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# Petitio n fo rExemptio n Septembe r19 . 201 1

Thi s petitio n fo ra technica l exemptio n t o th e 1 4 CF R P T135.15 2 i s submitte d i n accordanc e wit h FA R P T 11.63 , an d existin g FA Aguidanc e thereto . NAM E AN D MAILIN G ADDRESS : Bruc e Currie r V P fo rAvionic s an d Engineering , Evergree n Helicopters , Inc . Mailin g Address : Evergree n Helicopters , Inc . 385 0 Thre e Mil e Lan e McMinnvilie , Orego n 9712 8 Telephon e an d E-Mai l Contact : TEL : (Office ) 503-472-936 1 x441 7 E-MAIL : bruce.currier@everqreenhellcopters.co m SPECIFI C SECTIONfS ) O F TITL E 1 4 O F TH E CF R FRO M WHIC H A N EXEMPTIO N I S SOUGHT : P t91.60 9 - Fligh tDat a Recorder s an d Cockpi tVoic e Recorders , specificall yP T91.609(c)(1 ) P t135.15 2 - Specificall yP t135.152(a) . Note : A n exemptio n I S NO Tbein g sough t fro m th e provisions/requiremen t o fP t 135.15 1 (CVR ) TH E EXTEN TO F RELIE F SOUGH TAN D REASON S FO R PETITIONIN G FO R SUC H RELIEF : Th e exten to fth e relie fsough ti s a n exemptio n fro m th e provision s o fPart s 91.60 9 an d specificall y 135.152(a) . Thi s relief , i fgranted , woul d b e fo ra n operatin g perio d o f2 4 month s fro m th e tim e o fgran t Se e additiona l commentar ybelow . Thi s reques tcenter s o n a rotorcraf tplace d int o servic e b ythi s compan yapproximatel yJanuar y26t h 201 1 (followin g issuanc e o fU S FA AAirworthines s Certification) , an d originall yimporte d fro m Canadia n registry . Th e affecte d aircraf tis : Manufacturer : Model : Seria l Number : Dat e o fManufacture : Prio rRegistry/Oper a tor : Cun-en tRegistry : Ainworthines s Certification : Seatin g Capacit y(Targeted) : Eurocopte r(Aerospatiale ) AS332L- 1 (Supe rPuma ) 217 9 198 8 Britis h Internationa l Helicopter s an d CM C t o Heli-On e Corporation , Delta , B.C. , Canad a N368E V (Currentl yU S FAA)(Origina t Frenc h DGA C Airworthines s applies ) 1 6 Passenger s Maximum . Evergree n Helicopters , Inc . Petitio n fo rExemption , AS332L- 1 Rotorcraft , Requirement s o f1 4 CF R P T135.152(a ) Dated : 09-19-11 , Revislon-I R Pag e 1 o f7statu s o fRecorder s a tTim e o fManufacture : Th e aircraf t a t th e tim e o fmanufactur e an d acquisitio n b y

Britis h Internationa l Helicopter s Limite d wa s no t equippe d wit h a fligh t dat a recorde r(FDR ) o fOE M desig n an d installation . Subsequen tDat a Recorde rFitment : Acombinatio n CVR/FDR/IHUM S (Nort h Se a Type ) wa s fitte d t o th e aircraf tb yBritis h Internationa l Helicopter s Limite d o n Engineerin g Orde r(Modificatio n Order ) No . 332/31-30-017 , date d Feb . 14,1992 . Thi s installatio n me t th e Britis h CA Arequirement s specification s 1 1 (CVR ) an d 1 8 (FDR ) a tth e tim e o finstallation . Th e installatio n desig n wa s subsequentl yBritis h CA A approve d unde rAinworthines s Approva l Not e No . 2170 0 issue-5,1 1 Novembe r1992 . Th e installatio n consiste d o fa combinatio n CVR/FDR , Penn yan d Gile s 900/D5150 8 CVFD R wit h thre e channe l audi o an d on e dat a channel . Fligh tdat a requirement s pe rCA ASpecificatio n 1 8 wer e supplie d b ya DFDA U fo r FD R recordin g requirement s an d fo rIHUM S parameters . Canadia n Modifications : Subsequen towner/operato rCM C an d Heli-On e Corporatio n o fDelta , B.C . installed , vi a Engineerin g Orde rCHA332-31-004 , entitle d CVFD R Replacemen t wit h MPFR , an d Heli-On e Engineerin g Orde rCHA332-05-007 , a n uprate d Penn yan d Gile s P/ N D51615-10 2 MPF R whic h wa s fitted an d tested . Documentatio n use d wa s base d upo n Heli-One-Norwa ytechnica l data . Canadia n LSTC : Numerou s Europea n accomplishe d modification s aboar d AS332L- i SN # 2179 , thi s CVR/FD R modificatio n wit h update s included , wer e rolle d int o a brie fHeli-On e Corporatio n Transpor t Canad a Serialize d Supplementa l Typ e Certificat e No . P-LSH10-00 7 lssue-1 , date d Feb . 