Risks and issues associated with aircraft models SR20 and SR22 at NASA ASRS
The risk assessment report prepared includes identification of risks and issues associated with aircraft models SR20 and SR22 at NASA ASRS. The risks identified can have a negative impact on the company’s capacity to perform operations. Thus, it is extremely essential to identify and manage these risks effectively. These evaluations will help the organization in the identification of these inherent critical success factors, as well as the implementation of procedures, strategies, and regulations to mitigate their influence on corporate performance.
- Purpose
Risk assessment is used to understand the extent of a threat and determine if mitigation actions are required to keep it within acceptable bounds. The goal of this risk assessment analysis is to assess risks, then eliminate or reduce them by adopting best practices as needed. Risk assessment should not be viewed as a goal in and of itself; rather it can be considered a means of reducing dangers to a level appropriate or manageable.
- Scope of the Risk assessment
The risk assessment report can be used to determine the possible dangers to human health and the environment posed by existing and emerging conditions, assuming the Facility is not further remedied. The risk assessment work plan is meant to include the majority of the risk evaluation sections so that any differences or discussions can be resolved before the risks are computed and the assessment is written. The risk evaluation project schedule explains how the risk assessment will be conducted and promotes conversations about the best strategies to analyse present and future hazards to the Facility.
To carry out the risk assessment successfully, various data have been carefully collected and organized to assess severity of risks involved. In this report, bow tie-method of Risk assessment has been used as the Risk analysing model.
- Participants/Details of the Safety Report Analysed
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Sequence No. |
ACN |
Synopsis |
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
581673 584007 601093 603582 609823 612314 618083 619893 622062 622717 623655 626436 629111 629227 633232 633433 633457 633484 641401 643696 |
Sr22 Plt Declares An Emer Due To Eng Partial Pwr Loss And Makes a Precautionary Lndg. a Cirrus Sr20 Tvs (Transient Voltage Suppressor) Caught Fire In Flt. An Emer Was Declared And a Safe Lndg Followed. An Sr22 Pilot Diverted For a Precautionary Landing When His Turbine Inlet Temperature Gauge Pegged At 2000 Deg. An Sr22 Pilot Experienced Low Oil Pressure Leading To An Engine Failure. He Declared An Emergency And Landed Safely On The Runway. Sr22 Plt Is 200 Ft Low In Cruise, With His Oximeter Reading 72% His o2 Saturation Was Very Low And Subsequently Found His o2 Hose Disconnected. An Sr22 Pilot Experienced Loss Of Oil Pressure, Shut Down The Engine, Declared An Emergency, And Diverted To The Nearest Suitable Airport For a Dead Stick Landing. SR22 pilot reports altitude deviation with autopilot on and altitude select at 9000 feet on the PFD. Loss of communication between PFD and autopilot is suspected. An SR20 pilot experienced a rough running engine shortly after take-off. The pilot returned to take-off airport and found the right magneto had failed. SR20 pilot reports left brake fails to release after application during landing roll, causing aircraft to depart the runway. Brake releases and aircraft is brought to stop on taxiway. This aircraft has a history of brake problems although maintenance can find nothing wrong and returns aircraft to service. SR22 pilot reports dual alternator failure at FL190 and descent and landing in IMC with battery power only. A SR22 pilot flying at night and fatigued heard a momentary strange engine sound. Uncertain what it might indicate or lead to, an emergency was declared followed by a landing at a nearby airport. The aircraft’s sounds returned to normal prior to landing. SR20 instructor pilot reports landing with locked brake causing aircraft to contact a snow bank and depart the runway. Distracted by an apparent cool running cylinder, the pilot of an SR20 cancelled his practice RNAV approach and was cleared for a visual approach to the airport. Inadvertently, he set up to land at a closer airport with a runway with a similar heading. ATC advised of the error and the pilot chose to make a precautionary landing at the second airport. An SR22 pilot was unable to hold short of a runway as cleared due to a brake malfunction. A landing aircraft made a go-around. The reporter continued to taxi, cautiously completed his flight and then grounded the aircraft for brake maintenance. SR22 nose gear collapsed on landing. |
- Risk Modelling- Risk modelling is used in industries where accepting measured risk is a necessary standard business practice. Organizations in the government and industry have started seriously to use a variety of risk computer modelling to address organizational, technical, administrative, and other categories of danger. Risk models have become more realistic as more information and advanced analytics are available are available now.
Bow tie evaluation, which is a basic method for determining where new or improved controls can be beneficial, has been used in this report. It is an important aspect of risk care planning, especially when there’s a massive risk involved or the preparing and planning is inadequate.
Analysis of Risk Assessment using the bow-time model of risk analysis
Bow-tie analysis
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Risk Description |
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Initial Risk Analysis |
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Potential Causes |
Risk Event |
Potential Consequences |
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List of causes 1. Engine and power plant failures 2. Failures in the fuel system 3. Instrument failures |
List of consequences 1. Accidents 2. Emergency landings 3. Loss of Resources/Lives |
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List of preventive Controls 1. Fatigue 2. Mishandling 3. pollution |
List of corrective Controls 1. Pre-flight checking 2. Repair/replacement of older aircraft machineries |
Engine and power plant failures- Engine and power plant failure in aircrafts can be caused due to the following reasons:
- Engine failures due to systemic failures, such as a damaged crankshaft, cranks, and piston might cause more than 18% of all engine problems, predominantly in European machines.
