05/07/201 B 12:2 4 816329410 6 SA D PAG E 02/1 0

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### DEPTOFTR'^NSPOR I U,S . Departmen t o f Transportatio n Federa l Avidtlei n Admlntetrario n MA R 1 7 201 Q ~ i f" ) n . [ " N

Mr . Sergi o August

o Vian adeCarvalh o Certificat e Manage r Embrae r Empreg aBrasilcir ad

e Aeronautic aS,A . Av . Brig . Fari aLima , 2170 , Putim , 12227-90 1 Sa o Jos e do s Compo s - S P Brazil Dea r Mr . Sergi o August

o Vian adeCaryalho ; W e ar e enclosin g a

n amendmen

t t o th e gran t of exemptio u fo r tb e petitio n yo

u submitte d o n Octobe r 11,2006 . Your

petitio n requeste d a

n exemptio n firo

mth e requirement s o f

§ 23.3(d) t o allo w certificatio n of

th e Embrae

f mode l BMB-505 airplan e i n th e commute r category , Whe n w e amended th e exemptio n t o Exemption No . 9302A , w e accidentall y mentione d th e SJ30- 2 unde

r th e las t paragrap h o f

th e petitioner' s supportin g information . W e apologiz e fo r th e error . W

e hav e correcte d th e ciro r

wiiliin th e attache d amendment . The remainde r of th e exemptio n i s th e sam

e it s Exemptio n 9302A . W e appreciat

e Embraer' s patienc e wit

h tlii s exemption . I

f yo u hav e an y questions , pleas e contact Mr , Kar l Schletzbauma

t th e above addres s o

r cal l hir ao n 816-329-4146 . Sincerely , Ki mSmit h Manager , Small Airplan e Directorat e Aircraf t Certificatio n Servic e Enclosure s05/07/201 0 12:2 4 816329410 6 SA D PAG E 03/1 0

cc : Hclio Tarquini o Junio r ANA C Progra mCertificatio n Manage

r Agenei aNaciona

l d e Aviaca

o Civil-Brasi l Gerenci aGera

l d e Certificaca

o d e Produto s Aeronautieo s Pea . Ma i Eduard o Gome s 50—^Vil

ada s Acacia s (predi o d

o CTA-IFI O 12228-901—Sa

o Jos e do s Campos—S P Brazil05/07/201 0 12:2 4 816329410 6 SA D

Exemptio n No . 9302 B UNITE D STATE S O F AMERICA DEPARTMEN

T O E TRANSPORTATIO

N FEDERA L AVIATIO

N ADMINISTRATIO

N KANSA S CITY , M O 6410 6

I n th e matter

o f th e petitio n o f Embrae f fo r a n exemptio n ftom§ 23-3(d) ofTitlel4 , Codeo f Federa l Regulation s RegnlatoT y OocUe t No . F'AA-a006-i665 9

AMENDMENT T O GRANT O F EXEMPTIO N B y lette r date d Octobe

r U , 2006 , Sergi o August

o Vian adeCarvalho , Certificatio n Manager , Embrae

r Bmpres aBrasileir ad e Aeronautic aS.A. , Av . Brig , Fari aLima , 2170 , Putim , 12227-90 1 - Sa o Jos e do s Campo s - SP , Brazi l petitione d th e Federa l Aviatio n Administratio n (FAA ) o n behal f of Embrae r fo r a n exemptio n fro

m1 4 CF R part

23 . 123.3(d) , Th e exemptio n wa s grante d o n Jun e 1,200 7 t o allo w th e EMB-50 5 t o b e certificated i n th e Commute r Categor y o f 1 4 CF R part 23 . Th e exemption , a s granted , allow s th e Embrae r mode l EMB-505 , atw o engin e turboje t airplane t o b e typ e certifie d i n th e commute r category . Under

1 4 CFR par t

23 , § 23.3(d) , th e commute r categor y i s currentl y limite d t o propelle r driven multiengin e aitoraft . Afte r grantin g th e exemption , th e FA A re-examine d th e Condition s an d Limitation s a s originall y granted , h i comparin g th e Condition s an d Limitation s t o th e tex t o f th e applicant' s exemptio n reques t

letter , th e FA A determine d that whil e Embrae

r ha d voluntaril y adopte d th e emergenc y landin g dynami c condition s o f 1 4 CF R part 23 , § 23,562 , (whic h at e no t require d fo r commute r categor y airplanes) , th e requiremen t t o compl y wit h thi s regulatio n wa s no t liste d i n th e Condition s an d Limitaiions . W e amended th e exemptio n t o ad d th e requiremen t to meet th e provision s o f