4 , 2010 . A t th e tim e o fexpor tt o U S registr yan d AW C certification , du e t o th e serialize d natur e o fth e ST C (on e aircraf t only) , Canadia n DAR' s chos e t o exemp tth e LST C fro m th e certificat e o fexpor t t o U S FA Aregistr yan d AW C issuanc e upo n Evergree n acquisitio n o fth e aircraft . Dat a fo rth e CVR/FD R syste m ha d becom e somewha tfragmentar yb ylat e 2010 , an d th e performanc e o f th e FD R syste m t o U S FA AP T135.15 2 an d Apx- C requirement s wa s neve rdemonstrate d o rcertified . Hamionizatio n o fsuc h a LST C throug h U S FA Achannel s becam e technicall yimpractica l withi n an ytim e fram e i n whic h th e aircraf twa s require d i n service . Subsequen tU S FA ACV R Activatio n an d FDR/IHUM S De-Activation : Th e CV R portio n o fthi s Penn y an d Gile s D51615-10 2 MPF R syste m wa s reactivate d 1 0 Novembe r2010 , an d testin g t o Canadia n Researc h Counci l specification s (th e audi o down-loa d wa s analyze d b ythi s Canadia n agency ) wa s conducted . FA ADE R approva l o fth e CV R elemen twa s obtaine d o n Jan . 26 , 201 1 alon g wit h concurren t FA Aapprova l date d Jan . 26 . 2011 . Th e FDR/IHUM S portio n o fth e recordin g syste m wa s de-activate d b y FA Adirectio n du e t o lac k o fFA Aforma l approval . Limitation s Imposed : Du e t o th e lac k o ffomia l FA AApprova l o fth e FDR/IHUM S syste m a s installed , th e aircraf twa s limite d t o nin e o rles s passenger s b yFA AOperation s Specification s actio n an d Evergree n Helicopters , Inc . ST C SR02089S E wa s applie d t o th e aircraf t fo rseatin g limitations . Aircraf t ful l utilizatio n remain s restricted . Note : Thi s particula rEurocopte rAS33 2 serie s rotorcraf tI S NO Texempte d fro m th e FD R requiremen ta s pe rP t135.152(k) , althoug h th e Eurocopte rAS330 J (SA-330J ) Pum a serie s rotorcraf t is . REASON S FO R SEEKIN G RELIEF : Th e affecte d aircraf tmus tb e int o contractua l servic e no t late rtha n approximatel yOct. . IS , 2011 , an d operat e unde rth e requirement s o fFA R P t 13 5 operatin g rules . I n Jun e o f2010 , followin g fiscal acquisitio n o fth e aircraft . Evergree n Helicopters , Inc . immediatel y embarite d o n a concerte d effor tt o equi p thi s specifi cAS332L- 1 rotorcraf t wit h th e FD R an d CV R equipment . I ti s agai n emphasize d tha tth e aircraf t i s currentl yequippe d wit h a FA Aapprove d CV R syste m i n complianc e wit h P T29.145 7 an d i n ful l complianc e wit h al l curren t guidanc e an d certificatio n requirement s whil e operatin g wit h limite d operationa l capability . Evergree n Helicopters , Inc . Petitio n fo rExemption , AS332L- 1 Rotorcraft , Requirement s o f1 4 CF R P T135.152(a ) Dated : 09-19-11 , Revision-I R Pag e 2 o f7Sinc e th e FD R syste m mus thav e a ST C o rOE M approva l basi s du e t o it s complexity , an d b e full y

