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Erstellt / Aktualisiert 22.01.2018 / 23.01.2020
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0 Exakte Antworten 11 Text Antworten 66 Multiple Choice Antworten
Fenster schliessen

The new Boeing 787 Dreamliner has just been certified in the USA according to

FAR 23

CS 23

FAR 25

CS 25

Fenster schliessen

According to the practical safety objectives defined by the FAA, minor failure conditions

may be probable (can occur one or more times during the operational life of each airplane)

must be remote (are unlikely to occur to each airplane during its total life but may occur several times when considering the total operational life of the whole fleet)

must be extremely remote (are not anticipated to occur to each airplane during its total life but may occur a few times when considering the total operational life of the whole fleet)

must be extremely improbable (are not anticipated to occur during the entire operational life of the whole fleet)

Fenster schliessen

The Failure Hazard Analysis (FHA) identifies

the possible failure conditions

the probability of specific failures

the effects of failure conditions

the system redundancy requirements

Fenster schliessen

Many aircraft operators adhere to SOAP (Spectrographic Oil Analysis Program). In this program, oil samples taken from engines installed on aircraft in serviced are periodically analysed to detect traces of iron and other metals. This gives the operators an early warning of abnormal wear which could be due, for example, to a failing bearing, or to external factors such as operating in a dusty environment. This maintenance concept is known as

hard time

reliability control

on condition

condition monitoring

Fenster schliessen

The noise emission limitations for aircraft certified in Europe are contained in

FAR 25

CS 25

FAR 36

CS 36

Fenster schliessen

According to the practical safety objectives defined by the FAA, hazardous failure conditions

may be probable (can occur one or more times during the operational life of each airplane)

must be remote (are unlikely to occur to each airplane during its total life but may occur several times when considering the total operational life of the whole fleet)

must be extremely remote (are not anticipated to occur to each airplane during its total life but may occur a few times when considering the total operational life of the whole fleet)

must be extremely improbable (are not anticipated to occur during the entire operational life of the whole fleet)

Fenster schliessen

Assuming no common cause failure, the combined failure rate of two independent systems is

the sum of the respective failure rates

the product the respective failure rates

equal to the highest failure rate of each system

equal to the lowest failure rate of each system

Fenster schliessen

Aircraft brakes are fitted with brake wear indicator pins. These are checked regularly during aircraft operation to compare brake wear against a specified limit. This maintenance concept is known as

condition monitoring

on condition

hard time

reliability control