submission - Independent Pilots Association

\t'h¡t ls Fatigue
The ob¡ccti'e of ¡hc rcgularions proposed in the NPR\Í is ro idcntr[ scheduling constraints that
will mini¡ruzc thc impact of pilot farigue rhar a¡iscs from duq'únr and slcep debt due to c¡er¡
schcdulcs. Thc rcnn "fariguc." has ya to bc dcñncd in ¡ concææ fashlon (Malrcr &, McPbcc,
l99a); Ilendclson. Richa¡dson & Roth. 1996). Fatigrrc. æ addresscd in the human pcrforrnance
tiæra¡r¡¡e. refcrs ro "dc¡erioruion in hurna¡¡ pcrformancc, uising as a conscqucncc of scveral
potcntiel f¡cto¡l including slccpincss"
dcfinitirn: -Slccpincss, æcordint to a.n
cli¡icizr¡, is ¡ brsic physiotogical strc (like) hr dGtP
i¡cre¡scs slccpirc r¡d rs hungcr or thirsr is revc¡siblc by ceting c drinking, nÊspcctively, slccp
r'ycnecs shcpirc- G,oah ct r¡., t9t9, citcd by Mcnddson, Ricb¡¡dsoo ¿1, Roth. 1996, 9.2).
tn kccping'with cunea3 thinlcing on tbc cooccf,t of fuigræ, M¡bcr aod McPhcc's ¡PPno¡ch ¡s t¡scd
bcre:
.Tariguc" must continue to bave tbc status of a hypolretic¿l constn¡ct, ar¡ eotiry
uhosc existcncc and di¡ncnsions a¡e inferrcd from antcccdcot ar¡d conscqucnt
evens or variablcs" (P. 34).
This ræ¿ns rhar farigræ is trea¡ed as a coocc¡ that occurs in æsponsc to predcfincd conditioos
a¡d bas physiological a¡¡d pcrformancc cons€gtrcnc¿s. Tbc antecedcot conditions of inærest bcre
rncludc:
o Trrrr on task. rncludlog flight ti¡r¡c and dury pnod dr¡¡a¡oo
¡ Trmc sincc a*ale wbcn þgrno.ng the dury pcnd
o Acute a¡d ch¡onic slccP debt
. Cr¡cadia¡ drsruptron. multiple timc zooes. -¿ 5¡¡¡ * -'rrk
The obje.-tit.esof this docurrrnt arc to rcr'iew the sctentlfic reseårs-h rn ordcr to:
o Idcnrify thc impacr of thesc a¡ltc¡cdent va¡iable; on hum¡n pcrformance
o Rclare ùcsc variables ro appropriate pbysiologicd rneasu¡es that have bccn derr¡onsrarcd
to þ æcomPantd by dccrcrrrnts in huma¡ prformance
Identify. to ¡hc ertent possiblc. limirarions and requirenËnts cooccrning dury* Pcrid durations.
mirumum slecp re4uirenËnrs. etc. thar should bc rcfìecad in the regulatioos.
I)teroture Revi¿v
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