interface d wit h th e existin g aircraf tfiightcontrols , accessorie s an d instnjmentation , immediat e effort s wer e mad e t o acquir e a Eurocopte rOE M fiight dat a recorde rsystem , DGAC/EAS Aapproved , an d meetin g P t135.15 2 Appendix- C requirement s i n effec ta s Jun e 2010 . Interpretatio n o fth e rule s indicate s tha tsuc h a ne wFD R recorde rsyste m woul d hav e t o mee tcun-en t Appendix- C a s o fth e tim e o fth e aircraf tenterin g servic e (2011 ) an d receivin g a U S FA AAirworthines s Certificate . EXPLORATION S O F TECHNICA LOPTION S T O RESOLV E TH E FD R SHORTCOMING : PRIMAR YFD R OPTION : EUROCOPTER/OE M (Dedicate d FD R System ) Followin g initia l discussion s wit h Eurocopter-Franc e produc tsuppor t engineerin g i n Ma yo f2010 , th e installatio n o fth e FD R syste m appeare d quit e feasible . However , b yeari yJul y201 0 - an d thr u Jul y 2011 , th e situatio n remain s unchange d wit h protracte d lead-time s an d non-availabilit yo fequipment . Th e followin g obstacle s t o fitmentan d approval s no wexist : CERTIFICATION . LOGISTIC S AN D TECHNICA LISSUES : 1 . Eurocopter-Franc e generate s a separat e an d uniqu e Servic e Bulleti n fo reac h FD R installatio n a s effectiv e t o a specifi cseria l numbere d rotorcraft . T o enginee ran d releas e thi s Servic e Bulleti n agains tSN # 217 9 ha s bee n cite d b yEurocopte ra s takin g a minimu m o f6 month s t o a s muc h a s 1 yea r(o rmore) . 2 . Installatio n tim e no wcanno tb e accuratel ydetermine , bu t Eurocopte ri s citin g (estimating ) betwee n 80 0 t o 150 0 manhour s a tthi s tim e i n th e desig n proces s - an d thi s i s followin g receip t o f a n engineerin g approve d OE M Servic e Bulletin . 3 . Equipmen tavailabilit yspecifi ct o th e Eurocopte rOE M FD R configuratio n ha s no wbee n determine d t o hav e deliver ylead-time s njnnin g betwee n 6 month s t o bette rtha n 1 year . Th e ai r dat a syste m componen tP/ N 704A4713702 6 i s currentl yprojecte d a s havin g a 1 3 mont h o rbette r lead-time . 4 . Eurocopte rha s no tye tfull yqualifie d th e propose d FD R syste m a s meetin g curren t P T135.15 2 Appendix- C requirements . 5 . Additiona l field engineerin g an d fligh t tes t i s require d - an d th e exten t o fthi s ha s no t bee n clarifie d o rdefine d b yEurocopter-France . I n shor t- th e final configuratio n o fthi s syste m i s no t ye tfull yknown . 6 . Conclusion : Engineering , installation , an d approva l o fthi s OE M typ e FD R syste m is/ar e probabl y bette rtha n 1 yea rou tfollowin g a financial commitmen tt o Eurocopter-Franc e t o eve n begi n th e preparation s - an d w e ar e no tcertai n th e syste m i s full yFA Acomplian t withou t additiona l engineerin g modifications . SECONDAR YFD R OPTION : BRISTO WHELICOPTER S IHUM S SYSTE M (UK ) A s a n alternative , th e Bristo wHelicopte rIHUM S dat a recordin g syste m ha s bee n investigate d fo rEH I us e aboar d th e AS332L- 1 a s thi s "Nort h Sea " typ e performanc e monitorin g syste m ha s bee n i n us e i n th e sam e serie s rotorcraf tsinc e eari y1991 . Th e Bristo wIHUM S syste m doe s utiliz e a n approve d typ e MPF R recordin g devic e (Penn yan d Gile s P/ N D51615010 2 - U Kmanufactured) , an d als o i s a combine d CVR/FD R recordin g system . informatio n obtaine d fro m Bristo wHelicopter s i n eari yJul y201 0 indicate s tha t thi s approac h ha s limitation s whe n applie d t o a U S FA Atyp e rotorcraft : Evergree n Helicopters , Inc . Petitio n fo rExemption . AS332L- 1 Rotorcraft , Requirement s o f1 4 CF R P T135.152(a ) Dated : 09-19-11 , Revision-I R Pag e 3 o f71 . CERTIFICATION : Th e IHUM S wa s originall ydesigne d an d certifie d i n th e U Ki n 1991 . Th e syste m i s currentl yapprove d b yth e U KCivi l Aviatio n Authorit y(CAA ) i n accordanc e wit h Airworthines s Approva l Notic e (AAN ) No . 