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SouthwestCirrus.com Near-Miss Analysis Predicting and Preventing General Aviation Accidents
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SouthwestCirrus.com Definitions STEEP TURN Excessive bank maneuver with massive loss of altitude
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SouthwestCirrus.com Definitions STALL A tactic used to explain higher AVGAS costs to the mortgage company
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SouthwestCirrus.com Definitions LAZY 8 SC Owner 7 Mechanics
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SouthwestCirrus.com Definitions DIVE Local pilot hangout
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SouthwestCirrus.com Definitions ANGLE OF ATTACK Pickup lines frequently used at the DIVE PILOT
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SouthwestCirrus.com Definitions SUITABLE LANDING FIELD The good-looking one
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SouthwestCirrus.com Definitions PRECISION APPROACH Performed at a suitable landing field with appropriate approach clearance
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SouthwestCirrus.com Definitions NEAR-MISS A Near-Miss is an opportunity to improve safety, health, environmental impact and security of an operation based on a condition or an incident with potential for more serious consequences. - Wharton Risk Center
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SouthwestCirrus.com Safety Pyramid Major Accidents Minor Accidents Incidents & Observations (Near-Misses) - Bird, F.E. Jr, 1996, “Practical Loss Control Leadership”
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SouthwestCirrus.com Safety Pyramid Major Accidents Minor Accidents Incidents & Observations (Near-Misses) - Bird, F.E. Jr, 1996, “Practical Loss Control Leadership” NTSB Accident Database ASRS Never Again I Learned… Individual Pilot Experience
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SouthwestCirrus.com Safety Pyramid Major Accidents Minor Accidents Incidents & Observations (Near-Misses) - Bird, F.E. Jr, 1996, “Practical Loss Control Leadership” NTSB Accident Database ASRS Never Again I Learned… Individual Pilot Experience
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SouthwestCirrus.com Incident/Accident Analysis Identification Reporting Prioritization Distribution Causal Analysis Solution Identification Dissemination Tracking
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SouthwestCirrus.com Safety Pyramid Major Accidents Minor Accidents Incidents & Observations (Near-Misses) - Bird, F.E. Jr, 1996, “Practical Loss Control Leadership” NTSB Accident Database ASRS Never Again I Learned… Individual Pilot Experience
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SouthwestCirrus.com Identification What, Where, When Preceding circumstances Flight conditions Aircraft condition Flight plan / flight log Other remotely-related information
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SouthwestCirrus.com Reporting You as Office of Primary Responsibility (OPR) ATC / FAA? Airport? NTSB? Manufacturer(s)? Trainers? Repair Station? Others?
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SouthwestCirrus.com Prioritization Life –Limb Environment –Economy Your priorities may not match other stakeholders Burden may shift, but not OPR
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SouthwestCirrus.com Distribution All stakeholders need access to info OPR must take the lead ASRS?
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SouthwestCirrus.com Causal Analysis Direct and root causes Why? OK, then why that? DIRECT CAUSE PROXIMATE CAUSE PROXIMATE CAUSE ROOT CAUSE PROXIMATE CAUSE ROOT CAUSE
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SouthwestCirrus.com Solution Identification Solution(s) for EVERY defined cause –Less than ideal solutions OK –“No solution for time being” Predetermine possible ancillary results
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SouthwestCirrus.com Dissemination Allocation of resources Action offices Limit to interested parties
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SouthwestCirrus.com Resolution Tracking Employment/Resolution Continuous process improvement Solution Identification Implementation ResultsDissemination Process Improvement
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SouthwestCirrus.com Case Study Subject: Electrical System From: XXX@aol.comXXX@aol.com Date: 9/19/2005 7:12 pm To: blorber@southwestcirrus.comblorber@southwestcirrus.com …As an aside, I had electrical trouble on the way to M3, left PMP heading North. Near Valdosta GA Alt 1 light came on. Didn't know or think to confirm, but was VMC daylight. Headed for Valdosta airport and on long final Alt 2 light comes on!! Made it to the ground, spent the night, scud run to Augusta in the AM, found that the voltage regulator for 1 had blown and the coupling for 2 was shot (so, where's that lottery win you mentioned?)… Subject: Electrical System From: XXX@aol.comXXX@aol.com Date: 9/19/2005 7:12 pm To: blorber@southwestcirrus.comblorber@southwestcirrus.com …As an aside, I had electrical trouble on the way to M3, left PMP heading North. Near Valdosta GA Alt 1 light came on. Didn't know or think to confirm, but was VMC daylight. Headed for Valdosta airport and on long final Alt 2 light comes on!! Made it to the ground, spent the night, scud run to Augusta in the AM, found that the voltage regulator for 1 had blown and the coupling for 2 was shot (so, where's that lottery win you mentioned?)…
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SouthwestCirrus.com Case Study Analysis Reporting: pilot and repair station Prioritization: High Distribution: N/A? Causal Analysis: –1) “Voltage regulator for 1 had blown” –2) “Coupling for 2 was shot” Solution Identification: Replace Both Dissemination: N/A? Resolution Tracking
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SouthwestCirrus.com Case Study Subject: Electrical System From: XXX@aol.comXXX@aol.com Date: 9/19/2005 7:12 pm To: blorber@southwestcirrus.comblorber@southwestcirrus.com …As an aside, I had electrical trouble on the way to M3, left PMP heading North. Near Valdosta GA Alt 1 light came on. Didn't know or think to confirm, but was VMC daylight. Headed for Valdosta airport and on long final Alt 2 light comes on!! Made it to the ground, spent the night, scud run to Augusta in the AM, found that the voltage regulator for 1 had blown and the coupling for 2 was shot (so, where's that lottery win you mentioned?) Fixed both, made it to Smyrna TN and Alt 1 comes on again! Voltage regulator again....hmmm. Found a field wire chafed and shorted against the engine, front right corner, fixed both and no more problems...... Subject: Electrical System From: XXX@aol.comXXX@aol.com Date: 9/19/2005 7:12 pm To: blorber@southwestcirrus.comblorber@southwestcirrus.com …As an aside, I had electrical trouble on the way to M3, left PMP heading North. Near Valdosta GA Alt 1 light came on. Didn't know or think to confirm, but was VMC daylight. Headed for Valdosta airport and on long final Alt 2 light comes on!! Made it to the ground, spent the night, scud run to Augusta in the AM, found that the voltage regulator for 1 had blown and the coupling for 2 was shot (so, where's that lottery win you mentioned?) Fixed both, made it to Smyrna TN and Alt 1 comes on again! Voltage regulator again....hmmm. Found a field wire chafed and shorted against the engine, front right corner, fixed both and no more problems......
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SouthwestCirrus.com Case Study Analysis Incomplete causal analysis Incomplete solution identification Repeat failure Distribution and Dissemination?
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SouthwestCirrus.com Near-Miss Analysis Be alert for “off-the-script” conditions Formalize analysis and solution tracking Report your results Critically analyze the results of others Eat good food, don’t litter, don’t talk to strangers, get plenty of rest, fly safe.
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