy.
OPERATIONS RESEARCH MODEL IN CONVENTIONAL MILITARY DECISION-MAKING Farrid Hidayat; Suroso; Farrithullah; Kurniawan Yudhana; Hidayadtullah; Muchammad Furqon; Adhi Sudhibiyo; Rahmayanti Febrien
Jurnal TNI Angkatan Udara Vol 5 No 2 (2026): Jurnal TNI Angkatan Udara Triwulan Kedua
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i2.214

Abstract

This study aims to analyze the robustness and risk of military decisions through the application of an operations research model based on sensitivity analysis. Conventional military decision-making has historically relied on doctrine, experience, and the intuition of commanders. This approach is adaptive, but has limitations in testing the resilience of military decisions to changes in strategic and operational parameters. The research methodology uses a quantitative approach with operations research modeling and sensitivity testing for key parameters such as time, cost, and risk. The main results indicate that military decisions based on operations research models have a more consistent level of robustness than conventional approaches. The study's conclusions confirm that operations research models play an effective role as objective and measurable military decision-support systems. This research contributes to strengthening the systems and decision science approaches in the study of conventional military decisionmaking.
BITCOIN AS A SYSTEM THAT RESISTS RECOVERY A NON-LINEAR SYSTEM DESIGN STUDY ON SCARCITY AND SECURITY Farrid Hidayat; Suroso; Kurniawan; Hidayadtullah; Muchammad Furqon; Farrithullah; Dikatamasania; Adhi Sudibiyo
Jurnal TNI Angkatan Udara Vol 5 No 2 (2026): Jurnal TNI Angkatan Udara Triwulan Kedua
Publisher : Staf Komunikasi dan Elektronika, TNI Angkatan Udara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62828/jpb.v5i2.215

Abstract

This study aims to structurally examine why loss of access to Bitcoin is permanent and to assess claims regarding the possibility of recovery, master keys, or backdoors in the Bitcoin system. This study departs from the general trend that positions Bitcoin solely as a monetary innovation, while its most radical aspect lies in its system design. Bitcoin is analyzed as a non-linear formal system that defines ownership through cryptographic facts, rather than through identity, intent, or social context. The methodology used is a conceptual-design analysis based on cryptographic studies, protocol architecture, empirical precedents of human error, and the implications of network consensus. The main results demonstrate that irreversibility and loss of access are not system failures, but rather direct consequences of Bitcoin's design axioms, which tie ownership to high-entropy private keys and reject all forms of discretionary authority. The analysis also shows that claims of backdoors, whether mathematical, implemental, hardware, or temporal, are structurally incoherent without undermining the fundamental assumptions of cryptography and decentralized consensus. The study's conclusions affirm that Bitcoin's resilience stems not from adaptive flexibility but from deliberate rule rigidity. This research's contribution lies in mapping Bitcoin as a system design artifact that resists recovery, while also expanding the Bitcoin discourse from the monetary realm to the study of system design, applied cryptography, and the philosophy of technology.
Co-Authors Adhi Sudhibiyo Adhi Sudibiyo Ahmad Ilham Andri Gandhy Andrianto BASUKI ARIANTO Caesar Pradewa Desiana Putri Dikasitama Dikatama Tsania Dikatamasania Djoko Herwanto Dwikatama Erika Merdiana Armono Farrid Hidayat Farrithullah Ferdy Susanto Feti Fatonah Hidayadtullah Irwana Syariadi Kamal Muchdatas Kerta Widana Kurniawan Kurniawan Kurniawan Yudhana Muchammad Furqon Muchammad Furqon Muchammad Furqon Muchammad Furqon Nanda Fariedata Nur Priyanto Rahmayanti Febrien Rickydika Salsabila Syamsunasir Tutikurniadinda Waspada Tedja Bhirawa Yogi Prisma