Presented to:

Presented by: Don Arendt, Ph.D. FAA Flight Standards Service

Date: Oct 6, 2009

Federal AviationAdministrationSafety Risk

Management (SRM) Example

Federal AviationAdministration 2Safety Risk Management Example

SRM: A Practical Example

Adapted from a presentation delivered by Capt. Robert Sumwalt, U.S. Airways, Retired, Member, NTSB to whom we

extend our thanks.

Federal AviationAdministration 3Safety Risk Management Example

Risk Management “We manage risk whenever we modify the way we

do something to make our chances of success as great as possible, while making our chances of failure, injury or loss as small as possible.”

– FAA System Safety Handbook

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SMS Concepts: Risk Management

• Understanding the system and environment

• Identifying hazardous conditions

• Assessing risk

• Applying risk controls

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SystemAnalysis(Design)

HazardIdent

RiskControl

RiskAssmt

RiskAnalysis

Start

Outputs: To Safety Assurance

Design and Context

Specific Information: Gather Facts

Assessment: Decision making

Action Problem Resolution

Analysis: Making sense of the data

2.1 Hazard Identification

& Analysis

2.2 Risk Assessment

& Control

SRM

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System Analysis: Operational Process

Operations To: Hilton Head, SC (HXD)

• 14 CFR Part 91 Business/Executive Transport

• Medium Turbine A/C

• Professional Crews

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Facilities

Tower Open: 7:00 AM – 9:00 PM Local Runway 3/21: 4300’ - PCL

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Physical EnvironmentHILTON HEAD ISLAND, SCHILTON HEAD• NOTE: Rwy 3, numerous trees 328' from departure end of• runway, 428' left of departure end of runway, 86' AGL/• 106' MSL. Numerous trees 319' from departure end of• runway, 390' right of departure end of runway, 83' AGL/• 97' MSL. Rwy 21, numerous trees 39' from departure• end of runway, 357' right of departure end of runway, 94'• AGL/111' MSL. Numerous trees 368' from departure• end of runway, 332' left of departure end of runway, 73'• AGL/87' MSL. Numerous trees 1421' from departure• end of runway, 221' right of departure end of runway, 74'• AGL/91' MSL. Numerous trees 1207' from departure• end of runway, 329' left of departure end of runway, 85‘/99’ MSL

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Approaches Available

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Hazard Identification

HAZARDS

- No precision approach

- No operational tower at night

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Assess Risk

Hazard Risk Assessment Code No precision approach 3 (Seldom, Catastrophic)

No operational tower 3 (Seldom, Catastrophic)

Unlikely Seldom Occasional Likely

Catastrophic 2 3 4 4

Critical 1 2 3 4

Marginal 1 1 2 3

Negligible 1 1 2 2

PROBABILITY

SEVERITY

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Risk Assessment: Conclusion

High, unacceptable risk of approach/landing accidents at night or in low IMC conditions

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• Develop risk control options, then decide if benefits outweigh risk.

Make Risk Decisions & Develop Controls

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Alternatives

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CONTROLS

We will not use this airport:

between sunset and sunrise when control tower is closed, and

when the weather is forecast below 800/2.

HAZARDS - No precision approach

- No operational tower

Make Risk Decisions & Develop Controls

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Determining Residual Risk

Hazard Risk Assessment Code No precision approach 1 (Unlikely, Negligible) No operational tower 1 (Unlikely, Negligible)

Unlikely Seldom Occasional Likely

Catastrophic 2 3 4 4

Critical 1 2 3 4

Marginal 1 1 2 3

Negligible 1 1 2 2

PROBABILITY

SEVERITY

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““Carelessness and overconfidence are more Carelessness and overconfidence are more dangerous than deliberately accepted risk”dangerous than deliberately accepted risk”Wilbur Wright, 1901Wilbur Wright, 1901

Contact:Contact:Don Arendt, Ph.D.Don Arendt, Ph.D.

(703) 661-0516 (LL)(703) 661-0516 (LL)(703) 338-7746 (Cell)(703) 338-7746 (Cell)don.arendt@faa.govdon.arendt@faa.gov

Wilbur Wright gliding, 1901Photographs: Library of Congress