Getting to Grips with Approach-and-Landing Accidents Reducti(70)

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Complying with the sterile cockpit rule during taxi-out and taxi-in requires extra discipline as taxi phases often provide a relief between phases of high workload and concentration.
Interruptions / distractions during taxi is the main causal factor in takeoff accidents and runway incursions.
The sterile cockpit rule has been adopted by non-
U.S. operators and is also covered (although in less explicit terms) in the JAR-OPS 1.085(d)(8).
The sterile cockpit rule should be implemented with good common sense in order not to break the communication line between flight crewmembers or between cabin crew and flight crew.
Adherence to the Sterile Cockpit Rule should not affect:
.  
Use of good CRM practices by flight crew; and,

.  
Communication of emergency or safety related information by cabin crew;

The U.S. FAA acknowledges that it is better to break the sterile cockpit rule than to fail to communicate.
                                                                                       Getting to Grips with                                            Approach-and-Landing Accidents Reduction

The implementation of the sterile cockpit rule by cabin crew creates two challenges:
.  
How to identify the 10,000 ft limit ?

.  
How to identify occurrences that warrant breaking the sterile cockpit rule ?

Several methods for signaling to the cabin crew the crossing of the 10,000 feet limit have been evaluated (e.g., using the all-cabin-attendants call or a public-address announcement).
Whatever method is used, it should not create its own distraction to the flight crew.
The following occurrences are considered to warrant breaking the sterile cockpit rule:
.  
Fire, burning odor or smoke in the cabin;

.  
Medical emergency;

.  
Unusual noise or vibration ( e.g. evidence of tailstrike );

.  
Engine fire ( tail pipe or nacelle torching flame ),

.  
Fuel or fluid leakage;

.  
Emergency exit or door unsafe condition ( although this condition is annunciated to the flight crew );

.  
Extreme ( local ) temperature changes;

.  
Evidence of deicing problem;

.  
Cart stowage problem;

.  
Suspicious, unclaimed bag or package; and,

.  
Any other condition, as deemed relevant by the senior cabin crewmember (purser).

This list may need to be adjusted for local regulations or to suit each individual company policy.
Cabin crewmembers may hesitate to report technical occurrences to the flight crew (e.g., because of cultural aspects, company policies or intimidation).

Intra-Cockpit Communications – Managing Interruptions and Distractions in Cockpit
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To overcome this reluctance, the implementation and interpretation of the sterile cockpit rule should be discussed during cabin crew CRM training, and recalled by the captain during the pre-flight briefing.
Analyses of aviation safety reports indicate that the most frequent violations of the sterile cockpit rule are caused by the following:
　
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