PPR-07-201 0 11:3 2 FP P RENTO N P.02/0 3 

# O U.S . Departmerrf o f Transportatio n Federa l Aviatio n Administratio n Transpor t Airplan e Directorat e 160 1 Lin d Avenue , S.W . Renton , Wasliingto n 98067-335 6
Apri l 6,201 0 Mr . C.Nham Senior Projec t Manage r Fixe d Win g Larg e Transpor

t Aircraf t Nationa l Aircraf t Certification , Civi l Aviatio n Transpor t Canad a Aircraf t Certificatio n Branc h (AARDE ) 3" * Floor , Towe

r C , Plac e D e Vill e 30 0 Spark s Street Ottawa , Ontari o Canad a K l A 0N 8 Dea r Mr . Nha m W e hav e receive d your

Februar y 25 , 2010 , correspondenc e transmittin g arepor t on behal f o f Bombardie

r Aerospac e i n suppor

t o f their petitio n fo r exemptio n fromTitl e 1 4 Cod e o f Federa l Regulation s (1 4 CFR) 25.981(a)(3 ) fo r their CL-600-2E25 , CRJ-100 0 airplane . You r request , which w e submitte d to th e Departmen t o f Transportation' s Federa

l Documen

t Managemen

t System , o n your

behal f (Docke t No . FA A 2010-0287 ) will b e processe d by thi s office whe

n you provid e al l necessar

y information . Pleas e refe

r t o 1 4 CF R 11.8 1 fo r instruction s about

wha t informatio n you mus t

include i n you

r petition s fo

r exemptio n fo

r u s t o proces s you

r request . Tak

e particula r not e o f item s liste d below , a s thes e item s wer e missin g fromyour

origina l reques t

• Th e exten t of relie f yo u see k an d the reason s fo

r seekin g th e relie f

• The reason s wh

y grantin g you

r reques t would b e i

n th e publi c interest ; tha

t is , ho w i t woul d benefi

t th e publi c a s awhole .
• The reaso n wh

y grantin g th e exemptio n would no t adversely affec

t safety , or ho w th e exemptio n woul d provid e aleve l o f safet y a t leas t equa l t o tha t provide d b y th e rul e fromwhic h yo u see k exemption .
• A summar

y w e ca n publis h i n th e Federa

l Registe r stating : The rul e from whic h you see

k the exemptio n an

d abrief descriptio n o f

th e natur e o f th e exemptio n you seek .PlPR-07-201 0 11:3 2 Ffl P RENTO N P . 03/0 3 2 Yo u ma y als o wan t

t o includ e th e following :

• An y additiona

l mformation , views , or

argument s t o suppor

t you r request , an d

• If you wan t t o exercis e th e privilege s of you r exemptio n outside th e Unite d States , th e reaso n you nee d to d o so . Sectio n 11.8 5 require s u s t o publis h asummar y o f you r petition s fo

r exemptio n i n th e Federa l Registe r fo r publi c comment . Sectio n 11.8 7 allow s you to present reasons , or

th e FA A t o fin d goo d cause , wh

y w e shoul d no t

dela y actio n on you

r petition s by th e publi c commen t process . Als o not e tha t § 11,6 3 require s you t

o sen d petition s fo

r exemptio n a

t leas t 12 0 day s befor

e you nee d the exemptio n to tak e effect . We wil l hol d th e docket

ope n fo r 3 0 day s awaiting thi s information . If w e d o no t receiv e a respons e i n 3 0 day s w e wil l clos e th e docke t wit h n o furthe r correspondenc e t o you . Shoul d you hav e an

y question s o

r concern s regardin g you

r petitio n or

th e petitio n process , pleas e contac t

Michae l Collins , 425-227-2689 , Michael.Collins@faa.gov . Sincerely , ^cto r Wicklund Manager , Propulsion/Mechanica l System s Branch , ANM-11 2 Transpor t Standard s Staf

f Transpor t Airplan e Directorat

e Aircraf t Certificatio n Servic e

TOTR L P.0 3