§ 23,56 2 t o th e Condition s an d Limitation s o f thi s exemptio n to positively asser

t tha t complianc e with § 23.56 2 iarequire d a s part o f th e grantin g o f

th e exemption . However , i n amendin g ^ e exemption , w e inadvertently mentione d th e SJ30- 2 withi n th e petitioner' s supportin g information . Thi s amendmen t correct s tha t

error .05/07/201 0 12:2 4 B16329410 6 SA D PAG E 05/1 0

Th e petitione r

require s relie f

fromth e followin

g regulation : Section 23.3(d ) prescribe s tha t "Th e commute r categor y i s limite d t

o propeller-driven , multiengine airplane s .... " Th e petitione r

support s it s reques t

wit h th e followim

g information : (NOTE : Th e followin g i s fro mth e petitioner' s lette r o f Octobe r 11 , 2006. ) "Summar y o f Regulatio n an d Descriptio n o f th e Relie f Sough t b y Petitio n '•1 4 CF R § 23.3(d) "Th e commute r cate|;or y i s limited t

o propeller-driven , multiengine aiqplane s tha t hav e a seatin g configuration , excludin g pilo t seats , of T 9 or less , an d amaximu

mcertificated takeof

f weigh t o f 19,00 0 pound s o

r less . The commute

r categor y operatio n i s limite d t

o an y maneuve r inciden t to norma l flying , stall s (excep

t whi p stalls) , an

d stee p turns , in whic h th e angl e of ban k i s no t mor e tha n 6 0 degrees . "Petitio n Summar

y "Embrae r seek s relie f

fhj mth e limit

i n 23.3(d) tha

t permit s onl

y propeller-driven airplane s t o b e certificated i

n commute

r category . Thi s petitio n wil l allow certificatio n o f th e lurbojet/turbofan-powered Embrae r EMB-50 5 i n the commute

r categor y o f 1 4 CF R Par t 23 . "Wh y Grantin g thi s Petitio n will Resul t i n aLeve l o f Safet y at leas t Equa l t o tha t Provide d b

y th e Rul e Fro mWhic

h Sxemption i s Requested "Embrae r believe s tha

t certificatio n i n th e commute r categor y o f 1 4 CF R Par t 2 3 o f turbojet/turbofan-powered airplane s wit h gros s weight s betwee

n 12,50 0 lbs , an d 19,00 0 lbs , i s justifie d o n safet y grounds . A s described i

n mor e detai l below , ther

e i s asignifican

t increas e i n th e leve l o f safet y provide d b y je t

powere d airplane s compare

d t o turbo-propelle

r powered airplane s o f

th e sam e weight . Thi s overall increas e i n safet y significantl

y outweigli s th e smal

l increase s i n th e level o f

precautio n require d i

n som e particula r situation s (a s discussed below) . "Safet y Comparison betwee

n Turbojet[/Turbofan

J an d Turboprop-powere d Airplane s "Simila r to th e jum p i n safet y an d robustnes s provided b y turboprop s compared t o reciprocating engines , turbojet[/turbofan]-powered,airplane s ar e similarly safe

r an d mor e capable tha

n thos e wit

h turboprops . I

n almos t ever y respect , aje t

[turbojet/turbofan]-engin

e airplan e i s safe r tha n asimila r airplane wit

h turboprops .05/07/201 0 12:2 4 816329410 6 SA D PAG E 06/1 0

"Tir e propulsio n syste

mi s significantl

y mor e reliabl e becaus e th e complexit y of th e propelle

r an d it s governin g syste

mi s removed . In addition t o that , th e remainin g failur

e mode s ar

e mor e benig n becaus e propelle

r failure s ar e eliminate d an

d th e engine-out

handlin g qualitie s ar e muc h bette r tha n thos e o f turboprops . Handling qualitie s i n genera l ar e better becaus e o f the lac k of propelle r effect . Th

e cockpi t environmen

t i s muc h improve d du e t

o lowe r level s o f nois e an d vibration , which cause s les s cre w fatigue , "Th e exces s thrus t

fo r aje t i s significantl

y highe r i n bot h th e norma

l all-engin e configuration a s well as wit

h on e engin e inoperative , which provide s muc h bette r clim b performance . Th

e highe r exces s thrus t

als o provide s mor

e protectio n fro

mth e advers e effec

t o f icin g o n performance . The performanc e fro mje t engine s provide s th e abilit

