submission - Independent Pilots Association

INTRODUCTION
PrinciPles and Guidelines for
Duty and Rest Scheduling in Commercial Aviation
David F. Dinges, R. Cunis Graeber, Mark R' Roækind,
Alexañder Saæ[, a¡d Hans Ìrd' tilegmann
(¡n aþhùetùnl ordcr)
Twenty-four Hour RequÍrements of the Aviation Industry
æct oPcrational dcma¡rds Grounù in global long'
cstic o'pcrations will continue o increasc these
: available to suPpqt 24-hour-aday operations to
tcrnuional aviatioo can also reqt¡ire crossing multiple
schedules,
Thesc
impairing
knowtedge an{ cùsnsver possibla inco'rpøaæ
circadian physiologr ino 24-bou cviatioo
cpcrations. fJriliz-¡ie¡ of zuch scientific i¡rforoatiø can help promote crew perfoElanoe ard alermess
drring flight operations and t¡c¡eby maintain and improve the safery margin.
Chaltenges to Human PhYsiologY
alertncss during operations. Over rhe past 4O 1æars,
physiolory, sleepinesValermess'
iñ.."d tigni¡c¿nrfv. Scientiñc
cnvhonænts, including ñeld urd simuluor studies
aviarcrs of performand-i-p"iting fatigue rcsulting from the slecp loss, circadian disnrption' and
y¡orkload engendered by cr:rrent flight and duty practices'
Hr¡mans a¡e ccntral ¡9 aviation operadons a¡d continue n perform cridcal fi¡¡lctions þ Ecct the
?*hotnrcquiremen¡5 of the industry. Tlrrefoæ, human physiological capabilides, and [i6itr¡is¡¡5,
rcmain *rà"t faaors in maintaining safety and produai"ity in aviaiæ-
Principles Based on Scientific Knowledge
Tbough ¡esca¡ch on fatigue, slecp and circadian physiology, and shift wort schedules has generatcd
- "*i"*i"e body of sciãndfic knowledge, rhe application of this information to the requircmens of
opcrational scnings is relativcly riew
increasing, is transfer to operatiors
counærDeåsr¡res) offen the greatest
schcduling pnacticcs rarely acknowledge or incorE
e
al