22775 , Issue-5 , date d 21* * Februar y2006 , an d i s adopte d b yth e Europea n Aviatio n Safet yAgenc y(EASA ) unde rth e auspice s o fCommissio n Regulatio n (EC ) No . 1702/2003 . Articl e 2 . However , Bristo wdoe s no t currentl yhol d a n FA Ao r Transpor tCanad a Approva l fo rth e system . Thi s syste m ha s bee n accepte d i n Canadia n registere d aircraf ti n th e pas tvi a serialize d STC' s hel d b yth e operator , bu t i n suc h case s th e syste m ha d bee n installe d an d i n operatio n prio rt o import . A s th e holde ro fth e AAN , Bristo w woul d nee d t o appl yt o th e FA Afo rfamiliarizatio n o fthei rU KCAA/EAS Aapproval . T o date , the y hav e show n n o willingnes s t o d o this . 2 . TECHNICA LISSUES : a . A tthi s time , Bristo w(UK ) ha s no t ye t confirme d ful l complianc e o fth e syste m t o U S FA A PT-13 5 Appendix- C requirements . Th e syste m wa s originall ycertifie d t o mee t th e requirement s o fCA AU KSpecificatio n 1 8 fo rFligh tDat a Recorder s (a n ICA O base d standard) . Th e FA Arequiremen t i s stricte ro n specifi cparameter s tha t ma yo rma yno t b e me tb yth e Bristo wsystem . b . Th e IHUM S require s specifi csuppor t softwar e an d a groun d statio n o n th e bas e o f operation s i n orde rt o downloa d monitorin g dat a o n a regula rbasi s fro m th e aircraft . Thi s ma yno tb e to o pracfica i i n a remot e operatin g area . Additiona l trainin g fo rmaintenanc e an d pilo tstaf fma yb e required . Bristo wdoe s no tprovid e o rrequir e a RFM S fo rthi s system , a s mos toperator s us e thi s syste m i n th e Nort h Se a regio n wher e th e syste m wa s develope d create d thei row n supplement s an d trainin g program s uniqu e t o thei r fleet . c . Thi s modificatio n include s a combine d CVFD R unit . 3 . OTHE R ISSUE S APPAREN TWIT H TH E BRISTO WIHUMS : a . Applicatio n b yBristo wfo rU S FA Afamiliarizatio n ha s no t bee n quote d no ran ylead-time s estimated . I ti s no tclea ra t thi s tim e wha t th e implication s o fthi s migh t be . Thi s remain s unchange d throug h eari y2011 . b . Installatio n effor ti s no tprecisel yknown , bu tma yb e i n exces s o f100 0 M/H . c . Continue d ainvorthines s o fthi s essentiall y2 0 yea rol d syste m wil l becom e increasingl y difficul tove rtime , a s som e component s ar e alread ydifficul t t o sourc e (no t i n production ) and/o rwil l soo n becom e obsolete . Thi s ma ywel l b e a "boutique " typ e syste m no t totall y adaptabl e fo rEH I fieetoperations . d . Th e expecte d minimu m lea d tim e fro m orde rinitiatio n I s currentl y2 0 week s fo rmaterial s plu s a n additiona l 8 week s o finstallatio n time . Additionally , ther e ma yb e (likel yt o be ) mor e certificatio n an d engineerin g an d fiighttes trequire d tha n initia l thought . 4 . CONCLUSION : Th e Bristo w"Nort h Sea " IHUM S doe s no t see m easil yadaptabl e t o a U S Y R 201 1 FA Aregulator yenvironment . Th e syste m doe s no tbod e wel l fo rremot e field operations , an d i tappear s t o b e a potentiall yhig h maintenanc e syste m requirin g heav ylogistica l support .