y t o clim b abov e muc

h advers e weathe

r lik e icing , turbulence , an

d embedde d thunderstorms . Th e higlie r cruis e speed s provide more/ibilit

y t o maneuve r aroun d weather . "I n astud y done fo r th e Internationa

l Busines s Aviatio n Council , Rober t Bieilin g an

d Associate s conducte d a

n analysi s o f

accident s in busines s aircraf t tha t occurre d worldwid

e betwee n 199 8 and 2002 , Thi s stud y provide s agood wa

y t o loo k a t th e level of

safiit y provide d b y turbojet[/turbofan ] an

d turbopro p airplane s becaus e i t

focuse s o n atyp e of operation wher

e th e flee t siz e an d operatin g hour s ar

e relatively balance d between th e two type s o f airplanes . Althoug h commercia l aircraf t acciden t datai s typically mor

e reliabl e du e t o bette r recordkeepin g an

d du e t o mor e in-dept h acciden t investigations , th e fleet

i s mor e heavil y skewe d t o turbojct[/turbofan ] engines . Th e repor t separate s th e dat aint

o differen t categories , lik

e typ e o f operatio n (charte

r o r Par t 91) , professionally-flown compare d t o owner-flown , an

d between turbojets[/turbofans ] an d turboprops . "Th e overall acciden

t rate fo r turbojet[/turbofan]-powere d busines s airplane s i s thre e time s lowe r tha n tha t fo r simila r turboprop s (0,53/lOOK

hour s compared t

o 1.47/lOO K hours) . Th

e fata l acciden t rat e show s roughly th e sam

e differenc e (0.16/100 K

hour s compare d to 0.53/lOO K hours) . Thi s i s aclea

r indicatio n tliat , fo

r airplane s bein g use d i n asimila r operatin g environment , je t

[Turbojet/Turbofan]-engin

e airplane s provid e asignificantl y highe r leve l of safet y tha n turboprops . "Certification Requirement s i n Exces s o f

1 4 CF R Par t 2 3 "A s par t o f th e certificatio n basi s of

th e EMB-505 , Embrae

r wil l voluntaril y adop

t th e emergency landin g dynami c conditio n requirement s o f Amendmen

t 5 0 to 1 4 CF

R § 23.562 . Thi s i s currently not

require d fo

r certificatio n i n commute

r category , bu t

wil l provide fo

r increase d occupan

t protectio n in th e even

t o f acras h lardin g compared t o th e existin g requirement s i

n 1 4 CF R Par t 23 .05/07/201 0 12:2 4 816329410 6 SA D PAG E 07/1 0

"Situation s whe

n Turbojetsf/Turbofans J Ma y Requir e Highe r Level o f Precaution s "Ther e ar c som e situation s whe

n aje t [Turbojet/Turbofan]-engin

e airplan e ma

y requir e highe r leve l of precaution s becaus e o f

th e operating environmen

t o r becaus e o f

specia l characteristic s of je t [Turbojet/Turb o fan]-engine airplanes , bu t in thes e case s ther

e ar e either specia l certification requirement s tha t provide compensation o

r othe r mean s (lik e pilo t

training ) will b e use d t o addres s th e hazard . "Je t [Turbojet/Turbofan ] airplane s will operat e a t highe r altitudes , wher

e th e risk o f decompression sicknes s o

r hypoxi ai s highe

r i n the even

t o f cabi n depressurization , bu t th e EMB-505 wil l show compUance t o th e high altitud

e specia l conditio n whic h i s designe d t o compensat e fo r th e ris k fro mthi s mor

e hazardou s environment . "Th e highe

r operatin g speed s o f

je t [Turbojet/Turbofan] airplane s coul d liav e a n advers e impact o n fli^ t crew workload , but

the EMB-505 wil l b e certificate d t o th e sam e workloa d standard s of

1 4 CF R § 23,152 3 fo

r al l approve d kind s o f operatio n (VFR , IFR , day/night , icing , RVSM) . Th

e huma n factor s centered desig

n an d certificatio n proces s will b e simila r t o tha t use d fo r Par t 25 , "Som e smal l jet s [Turbojets/Turbofans ] hav e ha d runwa y overruns , normally o

n landing . Thes e problem s hav e not

typically bee

n du e t o aircraf t desig n problem s o

r syste mfailures , bu

t rathe r fixjmpilot s failing t

o pla n an d fly th e approache s s o the y reliabl y touc h dow n i n the touchdown zon e a

t th e correc t

speed . Becaus e thi s issu e i g mor e relate d to pilo t

behavior tha n design , Embraer' s abilit

y t o influenc e thi s issu e i s limited , bu t w e do pla n to augmen

t th e stopping abilit

y o f th e EMB-50 5 a s muc

h a s possibl e wit

h th e provision s o f

anti-ski d an

d groun d spoile r systems . This , couple d wit h specia l emphasi s durin g hainin g of th e importanc e o f

airspee d an

d glidepat h contro l durin g approach , wil l minimiz e th e probabilit y o f overrun s in service . "FAA' s FA R 125/12 5 AR

