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HomeMy WebLinkAboutAudience Comment - WaddellPatrick Waddell N369JP,Hangar K USRA-SOFIA science/engineering,retired In red on the map H --Hangar A--Annual T--Training •The current version of the Renton Airport Master Plan outlines years of disruption for access and use of my aircraft by me and my family and maintaining currency.I also suffered through a 10 year waiting list for hangar space and feel strongly that the number of available hangars should increase,not be reduced. •As a taxpayer I am also troubled by the high expense of the design,as a significant gain in safety is not obvious nor required.The FAA Advisory Circulars (AC 1500-5000 &AC 150/5300-13A)describe in numerous ways that it is crucial to form a workable definition of the ‘most demanding aircraft,and that to fail to do so,by being unnecessarily conservative,can be uneconomical. •I believe that regular use at the level of 500 annual operations of standard category 737s implies flight hazard risk probability exposure for nearly 100,000 traveling citizens and that the Renton 737 operations are more akin to touch-and-go operations. •Regular operations of 737s implies aggressively scheduled flight activities within wide limits of permitted adverse weather,aircraft loading conditions,and advanced airframe aging.Departures for delivery of newly fabricated,exhaustingly pre-flighted 737s,and piloted by minimal flight crews with unique training and area familiarity are also what I would characterize as to touch-and-go operations. •After review of the Master Plan I do not believe a credible effort has been made to formulate the “most demanding aircraft”as required by the FAA.Also,if additional runway safety areas are required the plan is much more disruptive and expensive than other alternatives. /27Zc /ftc”1Ce f’r” — -- I— Spreadsheetmodelparametersfrom:(note:myworkneedsindependentreview!)AnalysisofAircraftOverrunsandUndershootsforRunwaySafetyAreasAirportCooperativeResearchProgram(ACRP)Report3,2002TransportationResearchBoardoftheNationalAcademiesAccidentRiskProbabilityComparisonsforKRNT&KBURLandingOverrun(LOOR)LandingUndershoot(LDUS)TakeOffOverrun(TOOR)1DEc051.01-01ODE-021,OE-04Ea1.01-O31.OE-051.OE-06101-07KBUR(+EMAS)&KRNT--roughlytoscaleACRPREPORT3Ancipii.olAfrirEfiOoErfl,.$iodUodR,$hRtSfo.RewoyEifrtyAroo...-.RNT-L009—RNT-LDU5———RNT-TOOR—————But-COOPBUR-COOSBUS-rOOD—•—fob.T/c-COOR—Tab,a/c-LOUt——foba/c-TOOtIDE-O82020202120222023202420252026202720282029203020312032203320342035