[4910-13-PJ

RlN 2120-AA64 DEPARTMENT OF TRANSPORTATION NClJRREN!;"S Federal Aviation AdministrJtion 

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INITIALS SlG 14 CFR Part 39 

# 039>5' >,~ [DocketNo. FAA-2010-++++j Directorate Identifier 201O-NM-068-ADjAmendmen .3~ /

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# >O:>1'>~' IN'TIAlSI,IG 

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DATE (" RQ MiSV'~Ol 

# -11'1- INITI.,,"'·'SJG Brasileira de Aeronautica SA (EMBRAER) Model ERJ ,70 and ERJ 190Allplanes, an (( Airworthiness Directives; Honeywell International Inc.,iPrirnus EPIC and Primus APEX Flight Management Systems, as Installed on, but

# nL Limited to, Empresa Pilatus Aircraft Ltd. Model PC-12/4 7EAllplanes ROUTING ""MIIQL

6""",-,---- AGENCY: Federal Aviation Admmistration (FAA), DOT

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## I ACTION: Final rule; request for comments.) INl1'IA~'5(~ 

## " SUMl\!lARY: We are adopting anew airworthiness direc ive (AD) for certain Honeywel .

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# I ROlJTlNG SYMtroL Intemationallnc., Primus EPIC and Primus APEX flight management systems (FMS), a I - 

## LXJ installed onthe airplanes described above. This AD requires revising the Limitations 

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. f h . I fl' h ual' hid "" sectIOnate aIrp ane 19 tman tomcorporate t eproce ures necessary to recover 

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# 0 from orwork around asoftware anomaly inthe FMS. Thir AD results frOindiscovery of ::::::::" . software anomalIes WhlCh,IIIcertam sItuatIons, can causelthe FMS to generate ' '. misleading navigational guidance to the pilots and autopilot systems ofvarious airplanes Dm having this same system software. We are issuing this AD toprevent the FMS from RDlrrlI<{;S\'M~OL generating misleading navigational guidance to the pilots bd autopilot systems due to ';;'TIALSiSIG software anomalies, which could lead to an airplane depJting from its scheduled flight nm path, and resulting in possihle 'collision with other airera, orterrain. <o>">~m""o> DATES: This AD is effective [rNSERT DATE 15DAYS AFTER DATE OF 

### ,,,m."""o PUBLICATION IN THE FEDERAL REGISTER].I

DEPARTMENT OF TRANSPORTATION "Federal Aviation Administration 14CFR Part 39 14910-13-P)


## AN DL [Docket No. FAA-2010-++++; Directorate Identifier 2010-NM-0'68-ADj.Amendment tNll"'l.'!'S'''''''TURE RlN 2120-AA64 39-**; AD **1

OFFICIAL FILE COPY PUBLICA nON IN THE FEDERAL REGISTER]. ACTION: Final rule; request for conunents. I SUMMARY: We are adopting a new airworthiness directivcl (AD), or certain Honeywell Intemational Inc., Primus EPIC and PrLnus APEX flight m~agemrt systems (FMS), as ins:alled onthe airplanes described above. This AD requires reViSing the Limitations section ofthe airplane flight manual to incorporate the procedures +cessary to recover from or work around a software anomaly in the FMS. This ~ resJts from discovery of ftw I·", h . ..:. th I FMS so. 'ar~ anom~ Ie~ W.lUC , ,mcertam svu~tlOns, can caus~.1 

# I 0 gene~ate . mlsleadmg navlgatlonal gUidance to the pllots and autoptlot ~ysteml of vano us mrplanes having this same system sofu.vare. We 'areissuing this AD tOlprevent the FMS from I I 

## I generating misleading navigational gui'dance to the pilots anq autopilot systems due to software anomalies, which could lead to an airplane departin~ from1its scheduled flight path, and resulting inpossible collision vvithother aircraft orlterrain I DATES: This AD is effective [INSERT DATE 15DAYS AFTER DATE OF Airworthiness Directives; Honeywell International Inc., Primus 

### ErIC and Primus APEX Flight Management Systems, as Installed on, but not Limited to, Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 17~and E~ 190Airplanes, and Pilatus Aircraft Ltd. Model PC-12/47E Airplanes AGENCY: Federal Aviation Administration (FAA), DOT.

FAA Form 1360-14.1 (6-89) 

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