Evergree n Helicopters , Inc . Petitio n fo rExemption , AS332L- 1 Rotorcraft , Requirement s o f1 4 CF R P T135.152(a ) Dated : 09-19-11 . Revision-I R Pag e 4 o f7SUMMERIZATION :

Neithe ro fth e develope d Fligh tDat a Recorde rsyste m seemingl yavailabl e ha s bee n foun d t o mee t wit h an ysuitabl e time-line , material s availabilit yo rcertificatio n requirement s wit h an ydegre e o fcertainty . I t appear s a tthi s poin ttha ta U S FA Aregulator ycomplian tFD R syste m fo rth e Eurocopte rAS332L- 1 rotorcraf twoul d requir e substantia l engineerin g an d desig n wor k wit h a n ey e toward s mor e mode m an d availabl e equipment . A n effor to fthi s magnitud e coul d wel l tak e 1 8 month s t o tw o year s t o accomplis h - an d wit h a n aircraf treadil ya thand . HO WGRANTIN G O F THI S REQUES TWOUL D BENEFI TTH E PUBLI C INTEREST : Thi s particula raircraft , SN # 2201 , an d a ye tt o b e determine d secondar yAS332L- 1 rotorcraft , ar e destine d fo rservic e i n th e Afghanista n theate ri n suppor t o fU S Force s operatin g unde rU S Centra l Command . Th e civi l aviatio n contractor/coordinato ri s Transcom , an d thi s aircraf t i s contracte d pe rNo . HTC71109D0023 . Th e U S comman d an d it s variou s contractor s continu e t o pres s fo raccelerate d deliver yo fthi s typ e aircraf tt o th e Afghanista n theate rt o mee t U S militar yoperationa l requirement s fo r logistica l an d tactica l suppor tt o bac k u p scarc e militar yassets . Us e o fthi s large rtyp e rotorcraf ti s critica l t o regiona l operation s du e t o large rliftin g capacity , highe r altitud e capabilitie s (groun d separation) , longe rrange , an d th e abilit yt o carr yequipmen t uniqu e t o th e operatin g theate r(e.g. , fioor, cockpi tan d cabi n armor , an d militar ytactica l avionics) . I n short , th e aircraf t i s larg e enoug h t o mee tmissio n requirement s calle d fo ran d ye t carr ysufficien t protectiv e accessories . Evergree n i s on e o fth e fe wcivi l operator s wel l experience d i n thi s para-militar ytactica l role , an d integrate s easil ywit h th e U S comman d structur e t o provide d requeste d service s o n behal fo fU S force s s o deployed . EQUIVALEN TLEVE LO F SAFET YAN D WH YSAFET YWOUL D NO TB E ADVERSEL YAFFECTED : Th e lac k o fa n operatin g Fligh tDat a Recorde r(FDR ) doe s no t impai ri n an ywa yth e operationa l safet yo f th e basi caircraft . Th e lac k o fth e FD R woul d obviousl yimpac t onl yan ysubsequen t acciden t investigatio n shoul d tha tarise . Th e aircraf tremain s full yequippe d wit h a ful l IF R avionic s an d instrumentatio n suit e plu s th e additio n o funiqu e militar ytactica l communications , traffi cdetection , digita l radar , trackin g device s an d othe rlocatio n an d emergenc ydevices . Saf e operatio n o fth e aircraf t remain s technicall yunimpaire d an d n o fiightmanua l pertormanc e dat a i s compromised . I n term s o fan ysubsequen tacciden tinvestigatio n i n thi s theater , th e aircraf t i s equippe d wit h a full y operationa l Uiree-channe l TS O C-12 3 soli d stat e Cockpi t Voic e Recorde r(CVR) . Thi s recorde ris , o f course , full yintegrate d int o al l audi o an d communication s system s an d an yaura l advisorie s whic h ma y b e s o generated . A n Iridiu m satellit e trackin g devic e i s installe d whic h als o provide s a real-tim e updat e o n basi caircraf t fligh tprofiles . Equivalen ttyp e rotorcraf t(an d o fapproximatel yth e sam e manufacturin g period ) operatin g i n th e sam e theate rsuc h a s th e Sikorsk yS-61 N an d Bel l 214S T(sam e passenge rcapacity ) ar e i n fac t exempte d b y P T135.152(k ) firom th e FD R requirement .

