EASA 

EASAAD No.: 2014-0181 

AIRWORTHINESS DIRECTIVE 

AD No.: 2014-0181 

Date: 31 July 2014 

Note: This Proposed Airworthiness Directive (PAD) is issued by EASA, acting in accordance 

with Regulation (EC) No 216/2008 on behalf of the European Community, its Member States 

and of the European third countries that participate in the activities of EASA under Article 66 of 

that Regulation. 

In accordance with the EASA Continuing Airworthiness Procedures, the Executive Director is proposing the issuance of an EASA 

Airworthiness Directive (AD), applicable to the aeronautical product(s) identified below. 

All interested persons may send their comments, referencing the PAD Number above. to the e-mail address specified in the 'Remarks' 

section, prior to the consultation closing date indicated. 

Design Approval Holder's Name: Type/Model designation(s): 

PILATUS AIRCRAFT Ltd. PC-6 aeroplanes 

TCDS Number: 

Foreign AD: 

Supersedure: 

ATA05 

Manufacturer( s): 

Applicability: 

Reason: 

Effective Date: 

Switzerland No. F 56-10 

Not applicable 

This AD supersedes EASA AD 2012-0268 dated 19 December 2012. 

Time Limits I Maintenance Checks - Airworthiness Limitations 

Section -Amendment /Implementation 

Pilatus Aircraft ltd. and Fairchild Republic Company (formerly Fairchild 

Industries, Fairchild Heli Porter and Fairchild-Hiller Corporation). 

PC-6 aeroplanes, all models, all manufacturer serial numbers. 

The maintenance instructions and airworthiness limitations applicable to the 

Structure and Components of PC-6 aeroplanes are specified in the Aircraft 

Maintenance Manual (AMM) under Chapter 4 or in the Airworthiness 

Limitations Document (ALS), depending on aeroplane model. 

The instructions contained in the ALS document have been identified as 

mandatory actions for continued airworthiness and failure to comply with these 

instructions and limitations could potentially lead to an unsafe condition. 

Pilatus Aircraft Ltd. (Pilatus) recently issued PC-6 AMM, Chapter 04-00-00, 

Document Number 01975 issue 19 for PC-6 82-H2 and PC-6 82-H4 

aeroplanes and PC-6 ALS, Document Number 02334 issue 4 for all other PC-6 

aeroplane models to incorporate new life limits for the Fire Extinguisher. 

For the reason described above, this AD retains the requirements of EASA AD 

2012-0268, which is superseded, and requires implementation of the new 

maintenance requirements and/or airworthiness limitations. 

14 August 2014 

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Required Action(s) 

and Compliance 

Time(s): 

Ref. Publications: 

EASAAD No.: 2014-0181 

Required as indicated, unless accomplished previously: 

(1) From the effective date of this AD, accomplish the following actions. as 

detailed in Chapter 4 of the AMM report, or in the ALS document, as 

specified in Table 1 of this AD, as applicable to aeroplane model: 

(1.1) Replace each component before exceeding the applicable life limit, 

and 

(1.2) Within the thresholds and intervals, accomplish all applicable 

maintenance tasks. 

Table 1 - Applicable AMM Report I ALS Document 

Aeroplane Models 

PC-6 B2-H2 and 

PC-6 B2-H4 

All other PC-6 models 

AMM Report I ALS Document 

Chapter 04-00-00 of AMM 

Document Number 01975, issue 19 

dated 31 May 2014 

ALS Document Number 02334, 

issue 4 dated 31 May 2014 

(2) In case of finding discrepancies (as defined in Chapter 4 of the AMM 

report or in the ALS document specified in Table 1 of this AD) during 

accomplishment of any task as required by paragraph (1) of this AD, within 

the compliance time specified in Chapter 4 of the relevant AMM report or in 

the ALS document, accomplish the applicable maintenance procedures for 

corrective actions in accordance with the approved maintenance 

documentation. 

If no compliance time is identified in Chapter 4 of the relevant AMM report 

or in the ALS document, accomplish the applicable corrective actions 

before next flight. 

If a detected discrepancy is not identified in Chapter 4 of the relevant AMM 

report or in the ALS document, before next flight, contact Pilatus for 

approved instructions and accomplish those instructions accordingly. 

(3) Compliance with the requirements of paragraphs (1) and (2) of this AD can 

be demonstrated by: 

(3.1) Revising, as follows, the approved Aircraft Maintenance Programme 

and standard practices on the basis of which the operator or the 

owner ensures the continuing airworthiness of each operated 

aeroplane: 

Incorporate all applicable maintenance instructions and associated 

airworthiness limitations specified in Chapter 04-00-00 of AMM 

Document Number 01975 issue 19 or in the ALS Document 

Number 02334 issue 4, as applicable to aeroplane model, 

and 

(3.2) Complying with the approved Aircraft Maintenance Programme 

described in paragraph (3.1) of this AD. 

Pilatus PC-6 ALS Document Number 02334, issue 4 dated 31 May 2014. 

Pilatus PC-6 AMM, Chapter 04-00-00, Document Number 01975, issue 19 

dated 31 May 2014. 

The use of later approved revisions of these documents is acceptable for 

compliance with the requirements of this AD. 

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EASA AD No.: 2014-0181 

Remarks: 1. If requested and appropriately substantiated, EASA can approve 

Alternative Methods of Compliance for this AD. 

2. This AD was posted on 01 July 2014 as PAD 14-108 for consultation until 

29 July 2014. No comments were received during the consultation period. 

3. Enquiries regarding this AD should be referred to the Safety Information 

Section, Executive Directorate, EASA. E-mail: ADs@easa.europa.eu. 

4. For any question concerning the technical content of the requirements in 

this AD, please contact: 

PI LATUS AIRCRAFT l TO., Customer Liaison Manager, 

CH-6371 STANS, Switzerland. 

Tel.: +41 (0)41 619 65 80 Fax: +41 (0)41 619 65 76. 

E-mail: fodermatt@pilatus-aircraft.com. 

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