submission - Independent Pilots Association

225 Duty period- To rcduce vr¡t¡rcrabiliry to performar¡ce-impai¡int fatigue froo ex¡ended
hor¡rs of conrinuous wakefulncss u¡d polonged pcrids d condnuous performancc requireænts,
cr¡mut-dve dury pcr 24 hotrs should b limirc¿ h is ræomæ¡rded rhat this limi¡ nor c¡cccd
14 hq¡rs wirhú . Z+tro- perid (In ôc casc of additional flight cnew, scc scction 2-3-6-)
2J Flight DutY Periods
23.r Dcfinition: .lligh3 duty perbd'- Thc pcfiod of tiæ rhat bcgins wbcn a crew æmbcf
isrcqufuçdütbÊblæk-i¡
dæof ôc
-0iÉtsivitics
æd ffigÞt tirrç.
2l,2 Dcllnitíon: .tvindoç of drcrd¡u lon'- The wiodow of circ¡dir¡ bw is bcst
fc individrús ¡rpæ¿ o a r¡s¡l da¡wrkcrh[ttälcul¡¡Êd
Êrm s¡eatific dan o úc ci¡crdro bw of
¡eú fatig¡E), ¡Ddbody tcuPcrlnrL Frf,iÈtduty
odow of circadi¡n low is csÉt"'t¿d to bc@O o
lury pcriods ôr¡ c¡æ 4 q oac tirç zcncg tbc wi¡ôs
dcirc ôa¡ lw is estimaÞd þ be O2m o 060 home-bascldooicilc tioc fa ùc firs ¿ft bours only.
Aftcr r crÊw mbcr reolins mrtrç rhan ¿+t hor¡rs away froo boc-basddodicila thc wi¡dow of
circadir¡ tw is cstinarcd to bc @0 o 06ü) rÊfefrEd o lqt tiæ u tbc point of dcprura
233 StsDderd flight duty period- To redr¡cc vr¡l¡rerabiliry o pcrformancc-inpairing fuigttc
Êom exænded ho,¡rs of conti¡r¡or¡s vakefulness and prolongcd pcnods of continuos pøforoancc
or¡rs should bc limirc{ It is ¡ecomncnded üu fc
psriod not exæcd l0 hor¡rs wi¡hin a 24bot¡¡
ght scgæns a¡rd daY or night flYiDg'
23.4 Extended flight duty period- An extendç4t çrrrnsl¡tivc flight dury pcriod should bc
lirnitcd to 12 hor¡rs *irfrin e Z+tnro pcriod ro bc accompatricd by additional rcs¡rktims dld
scd on scicntific 6ndings frm a variety of sourccs'
r significanrly increascd rdncrability fr
t is readÍly æl¡owledged that in cr¡r¡e¡rt Practicc'
r opcrations. Howevcr, the available scþntific daa
donal practicc. Thc data indidc ürat pcrfcrmancefpu'lirnit
and coutd redr¡cc ütc sfcty roagiD-
Z3S Extended flight duty period: restrictions and compensatory off'duty periods-
If rbe cr¡mularive nigñr dury pcnod is cxandcd o 12 hor¡rs ú¡ea tbe fotlowing rcsriaioos and
cornperìsatory offdury pcrrods should bc applied'
A. Cwü.Idtíve fiec's: ¡tøin)n ct¿tulaíve hows of øeæion. Ovcr timc, cxænded flight duty
gue. To suPPorn opcrational flexibility and sill
it is rccommendcd th"t cxtcnded flight d¡¡Ìy Pcriods
or¡n within t 7 4zy Pcrio¿ Fcr example, Ûlcre could
be two 2-hor¡r exrensions of rhe s¡anda¡d lGhotr¡ flight dury period (2 x2 = 4 br) or for¡¡ l-hou¡
extensions(4xl=4hr)-
B. Flight dtuy periods dwing window of circadian bw.As describcd in Secdon 2.1.4, thc
window of ci¡äoan low (asdcfined in Section2.3.2) is assæiated wirh highø levels of
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