C "I n 2003 , FA

A chartere d agrou

p t o examine arang e o

f regulator y issue s includin g ne

w aircraf t type s an d technologies . A s par

t of thi s effort, aworking grou

p examined 1h

e certification requirement s fo r small jets . Thi s grou

p reviewe d the applicabl e Par t 2 3 requirement s an

d th e specia

l condition s tha

t hav e bee n levie d fo r Par t 2 3 jets . The

y als o reviewed datafi-omove

r 600 accident s tha

t occurred i n busines s jets , Par t 2 3 turboprops , an

d ligh t twin s les s tha

n 6,000 lbs , "The grou p determine d tha

t th e existin g Par

t 2 3 requirement s ar

e a n appropriat

e certificatio n standar d fo r jet s u p t o 19,00 0 lbs . Tli e grou

p expressed the concer

n tha t to levy additiona

l requirement s woul d serv e a s a n economi c disincentiv e t

o th e developmen

t o f safe r airplanes .05/07/201 0 12:2 4 816329410 6 SA D PAG E 08/1 0

"Wh y th e Grantin g o f

Thi s Exemptio

n Petitio n Woul

d b e i n the Publi c Interes t "A s outline d abov e th e grantin g o f thi s exanptio n woul d actually improv e th e level o f safet y compare d t o othe r airplane s certificate d i n thi s category , Thi s i s obviously i n th e publi c interest . "Certificatio n i

n commute

r categoi y will allo w th e EMB-50 5 t o b e certifie d fo r lowe r cos t compare d t o transpor t category . Thi s cos t

saving s will allo w th e benefit s o f safe r je t [Turbojet/TurbofanJ-powered trave l t o b e availabl e t

o mor e of th e genera

l pubhc . "Althoug h th e EMB-50 5 wil l b e manufactured outside th e Unite d States , man y o f th e supplier s of

system s like th e avionics , flight controls , ari

d mechanica

l system s ar

e fro mth e United States , s o thei; e wil l b e benefit s to th e America n econom y fro mincrease d gros s domesti c product , increase d ta x revenue , and improvement s i n th e America n balanc e o f

trade . Thes e benefit s wil l accru e t o th e genera l America n econom y whic h i s i n th e publi c interest . "Operatin g wit

h th e Exemption outsid

e th e Unite

d State s "A s a n airplan e manufacturer , Embrae r wil l no t operat e unde r tlii s exemptio n outside th e United States . Owner s and operator s o f US-registere d EMB-505s , whic h wil l hol d U S certificate s of

airworthiness , will b e able to operat e outsid e th e Unite d States . "ICA O Anne

x 8 doe s no t

includ e provision s fo

r aspecifi c certificatio n categor y simila r t o commute r category . Certificatio n o f

airplane s abov e 12,50

0 lbs , (5,70 0 kilograms ) maximu m, takeof f weigh t wit h 1 4 CF R Par t 23 , regardles s of

typ e o f propulsion , i s therefor

e teclinically not complianc e wit

h Anne x 8 , FA A ha s previously filed adifferenc e wit h ICA O addressin g thi s issu e and th e grantin g o f thi s petitio n i s withi

n th e limit s o f

tha t filing . "Summar y "A s outline d above , th e small [turbojet/turbofian ] jet s provide asignificantly higher level of safet y tha n turboprop airplanes . Th e benefit s i n reliability , failur e effect , huma

n factors , an

d performanc e provide d b y [turbojet/turbofan ] jet-powere d airplane s ar e reflecte d in acciden

t rates . I n th e specifi c area s where jet s hav e design-relate d difference s wher e th e ris k fo r jet s i s higher , specia

l condition s wil l b e use

d t o impos e Par

t 25-lik e requirements . "The introductio n o f

small jet s lik e th e EMB-50 5 wil l do muc h t o increas e th e leve l o f safet y afforde d t o th e publi c desirin g to us e thi s typ e o f transportation . T o lev y increase d requirement s lik

e thos e i n Par

t 2 5 wil l ad d littl e o r nothin g t o safet y whil e significantl

y increasing cost , an

d ma y actually resul t

i n alowe r level o f safet y b y impedin g th e developmen

t of cost-competitiv e turbojet[/turbofan ] powere d airpl anes ,05/07/201 0 12:2 4 816329410 6 SAD PAG E 09/1 0

