ASRS Air Carrier Reports Late Runway Change Incidents

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ASRS Air Carrier ReportsLate Runway Change
Incidents

• 466 total incident records were retrieved via
  Text Search from all Approach Phase records.
• Fixed Coding Fields - Approach, Go Around or
  Missed Approach
• Narrative Text Search Criteria - Runway Change,
  Switched Runway, Late Runway Change, Last Minute
  Clearance, Late Clearance

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ASRS Air Carrier ReportsAnnual Total Intake
Source NASA Aviation Safety Reporting System
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Air Carrier Late Runway Change Incidents
Aircraft Type Most Frequently Involved
Source NASA Aviation Safety Reporting System
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Air Carrier Late Runway Change Incidents
Aircraft Type Most Frequently Involved (Cont)
Source NASA Aviation Safety Reporting System
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Air Carrier Late Runway Change Incidents
Airspace Class
Data are not mutually exclusive therefore, a
single incident may be coded by an analyst as
involving more than one type of
information. Source NASA Aviation Safety
Reporting System
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Air Carrier Late Runway Change Incidents Top 15
Anomalies
Number of Incidents
Anomaly - (as defined by ASRS) an abnormality,
irregularity, or a deviation from expected
operation, typically a negative descriptor.
Data are not mutually exclusive therefore, a
single incident may be coded by an analyst as
involving more than one type of
information. Source NASA Aviation Safety
Reporting System
7
Air Carrier Late Runway Change Incidents Most
Frequent Locations
Source NASA Aviation Safety Reporting System
8
Air Carrier Late Runway Change IncidentsBy Year
Source NASA Aviation Safety Reporting System
9
Air Carrier Late Runway Change IncidentsBy Month
- Seasonal Pattern
Source NASA Aviation Safety Reporting System
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FMS/FMC Related Late Runway Change Incidents
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FMS/FMC Related Late Runway Change Incidents

• Sample of 50 incident records retrieved through
  Text Search from January 1998 to October 2005
• Most frequent airports reported within sample
  data were
• LAX JFK
• Top three anomalies from sample reports
• Non Adherence to clearance
• Non Adherence to published procedure
• Track or heading deviation

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FMS/FMC Late Runway Change Flight Conditions
n50
Source NASA Aviation Safety Reporting System
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Aircraft Type Coded for ASRS FMS/FMC Related Late
Runway Change Incidents
Number of Incidents
n50
Source NASA Aviation Safety Reporting System