14910-13-UI

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Pari 39

IDocket No. FAA-2008-0556; Directorate Identifier 2007-NM-028-AD; Amendme

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39-**;AD*;'- 9-DIO-Ol-O-,-

RIN 212Q-AA64

Airworthiness Directives; Various Aircraft Equipped With Honeywell Primus n

RNZ-850( )/-851 ( ) Integrated Navigation Units

AGENCY: Federal Aviation Administration (FAA), Department of Transportation

(DOT).

ACTION: Final rule.

SUMMARY: The FAA is superseding an existing ai.rworthiness directive (AD) that

applies to various aircraft equipped with certain HoncY'vell Primus II RNZ-8500/-851 (

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integrated navigation units (INUs). The existing AD, as one aliemative for compliance,

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provides [or a one-time inspection to detem,ine whether a certain modification has beel

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installed on the Honeywell Primus II NV-850 navigation receiver module (NRM), whic

is part of the INU. In lieu of accomplishing this inspection, and for aircraft found to hav~""""- RQUTIN~S\·M'''''.

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applicability to include additional affected !NUs. This AD results from reports indicati

compliance time for a certain inspection and associated actions. This AD also revises t

and doing related investigative, corrective, and other specified actions, as applicable; a

that erroneous localizer and glideslope indications havc occurred on certain aircraft

inspection to determine whether certain other modifications have been done on the NR

limitations for instrument landing system approaches. That AD also requires an

an affected NRM, that AD provides for revising the aircraft flight manual to include ne

well as further modifications to address additional anomalies. This AD extends the

equipped with the subject TI\TUs.We are issuing this AD to ensure that the Oightcrew has
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149IO-13-U]

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DEPARTMENT OF TRANSPORTATION

Federal Avhition Adrillilistra(ion

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~ AjrwortJ:1ioess Directives; Various'Aircraft Equipped Witli Hone0\1eU Primus n

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RNZ-85:D( )/-851 (}Integrated'~avigatio9cJJnits"'

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AGJ):NCY; Federal Avi21ion Adrilinisir3!-ion'(EAA), pepartni~t.o't:Transportation :0:'

A:C:rJON: Final rule.

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SUl\11\'lARY: The:F AAjs superseding_an exiSting ainvorthiness directive (AD) that

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-:;/~p~~ies to'v'arit?us aircr~.,}y~quipp~~1vjth.4rtain,HOJl~'y,w~1l 'p~l~s1[iRNZ-850Q/-851 q"

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integrat~ navigation units (INUs). Tlte eXistingAD",as one al(emative for compliancc~

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pro\'idetfof a one-time in~ection to det&rminevJhether,acertain modltication hasiheen

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installed:on thetfoneywell Piip"!us UNY;.,850. !iavfgatiQn::rt=Ceiver module_!NRM), Which

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< iSp~~ of:the lNU",tn~lieu,~fac~om~ps~;igth~~.insPecti~Il'an:$fo(a.~c;a(lfou!l~to hav.~~

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, an affeCted NRM, that AD proVides":'Iorrevising the aircr~ftJ1i:ghl manual to inilud~~lew -

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Iimita~i9nsfo~instr.ume~Van.2ings~teill~pproac·hes.Th~atAD aJsoreeil!ires aD..c. .

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in~pection to determifi? whether cf'ftain.cith'er modl~catioP$hi'we b~~_ridone on the ~M;

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an~doing related investigative, cOJTec.tive,and other specified actions. as appli~ablc; as

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wen as 'further rhodffic:~tions'io address"aaditional_:~omal.ies ..This~ ex.te,w:1s tne;;,:\~

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compli~ce time fora cert.ain inspectionanQ.,,-~Ci~edaCtio~ This~Walso re.yjs¢~tqe

'aj5pI1cabilitr;;,~6,i'I1ClL.id~ ~.adition~t.aJJ:ect~d1:r'n:Js. ~ttis AD t:eSlllts'q:9rn repo.rts indicating..o

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th;t-errooeaus localizer and g!i9es1opejndications-liave QccufJed-on certain aircraft

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equipped "rim the subNct !NUs. W~ arej~;:s4ing ih:iS'AD-to ensure that tbe'fliUit crew has

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FAA Fonn 1.36G-14.1 (6--B9) OFFICIAL ElLE.;coPy . <fu.$.ci"ovER.mI('NT"IUNT.JGOFFlCE>lW5_ 15-211

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14910-I3-U]

DEI'ARTMENT OF TRAi"SI'ORTA nON

Federal Aviation Administration

14CFR I'art 39

(Docket No. FAA-2008-0556; Directorate Identifier 2001-NM-028-AD; Amendment

39-**; AD **1

RJN 2120-.'1..'1.64

Airn'ortbincss DirectivC5; Various Aircraft Equipped With Honeywell Primus II

RNZ-850( )/-851() Integrated Navigation Units

ACENCY: Federal Aviation Administration (FAA), Department of Transportation

(DOT).

ACTION: Final rule.

SUMMARY: The FAA is superseding an existing airworthiness directive (AD) that

applies to certain Honeywell Primus n RNZ-8500J-8510 integrated navigation units

(INUs). As onc alternative for compliance, the existing AD provides for a onc-time

inspection to determine whether a certain modification bas been installed on the

Honeywell Primus 11NY-850 navigation receiver module (NRM), which is pari of the

INU, In lieu ofaceomplbhing this inspection, and lor aircraft found to have an affected

NRM, that AD provides for revising tbe aircraft flight manual to include new limitations

for instrument landing system approaches. That AD also requires an inspection to

determine whether certain other modifications have been done on the NRM; and doing

related investigative, corrective, and other specified actions, as applicable; as well as

further modifications to address additional anomalies. 1l1is AD extends the compliance

time for a certain inspection and associated actions. This AD also revises the applicability

to include additional aflectcd lNUs. This AD results fTOm reports indicating that

erroneous localizer and glideslopc indications have occurred on cenain aircraft equipped

with the subjccllNUs. We are issuing this AD to ensure that the flightcrew has accurate

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