07/23/201 0 09:3 0 816329415 7 AC E 18 8 PAG E 02/0 4 

# O !•-•'• ' 1 V i l..;..v,.- : UiilrtllUl V U.S . Departmen t

^ . ' Smal l Aixplan e Directorat e o f Transportatio n 90 1 Locus t Stree t Kansa s City, Missour

i 6410 6 Federa l Aviatio n Administratio n 

### JU L 

### 2 2 201 0 Mr . Ki mHackett OD A Administrator , ODA-100129-C E Cessn aAircraf

t Compan y On e Cessn aBoulevard , P.O . Bo x 770 4 Wichita , Kansa s 67277-770 4 Dea r Mr . Hackett : Thi s i s i n respons e t o your Apri l 7,2010 , lette r

(Ref, : L 3 90-10-1190 ) petitionin g th e Federal Aviatio n Administratio n (FAA ) o n behal f o f Cessn aAircraf

t Compan y for

a n extensio n o f Exemptio n No . 9906 . That exemptio n from § 23.979(b)(2 ) o f Titl e 14 , Cod e o f

Federal Regulation s (1 4 CFR ) permit s Cessn at o receiv e typ e certificatio n approval o f th e Mode l 525 C serie s airplane s with anon-complian t typ e desig n fo

r th e pressur e reftielin g pane l for alimite d time . I n your petition , yo u explai n th e developmen t wor k an dsubsequen t

productio n introductio n caimo t b e feasibl y accomplishe dwithi n th e timeframe specifie di n th e exemption . Tlierefore , Cessn arequest s atim e limi t extensio n t o February 1 , 2011 , for incorporatio n int o productio n lin e requirement s o f

apressur e refuelin g pane l frilly complian t with th e requirement s o f § 23.979(b)(2) , an dunti l February 1,2012 , for retrofi t o f al l fielde dMode l 525 C serie s airplanes . Yo u als o stat e tha t

th e Mode l 525 C operator s hav e th e optio n o f overwin g refiielin g an dtha t yo u desir e t o allo w operatio n o f airplane s tha t

ar e no t modifie din accordanc e wit h Exemptio n No . 990 6 beyon dth e dat e for

retrofi t vi aaddin g th e followin g statemen t t o th e Airplan e Fligh t Manual (AFM) : "N o perso n may operat e th e pressur e reftielin g syste mo f thi s airplan e afte

r February 1 , 2012 , unles s th e pressur e reftielin g pane l ha s bee n modifie di n accordanc e wit h th e term s o f Exemptio n No . 9906, " Furthermore , yo u als o reques t o n Cessna' s behalf

, a n opportunity t o discus s procedura l option s fo r pursuin g apermanen t

grant o f exemptio n t o § 23.979(b)(2) .07/23/201 0 09:3 0 B16329415 7 AC E 18 0 PAG E 03/0 4

I n your letter , you reques t

upo n Cessna' s behal f

tha t th e FA A waiv e th e publi c commen t perio d for thi s exemptio n extensio n reques t fo r th e followin g reasons : "a ) Tlii s extensio n doe s no t se t an y regulatory preceden t

base do n th e previou s grant o f exemption . b ) Th e FAA' s previou s determinatio n o f publi c interes t

an deffec t

o n safet y are n o different for thi s extensio n reques t

tha n for th e original request . Cessn awil l continu e t o abid e b y th e othe r limitation s o f

th e original exemption . c ) An y delay i n aircraf

t delivery t o mee t

th e term s o f

th e origina l exemptio n wil l impos e a n advers e effec t

o n Cessn acustomer s an dCessna' s ability t o conduc t busines s operations , Cessn abelieve s tha t thi s i s contrary t o th e publi c interest . d ) Thi s petitio n fo

r extensio n wa s submitte di n a s timel y amaimer a s possible . A s state dabove , Cessn aha s bee n evaluatin g desig n option s fo r thi s ne w syste ma s rapidl y a s possibl e an dha s onl y recentl y determine dtha t i t i s not feasibl e t o accomplis h al l o f

th e task s require dfor

thi s effor t withi n th e allotte dtimeframe. " Th e FAA' s analysi s i s a s follows : Th e FA A partiall y agree s with th e petitioner' s argument .

• Cessn arequest s atim e limi t extensio n t o February 1,2011 , fo r incorporatio n int o productio n lin e requirement s o f apressur e refuelin g pane l full y complian t

with th e requirement s o f

§ 23.979(b)(2) , an dunti l February 1,2012 , for retrofi t o f al l fielded mode l 525 C serie s airplanes . Th e FA A agree s with Cessna' s exemptio n extensio n reques t for incorporatio n o f

afully § 23.979(b)(2 ) complian t pressur e refuelin g pane l int o th e production , lin e n o later tha n February 1,2011 . Th e FA A als o agree s with Cessna' s reques t t o retrofi t al l fieldedmode l 525 C airplane s n o late r than February 1 , 2012 . • Cessn astate s tha t