- Neglecting to repair damaged connectors or attachments, as well as failing to perform necessary dynamo service.
- Oil depletion caused by the pilot’s lack of understanding of how to reach the gas tanks, resulting in mechanical failure.
- Rusting, dirt, and humidity can all cause visible pollutants to enter the tank, jeopardising the fuel.
- Critical components such as filtration systems, purifiers, and the gas system itself become clogged as a result of the preceding pollutants.
- Fuel pump failures are caused by a variety of factors, including electrical issues and these issues can be identified from the beginning by using a high-quality digital voltmeter or ohmmeter. These equipment should be used to test for voltage dips and continuity to help uncover issues with inadequate electrical connections. Junked adapters, faulty cables, and burnt cabling and plugs are the most prevalent electrical problems.
- The breakdown of the vacuum or suction generator is one probable reason of instrument failure. A suction generator is mechanically powered by the engine and helps to provide this pressure or suction. When these injectors malfunction, the pilot’s inclination and direction indications become non – operational.
- Caution indicators or a discrepancy between the orientation indicator’s signals and the accompanying instruments are used to identify equipment or sensor failure. Airplane operation must be sustained while the malfunctioning equipment is identified. Ensure that the cross-check is completed quickly and that all aircraft equipment is included.
Aircraft Equipment Problem can be considered 4C in terms of ICAO’s 5×5 risk matrix and tolerability. Any time an aviation accident occurs, the consequences can be devastating. Not only people can be injured for the rest of their lives they can even lose their lives or the lives of their near ones. Regrettably, many aircraft mishaps are the consequence of somebody’s careless or irresponsible behaviour. It has a significant impact as it can cause not only detrimental accidents causing loss of lives, it can furthermore affect supply chain and cause larger impacts on industries solely dependent on aircrafts for shipping purposes.
Although the aircraft industry holds an excellent safety performance and practises, the accident rate in relation to aircrafts, both commercial and otherwise has only modestly improved in recent years. The following recommendation in light of Aircraft safety maintenance can be considered to avoid aircraft equipment problems and consequences associated with it.
- Incorporation of better Safety management Criteria-A good and efficient safety management policy can benefit employees by instilling trust and increasing morale, which leads to higher productivity. Most critically, it can assist a company in avoiding devastating incidents, making it more reliable and so gaining more customers.
- Hiring experienced Aircraft management team-The most essential advantage of aviation management is that it lowers the overall cost of aircraft management, enhances safe operation, improves efficiency and aggravation, and makes sure that the aircraft as well as lives of flyers are in safe hands.
- Regular aircraft checking and replacement of older parts-The important reasons for maintaining complete flight standard is to ensure the safety of all passengers who may be on board. Aircraft manuals include mandatory criteria that, if followed, will assist your aeroplane in complying with flying laws. Aircraft servicing and maintenance are conducted on a regular basis to ensure that passengers have a secure flight and arrive at their intended destination on time.
Conclusion
The risk assessment report provides a detailed analysis of risks involved with managing aircraft models SR20 and SR22 at NASA ASRS. Various data sampling have been recorder for this risk analysis report and the risk analysis have been generated using the bow-tie model of risk assessment and ICAO’s 5×5 risk matrix and tolerability. Factors Contributing to Aircraft Equipment problems of aircraft models SR20 and SR22 which are the main highlighted Risk in this report have been discussed in details and recommendations have been provided to manage these issues with better management skills and efficiency.
References
What kinds of mechanical issues can cause aviation accidents? (2021, May 5). Patrick Daniel Law. https://www.patrickdaniellaw.com/blog/mechanical-failure-aviation-accident-claims/
Safety, B. (2019). The importance of safety management. BRITE SAFETY. Retrieved January 17, 2022, from https://britesafety.com/blogs/news/the-importance-of-safety-management
Britton, T. (2020). Types of operational risk for airline SMS. Asms-pro.Com. Retrieved January 17, 2022, from https://aviationsafetyblog.asms-pro.com/blog/types-of-operational-risk-for-airline-sms-programs
Why is regular aircraft maintenance so important? (n.d.). Acornwelding.Com. Retrieved January 17, 2022, from https://www.acornwelding.com/blog/post/why-regular-aircraft-maintenance-so-important/
(N.d.). Bsigroup.Com. Retrieved January 17, 2022, from https://www.bsigroup.com/LocalFiles/en-IN/Resources/BRISK%20Report%20-%20Sample.pdf
Gautam_K. (2021, June 16). A career in Aviation Management – know all about courses, colleges, job profile, top recruiters. Embibe Exams. https://www.embibe.com/exams/career-in-aviation-management/
Flowers, L. (2019, July 9). Improving the aircraft maintenance management process. Fleetio. https://www.fleetio.com/blog/improving-the-aircraft-maintenance-manangement-process
8 steps to using Bow Tie Analysis for risk management. (2020, July 26). Many Caps Consulting. https://www.manycaps.com/blog/8-steps-to-bow-tie-analysis.html
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