( ^ Ronal d J
. Hinderberge r Lea d Administrato r Delegate d Complianc e Org
. Commercia l Airplane s Th e Boein g Compan y P.O
. Bo x370 7 M C 67-L R Seattle , W A98124-220 7 

### JU N 

## 0 7 201 0 BDCO-10-02 3 7 2

U.S
. Departmen t

o f Transportatio n Docke t Operation s Wes t Buildin g Groun dFloor , Roo mW12-14 0 120 0 Ne w Jerse y Avenue , S E Washingto nD.C
. 2059 0 Subject : Model :
BDC O Projec t

No. : EAS A Projec t

No. : EAS A PT V Level : Respons e Requested : References : Petitio n o f Exemptio nfor

Ensolit e Paddin g o nBusines s Clas s Side-Facin g Seat s wit hInflatabl e La p Belt s Installe do nAi r

Ne w Zealan d77 7 Serie s Airplane s 777-300E R Note : Th e us e o f

Ensolit e o r

similar paddin g o nseat

monument s i s i n principa l applicabl e t o al l mode l Boein g airplanes
. PS09-088 5 N/ A N/ A Jun e 22 , 201 0 (a ) Boein g Letter

BDCO-10-02186 , "Revisio nA t o Certificatio n Initiatio nPackag e for

th e Certificatio no f

B/C Passenge r Seat s withInflatabl e Restraint s o n777-300E RAircraft , Certificatio nPlanNo . 6212" , date dMay 21 , 201 0 (b ) Transport

Airplan e Cabi nInterior s Crashworthines s Handboo k

A C 25-17 A Paragrap h81b(5 ) (c ) Boein g Lette r

B-7673-RA-11825 , "Delethalizatio no f Partition s an dothe r

Vertica l Surfaces" , date d Novembe r

28 , 197 8 Specia l Instructions : Respons e requeste dt o support Seat s Firs t

Articl e Inspectio nan d desig nfinalizationo f

Ai r Ne w Zealan d777-300ERWE05 1 Busines s Clas s Seats , schedule dfor Jul y 12-23 , 2010
. Thi s lette r

replace s Boein g lette r

BDCO-10-02044
. date dMay 24
. 201 0 an dit s Enclosures
.^ Pag e 2 U.S
. Departmen t

o f Transportatio n Docke t Operation s BDCO-10-0237 2

Petitio n fo r

Partia l Exemption : Th e referenc e (a ) projec t

include s th e installationan dcertificatio no f Contou r 'USC2 ' model side-facin g busines s clas s passenge r seat s withInflatabl e restraints
. Althoug hth e similar seat mode l 'F l 180 0 Series ' ha s bee n previousl y certifie db y th e FAA viaspecial condition s 25-187A-S C an d25-295-SC , 'USC2 ' wil l b e th e first installationo f thi s seat mode l o naBoein g 777-300ER
. Th e targe t

airplan e i s schedule dt o ente r int o servic e i nNovembe r 2010
. Withthi s letter , Boein g petition s for exemptio nfi-om1 4 CFR25.853(d ) Amdt
. 25-8 3 an dspecia l conditions , 25-187A-SC , 25-295-SC , 25-358-SC , 25-367-SC , 25-368-SC , 25-369-SC , an d 25-370-SC , limite dt o th e applicatio n o f energ y absorbin g material s a s directe db y specia l conditio n25-295-S C an dTransport Airplan e Cabi nInterior s Crashworthines s Handboo k A C 25

- 17 A Paragrap h81b(5) , referenc e (b)
. Energ y absorbin g foam s suc ha s thos e liste di nreferenc e (b ) an dth e enclose dreferenc e (c) , for th e purpos e o f

meefin g 1 4 CFR25.785(b),(d)(2),(k) , ar e no t capabl e o f

meetin g th e flammability requirement s o f 1 4 CFR25.853(d ) an dth e propose d exemption , i f

granted , woul dpermi t

installationo f

energ y absorbin g material , suc ha s one-inc h o f Ensolit e (Typ e AH , AHC , IV3 , HH C o r HH) , Klegecel l o r

Aire x 407 0 o nmultipl e Boein g airplan e models
. Boein g respectfull y request s tha t thi s exemptio nb e allowe drapi dapprova l i naccor dwit h th e provision s o f

1 4 CF RPar t

11.87(c)(d ) t o no t

publis hasummar y o f

th e petitio nfo r exemption
. Timel y respons e t o thi s petitio nwil l allo w fo r adequat e desig nHnalizatio nan d Firs t Articl e Inspectio n i n mi dJul y 2010 , assurin g appropriat e complianc e wit hHea d Impac t Criteri aRequirement s an do ntim e aircraf t deliver y t o Ai r

Ne w Zealan dwit hth e require dseat s installed
. T o substantiat e ou r

Petition , Boein g wil l b e submittin g proprietary informatio nt o th e FA A unde r separat e cover , an dreques t th e FA A t o hol di t

i naseparat e file. Thi s lette r

i s sen t for : (X ) Regulator y Review/Approva l Projec t Administrato r

Informatio n (X ) Projec t

Administrato r

(PA) : Han s Mostert

at (425 ) 717-117 5 (X ) Prospectiv e Projec t

Administrato r

(PPA) : Mik e Master s a

t (425 ) 544-678 9 Pleas e contac t

th e Projec t

Administrato r

o r Prospectiv e Projec t

Administrato r

i f yo u hav e an y questions
.^
. Pag e 3 U.S
. Departmen t

o f Transportatio n Docke t Operation s BDCO-10-0237 2

Th e informatio n bein g forwarde dt o th e FA A b y o r withthi s correspondenc e i s fo r th e exclusiv e purpos e o f

support o f application s for

o r amendment s t o Typ e Certificates , i s considere d proprietar y t o Th e Boein g Compan y and/o r it s suppliers , an di s provide do naconfidentia l basis
. Ver y trul y yours .
irda n B Zundel l Lea dProjec t

Administrato r

- Productio n& Retrofi t

Project s (425 ) 965-3531 , M C 67-L R FAX : (425)294-934 0 Enclosure : Boein g Lette r

B-7673-RA-11825 , "Delethalizafio no f Partition s an dothe r

Vertica l Surfaces" , date dNovembe r

28 , 1978 , referenc e (c )

cc : Nam e K . Patel S
. McCormic k J . Shelde n ST D FA A C PDis t Enclosure s N o Ye s Yes Ye s ED T

N o Ye s N o Ye s Comment s (FAA ) 6Y-0 1 (FAA ) 6Y-0 1 (FAA ) TSS-TA D (FAA ) 6Y-0 1cc : H.J
. Eadgc r, J.A
. Tcnivi t / / R.G
. wi^Ur'\^ / G.B
. K>U-i^<r< s C
. Orfjci k GI:b p ^ NO V2 S 197 8
. . .; • B-7G73-RA.-V!S2 5 "

Subject : '!r
. CC
. Schroeder , Chi&f , A-'ir'-Zl O

"nginc'iin'n g ?i !',anin'acturfn g Drinc h Ctlethalizalio n o f Part i Lion s a ott-.y rV'^rtica l S'jrfucc-s n d

S^Tlncise s o rles s y * T / '2-'~rr
- r - rr-r : n s 0 '

i 1 inc hEnsollt Q wil l b e appreciated . Du r e?rl yconsideratio n and concurrenc e "^f-r ytrul yyo\:rt , T H E BOein GCC?'PA:i Y
fi;'c:'^c^^-;.i;j ^