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There are a common referencing standard for allcommercial aircraft documentation. This ermits greater

ease of learning and understanding for ilots! aircraftmaintenance technicians! and engineers.

The standard num"ering s#stem $as u"lished "# the Air Trans ort Association on %une 1! 1&'(.

)hile the ATA 100 num"ering s#stem has "eensu erseded! it continued to "e $idel# used as of *01+!es eciall# in older documentation for general a,iation

aircraft! and rinted manuals .

In *000 the ATA Technical Information andCommunications Committee -TICC de,elo ed a ne$consolidated s eci/cation for the commercial a,iation

industr#! ATA iS ec **00.

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The main o" ecti,es of the ne$ s eci/cation are tominimi e cost and e2ort e3 ended "# o erators andmanufacturers! im ro,e 4ualit# information andunctualit#! and facilitate manufacturers5 deli,er# ofdata that meet airline o erational needs.

6ore recentl#! the international a,iation communit#de,elo ed the S1000D standard! an 768 s eci/cation forre aring! managing! and using e4ui ment maintenanceand o erations information.

The uni4ue as ect of the cha ter num"ers is itsrele,ance for all aircraft.

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9eneral Aircraft

ATANumber ATA Chapter name

ATA 05 TI6E 8I6ITS:6AINTENANCE C;ECE8IN9 AND )EI9;IN9.

ATA 09 TO)IN9 AND TA7I

ATA 10 PA=ICEATA 11 P8ACA=DS AND 6A=ICIN9 @ =O?TINE 6AINTENANCE

ATA 18 >I =ATION AND NOISE ANA8BSIS -;E8ICOPTE= ON8B

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Airframe s#stemsATA

Number ATA Chapter name

ATA 20 STANDA=D P=ACTICES AI=F=A6EATA 21 AI= CONDITIONIN9 AND P=ESS?=I ATIONATA 22 A?TOF8I9;T

ATA 23 CO66?NICATIONSATA 24 E8ECT=ICA8 PO)E=ATA 25 E ?IP6ENT:F?=NIS;IN9SATA 26 FI=E P=OTECTIONATA 27 F8I9;T CONT=O8S

ATA 28 F?E8ATA 29 ;BD=A?8IC PO)E=ATA 30 ICE AND =AIN P=OTECTIONATA 31 INDICATIN9 : =ECO=DIN9 SBSTE6ATA 32 8ANDIN9 9EA=ATA 33 8I9;TS

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ATANumber ATA Chapter name

ATA 34 NA>I9ATION

ATA 35 O7B9ENATA 36 PNE?6ATICATA 37 >AC??6ATA 38 )ATE=:)ASTE

ATA 39 E8ECT=ICA8 @ E8ECT=ONIC PANE8S AND

6?8TIP?=POSE CO6PONENTSATA 40 6?8TISBSTE6ATA 41 )ATE= A88ASTATA 42 INTE9=ATED 6OD?8A= A>IONICSATA 44 CA IN SBSTE6S

ATA 45 DIA9NOSTIC AND 6AINTENANCE SBSTE6ATA 46 INFO=6ATION SBSTE6SATA 47 NIT=O9EN 9ENE=ATION SBSTE6ATA 48 IN F8I9;T F?E8 DISPENSIN9ATA 49 AI= O=NE A?7I8IA=B PO)E=

ATA 50 CA=9O AND ACCESSO=B CO6PA=T6ENTS

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Structure

ATA Number ATA Chapter name

ATA 51 STANDA=D P=ACTICES AND ST=?CT?=ES @

9ENE=A8ATA 52 DOO=SATA 53 F?SE8A9EATA 54 NACE88ES:PB8ONSATA 55 STA I8I E=SATA 56 )INDO)SATA 57 )IN9S

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Po$er lantATA

Number ATA Chapter nameATA 61 P=OPE88E=SATA 71 PO)E= P8ANTATA 72 EN9INE @ =ECIP=OCATIN9ATA 73 EN9INE @ F?E8 AND CONT=O8ATA 74 I9NITIONATA 75 8EED AI=ATA 76 EN9INE CONT=O8SATA 77 EN9INE INDICATIN9ATA 78 E7;A?STATA 79 OI8ATA 80 STA=TIN9ATA 81 T?= INES -=ECIP=OCATIN9 EN9INESATA 82 EN9INE )ATE= IN%ECTIONATA 83 ACCESSO=B 9EA= O7ESATA 84 P=OP?8SION A?96ENTATIONATA 85 F?E8 CE88 SBSTE6SATA 91 C;A=TSATA 92 Electrical S#stem Installation

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Notes:The numbers 01, 02, 03, 04, 59, 95, 96 and 98 are reserved for the airline u Normall these use:

ATANumber

ATA Chapter name

01 9eneralities

0* )eith and "alance

0+ 6inimun e4ui ment

0 Air$orthines limitation

?nassigned The num"ers 1+! 1(! 1G! 1&! +&! 0! +! ! ' ! ( ! (&! (! G! ! &! &0!

&*! &+! & and && are unassigned

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Others

ATANumber

ATA Chapter name

1 Tools1' E3ternal training

1( 9round su ort e4ui ment

1G Au3iliar# e4ui ment

'G )ings

(0 Estandar ractices Pro eller :=otor

(1 Pro ellers: ro ulsors