Evergree n Helicopters , Inc . Petitio n fo rExemption , AS332L- 1 Rotorcraft , Requirement s o f1 4 CF R P T135.152(a ) Dated : 09-19-11 , Revision-I R Pag e 5 o f7FEDERA LREGISTE R SUMMARY :

Rul e fo rwhic h th e exemptio n i s sought : 1 4 CF R P T135.15 2 (Primary ) 1 4 CF R P T91.60 9 Evergree n Helicopters , Inc . seek s a n exemptio n fro m th e requirement s o fP T135.152(a ) fo rinstallin g a Fligh tDat a Recorde ri n a n importe d Eurocopte rMode l AS332L- 1 rotorcraf t place d ont o U S N-registi 7 i n wit h AW C o n Jan . 26 , 2011 . Th e reaso n fo rexemptio n reques t i s du e t o non-availability , i n a timely manner , o fa U S FA AY r201 1 PT-13 5 Appendix- C complian t FD R syste m wit h ful l regulator yapproval . Note : I ti s requested , tha ti n th e interest s o fa n expedite d FA Areview , wit h an yconsideration s fo r approval , tha tthi s reques tfo rexemptio n no tb e publishe d i n th e Federa l Register . ADDITIONA LINFORMATIO N - YEA R 201 1 A S T O TECHNICA LRESOLUTION : Evergree n Helicopters , Inc . (operator ) an d it s selecte d vendo rfo raircraf t preparation , maintenanc e an d modification , Heli-One , inc . o fDelta , B.C. , Canada , hav e give n ver yconcerte d effor t sinc e eari yMa y 201 0 t o locatin g a suitabl e FD R syste m t o fitt o thi s aircraft . Th e Canadia n Heli-On e corporatio n i s a wori d wid e maintenanc e organizatio n wit h primar yfacilitie s i n Canad a an d Norway . Heli-On e i s als o a n acknowledge d exper ti n th e maintenanc e an d modificatio n o fth e AS332L- 1 serie s o frotorcraft . Th e targe tsyste m ha s alway s bee n th e Eurocopte rOE M syste m - bu t Eurocopte rha s prove n slo wi n respondin g t o inquirie s an d ha s no tbee n responsiv e t o thi s point . Eurocopter-Franc e ha s als o neve r define d whethe rth e propose d OE M syste m woul d i n fac tmee t curren t U S FA AP T13 5 Appendix- C requirements . Thi s lac k o ftimelyrespons e fro m th e OE M ha s bee n a n unexpecte d disappointmen t t o bot h Evergree n an d Heli-One . Evergree n remain s committe d t o incorporatin g a FD R syste m i n th e aircraft . However , base d o n th e delay s experience d t o thi s point , th e scarcit yan d date d natur e o fpropose d equipment , an d th e certificatio n variance s envisioned , th e timing o fan ysuc h projec t make s aircraf t deliver yint o servic e i n a timelymanne rno tpossible . I ti s Evergreen' s desir e a tthi s poin t t o see k a n exemptio n whil e a bette r define d engineerin g an d certificatio n pat h i s developed , an d mor e curren t equipmen t i s marshaled . Goin g i n th e fal l o fYea r2011 . th e option s fo rupgrad e an d FD R fitment o fa n FA AApprove d (STC'ed ) syste m hav e devolve d t o a n adaptatio n o fa n Heli-On e Corporatio n Norwa ydesigne d AS332L- 1 FD R syste m a s applie d t o a militar yversio n o fth e AS332 Lseries . Engineerin g adaptatio n o fthi s syste m i s no wunde rrevie wb ya tleas ttw o U S base d DE R engineerin g house s withi n th e Unite d State s - an d whic h woul d assis ti n th e certificatio n process . Quotation s hav e bee n obtaine d an d preliminar y certification s path s hav e bee n established . Logistica l Issue s Encountere d t o thi s Point : Th e aircraf