th e FAA' s previou s determinatio n o f publi c interes t

an deffec t

o n safet y i s n o different

fo r thi s extensio n reques t

tha n for th e original exemptio n request . Th e FA A agree s wit h Cessn aan ddetermine s th e justificatio n fo r th e issuanc e o f Exemptio n No . 990 6 remain s vali dwitl i respec t t o thi s exemption . • Cessn abelieve s tha t

an y delay i n aircraf

t delivery t o mee t

th e original exemptio n term s wil l impos e a n advers e effec t o n it s customer s an dbusines s operation s ar e contrary t o th e publi c interest . Th e FA A disagree s an ddetermine s i t i s no t i n th e publi c interes t

t o allo w aircraf t t o operat e beyon dth e limit s o f th e exemptio n wit

h operativ e pressur e refuelin g system s with noncomplian t pressur e refuelin g panels . Th e FA A als o disagree s wit h Cessna' s proposa l t o ad dastatemen t t o th e AFM prohibitin g th e us e o f th e pressur e refuelin g systemunti l th e pressur e refuelin g pane l i s modified . I n orde r t o allo w operatio n o f

aircraf t with noncomplian t

pressur e reftielin g panel s beyon dth e limit s o f th e exemption , th e pressur e refuelin g syste mwoul dhav e t o b e configtire di n amaime r i n whic h i t wa s physicall y impossibl e t o us e th e pressur e refuelin g syste munti l suc h tim e a s th e aircraf t are modifie di n accordanc e with Exemptio n No . 9906 . I n addition , th e AF M woul dhav e t o includ e th e appropriat e statement s an dcommensurat e placard s a t th e refuelin g station , describin g th e inoperativ e pressur e refuelin g system . • Cessn astate s thi s extensio n reques t doe s no t se t any regulatory preceden t

base do n th e previou s grant

o f exemption . Th e FAA agree s an ddetermine s goo dcaus e exist s for no t07/23/201 0 09:3 0 816329415 7 AC E 18 0 PAG E 04/0 4

publishin g asummar

y o f th e petitio n i n th e Federa l Register . Th e requeste dexemptio n extensio n wil l not

se t aprecedent , an dan y delay i n actin g o n tlii s petitio n woul db e detrimental t o Cessna . Additionally , th e FA A i s willin g t o liste n t o any proposal s Cessn aAircraf t Compan y ha s regardin g procedural option s for pursuin g apermanen t

gran t o f exemptio n t o § 23.979(b)(2) . Th e FAA' s Decision : I n consideratio n o f

th e foregoing , 1 fin dapartia l gran t o f exemptio n i s i n th e publi c interest . Therefore , pursuan t

t o th e authority containe di n 4 9 U.S.C . § § 4011 3 an d44701 , delegate dt o me b y th e Administrator , Exemptio n No . 990 6 i s hereb y amende db y extendin g it s Augus t 1 , 2010 , terminatio n dat e t o February 1,2011 , unles s soone r supersede do r

rescinded . Thi s lette r

shal l b e attache dto , an di s apart

of , Exemptio n No . 9906 . Fo r th e mode l 525 C airplanes , th e exemptio n a s extende di s subjec t

t o th e followin g condition s an dlimitations : 1 . Cessn aAircraf

t Compan y mus t

certif y an dincorporat e int o th e productio n lin e requirement s apressur e refuelin g panel , fully complian t with th e requirement s o f § 23,979(b)(2) , into th e Mode l 525 C airplane s n o late r tha n Februar

y 1,2011 . 2 . Cessn aAircraf

t Compan y mus t

retrofi t th e Mode l 525 C airplane s delivere dunde r th e term s o f th e exemptio n with th e ne w pressur e refuelin g pane l describe di n Conditio n 1 abov e n o late r

tha n February 1,2012 . 3 . Unti l th e incorporatio n o f th e abov e Condition s 1 an d2 o f thi s exemptio n ar e completed , Cessn aAircraf t Compan y mus t

display aplacar dat

eac h refiielin g statio n an dad dt o th e airplan e flight manual (AFM ) "Limitations " sectio n fo r th e Mode l 525 C airplane s th e limitatio n prohibitin g an y kin do f vehicl e o r

equipmen t

insid e define d area s o f fiiel ven t discharg e durin g airplan e refiielin g operations . 4 . Fo r airplane s subjec t

t o Conditio n 2 o f

thi s exemption , th e operatin g limitation s sectio n o f th e airplan e flight

manua l (AFM ) mus t

includ e th e followin g statement ; "N o perso n may operat e thi s airplan e afte r February 1 , 2012 , unles s th e pressur e refiielin g pane l ha s bee n modifie di n accordanc e with th e requirement s o f

1 4 CFR§ 23.979(b)(2). " Thi s statemen t

ma y b e remove dfromth e AFM afte r th e require dmodificatio n ha s bee n made . Thi s exemptio n terminate s o n February 1,2011 , unles s soone r supersede do r

rescinded . Sincerely , KimberlyK . ^t h / Manager , Smal l Airplan e Directorat e Aircraf t Certificatio n Servic e