The Engine Failure After Take-off and the Report That Followed
A Brunei-registered aeroplane suffers a partial engine failure shortly after take-off from a Brunei aerodrome. The commander lands safely; there is no injury and no structural damage, but the engine requires replacement and the operator grounds the aircraft. The commander mentions the event to a colleague, and a week later a local journalist asks the operator to confirm an "emergency landing". The operator's safety manager argues that because there was no injury and no damage to the airframe, the event is not reportable and should stay internal. The maintenance organisation has already begun stripping the engine.
1. Determine whether the event is a reportable occurrence and classify it, giving your reasoning.
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The safety manager's test - injury and airframe damage - is the wrong test. Reportable occurrences are defined by the nature of the event, not only by its outcome.
An engine failure or malfunction in flight is a classic reportable occurrence because it indicates a potential unsafe condition. The fact that the commander landed safely reflects good airmanship, not the absence of a hazard. The event should be assessed against the applicable occurrence-reporting requirements, which typically require notification of accidents and serious incidents to the investigating authority and reporting of incidents and other occurrences to the civil aviation authority.
Classification: this is not an accident, since there was no fatality, serious injury or substantial damage. It is an incident, and depending on the precise definition and the circumstances, potentially a serious incident if it indicated a high probability of an accident. The safe course is to report it promptly and let the authority determine the classification, rather than for the operator to decide unilaterally that it is not reportable.
Timing matters: initial notification should be made without delay, with a fuller report to follow once facts are established.
2. The maintenance organisation is stripping the engine. Explain the preservation obligations and how the operator should handle the media enquiry.
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Preservation. Once an occurrence is reportable, the operator must preserve evidence. Dismantling the engine before the investigating authority has been notified and has had the opportunity to examine it risks destroying the very evidence needed to establish the cause. The operator should stop the strip, secure the components, quarantine the engine and its records (fuel, oil, maintenance history, trend data), and preserve the flight data and cockpit voice recordings if fitted, together with the commander's notes and the technical log. Only when the authority confirms it does not require the evidence should work resume.
Media. The operator should not confirm or speculate on the nature of the event. A holding statement acknowledging that an occurrence took place, that the aircraft landed safely, that the matter has been reported to the authorities and that the operator is cooperating is appropriate. The operator should not release the commander's name, medical information or speculative cause. Communications should be funnelled through a single nominated spokesperson so that the operator does not create inconsistent accounts that later conflict with the investigation.
Internal. The safety manager's instinct to keep the matter internal should be corrected in writing; suppressing a reportable occurrence is itself a serious matter.