tfo rwhic h relie fi s sough t currenti yfunction s largel yfo rlogistica l transpor toperatin g ou t o fKandahar , Afghanistan . Accessin g thi s aircraf t i n th e field a tth e remot e operatin g bas e fo racquirin g detai l engineering , fitment, an d designe e examinatio n i s provin g impractica l du e t o securit yrequirements , limite d technica l staf fsuppor t available , an d non availabilit yo fsuitabl e maintenanc e an d re-fi tfacilitie s fo ra n operatio n o fthi s complexity . Th e aircraf t wil l hav e t o b e pulle d fro m servic e an d deploye d t o a facilit ymor e accessibl e an d suitabl e fo rcertificatio n engineerin g work . Evergree n Helicopters , Inc. , a t thi s time, continue s t o see k an d obtai n a suitabl e replacemen taircraf tsuc h tha tth e affecte d aircraf t(SN#2179 ) ca n b e re-deploye d fo rengineerin g re-wort ( ou to ftheater . Accomplishin g suc h a n acquisition , an d preparin g suc h a n aircraf t fo rservice , i s provin g mor e tim e consumin g tha n originall yanticipated . Evergree n Helicopters , Inc . Petitio n fo rExemption , AS332L- 1 Rotorcraft , Requirement s o f1 4 CF R P T135.152(a ) Dated : 09-19-11 , Revision-I R Pag e 6 o f7EXEMPTIO N INTERVAL :

Th e reques tfo r2 4 month s i s base d no tnecessaril yo n engineerin g time, material s acquisitio n time, o r installatio n tim e required , bu to n th e fac tth e aircraf ti s deploye d t o a remot e sit e wit h ver ylimite d facilitie s

- fo ra n extende d perio d - makin g an yfitmentan d tes to fa comple xsyste m impractical . Sinc e th e fitment tim e fo rth e FD R syste m i s estimate d t o b e i n exces s o f6 0 t o 12 0 day s o rmore , exclusiv e o fan y engineerin g re-wor k

an d certificatio n issues , i twoul d b e optima l i ftiiis wor k b e scheduled/planne d t o coincid e wit h th e aircraft' s majo rinspectio n points . Re-deployin g a n aircraf t o fthi s siz e fro m a remot e are a t o suitabl e maintenanc e base s i s don e vi a ai rtransport , an d ha s logistica l complexities . I fthi s exemptio n interva l o fthi s lengt h i s no t favored . I woul d appreciat e bein g s o advise d s o alternativ e measure s ca n b e evaluate d an d planned . OTHE R SIMILA R PRIO R EXEMPTION S GRANTED : FA AExemptio n No . 1015 2 wa s grante d t o Evergree n Helicopters , inc . o n Sept . 30 , 201 0 fo ra simila rsituatio n relatin g t o FD R system s i n EH I AS332L- 1 SN # 220 1 (N369E Va t th e time) . EXERCISIN G TH E PRIVILEGE S O F EXEMPTIO N OUTSID E TH E UNITE D STATES : I fgranted , th e operator , Evergree n Helicopters , Inc. , request s tha t th e provision s o fth e exemptio n b y allowe d t o b e i n forc e oversea s i n th e U S (DOD ) Centra l Comman d operatin g are a o fAfghanista n o r othe rregion s a s directe d b ycomman d authority . Th e reason : Afghanista n i s th e targeted/assigne d bas e operatin g are a fo rth e affecte d rotorcraft . Respectfull ySubmitted :

Briic e Currie r Vic e Presiden tfo rAvionic s an d Engineerin g Evergree n Helicopters , Inc . 385 0 Thre e Mil e Lan e McMinnvilie , Orego n 9712 8

Evergree n Helicopters , Inc . Petitio n fo rExemption , AS332L- 1 Rotorcraft , Requirement s o f1 4 CF R P T135.152(a ) Dated : 09-19-11 , Revision-I R Pag e 7 o f7