"Embrae r believe s tlia

t gi-antin g thi s petitio n woul d serv e th e publi c interest . The highe r leve l o f safet y of [turbojet/ ] turbofa n engin e aircraf

t the n [sic ] turbopro

p an d th e high leve l o

f technologica

l developmen

t o f thes e ne w smal l (turbojet/ ] turbofa n airplane s ha s created th e potentia l fo r simple , low-cos t

aircraf t wit h agreate r utilit y an d highe r level o f safety . Thi s increased leve

l of safety , coupled wit

h the economi c benefit s describe d above , ar e sufficien t t o mee t the requirement s of

1 4 CF R § 11,8 1 t

o justif y th e grantin g of

thi s petition. " Comments o n pubhshe d petitio n summary : A summar y o f thi s petitio n wa s pubhshe d i n th e FEDERA L REGISTE

R fo r publi c commen

t o n Januar y 31,200 7 (7 2 F

R 4557) . The coinmen

t perio d dose d Februar

y 20,2007 . N

o comments wer

e received . Tli e FA A ha s reviewe d th e petitioner' s supporting infoTmatio n an d provide s th e following : T o obtain thi s exemption , th e petitione r mus t show , as require d b y § 11.81 , that : (1 ) granting th e reques t i s i n the publi c interest , an

d (2 ) the exemption wil l no t adversely affec

t safety , o r tha t aleve l o f safet y wil l b e provide d tha

t i s equa l t o tha t provide d b y th e rule s fro

mwhic h th e exemption i s sought . While no t agreeing wit

h th e petitioner' s ever

y detail , th e FA

A agree s wit

h th e substanc e of

the supporting informatio n an

d finds n o reaso n to den

y th e petition . O n Octobe r 9 , 2006 , Embrae

r applied fo r typ e certificatio n o f

th e EMB-50 5 amultiengine turbofa n aircraf t i n th e commute

r categor y unde r 1 4 CF R par t 2 3 includin g Amendments 23- 1 throug h 23-55,1 4 CF

R 3 4 and 36 , an

d specia l conditions . Whil e th e comhiutc r categor y represent s a

n overal l highe

r level of sa,fet y tha n th e norma

l category , th e commute

r categor y i s limited t o propeller-driven , multiengine airplanes . The specia l conditions , whic h mainl

y addres s airplan e performance , i n conjunction wit

h par t 2 3 commute

r categor y standard s provid e alevel o f safet y fo r th e EMB-50 5 tlia

t i s abov e par t 2 3 norma l categor y an d i s appropriat e t o aturbofan-powere d busines s jet . Regarding publi c interes t

w e behev c tha

t granting th e exemptio n help s realiz e th e potentia l publi c benefit

create d b y th e adven

t o f newe r smalle r turbofa n engines . Th e resultant

simpler , lower-cos t busines s jet s havin g weight s u p to 19,00 0 lbs . provide th e publi c wit h greate r utilit y an d a n extende d rang e of

choices . I n consideratio n o f

th e foregoing , I find tha

t agran t o f exemptio n i s i n th e publi c interes t an d will not adversely affec

t safety . Therefore , pursuan t t o th e authorit

y containe d i n 4 9 U,S,C , § § 4011 3 an

d 44701 , a s amended , delegate d t o m e b y th e Administrator , Embrae r i s granted exemption fro

m1 4 CF R § 23.3(d) , t

o th e exten t necessar y t o permit typ e certificatio n o

f the EMB-50 5 airplan e i n th e par

t 2 3 commute

r category . Thi s exemptio n i s subject t o th e followin g condition s an

d limitations . 605/07/201 0 12:2 4 816329410 6 SA D PAG E 10/1 0

Condition s an d Limitation s Conditions : 1 . Th e EMB-50 5 shall no t

b e eligibl e fo

r operation s under

1 4 CF R par t 121 . A not

e t o thi s effec t will b e place d o n th e typ e certificat e datasheet , 2 , The EMB-50 5 maximum, certificate d takeof f weigh t shall no t excee d 19,000 pounds . 3 . Th e EMB-50 5 shal l hav e aseating configuration , excludin g pilo t scats , o f 1 9 o r fewer . 4 . The EMB-50 5 shal l comply wit h § 23.56 2 a

t aroendm,en

t leve l 23-5 0 (the lates t amendmen t a s o f Octobe r 9 , 2006 , th e dat

e o f appUcation. ) Issue d in Kansa s City , Missour i o n Marc h 17 , 2010 .

Ki mSiDltb Manager , Smal l Airplan e Directorat e Aircraf t Certificatio n Servic e