Federal Department of the Environment, Transport, Energy and 

Communications DETEC

Federal Office of Civil Aviation FOCA

Safety Division - Aircraft

Lufttüchtigkeitsanweisung (LTA)

Consigne de Navigabilité (CN)

Direttive sulla Navigabilità (DN)

Airworthiness Directive (AD)

FOCA AD

HB-2013-003

Inkraftsetzung

Mise en vigueur

Entrata in vigore

Effective Date

02 April 2013 Pilatus – PC-7

FOCA TC/TCDS No: F 56-20

1/2

Rechtsgrundlage: Art. 26, 51 und 51A (Verordnung über die Lufttüchtigkeit von Luftfahrzeugen: SR 748.215.1)

Base juridique: Art. 26, 51 et 51A (Ordonnance sur la navigabilité des aéronefs: SR 748.215.1)

Base giuridica: Art. 26, 51 e 51A (Ordinanza concernente la navigabilità degli aeromobili: SR 748.215.1)

Legal base: Art. 26, 51 and 51A (Ordinance on the airworthiness of aircraft: SR 748.215.1)

Issue Date: 19 March 2013

ATA Chapter: ATA 05 – Time Limits / Maintenance Checks

Subject: Time Limits / Maintenance Checks – Airworthiness Limitations –

Amendment

Supersedure / Revised

AD(s):

Not applicable

Type Certificate 

Holder’s Name:

Pilatus Aircraft Ltd.

Manufacturer(s): Pilatus Aircraft Ltd.

Applicability: Model PC-7 aircraft, all Manufacturer Serial Numbers (MSN).

Reason: This Airworthiness Directive (AD) is prompted by changes to the Airworthiness Limitations Section (ALS) of the Aircraft Maintenance Manual 

(AMM), which adds life-limits, revises life-limits or adds inspections not 

previously identified.

These documents include the maintenance instructions and/or airworthiness limitations developed by Pilatus Aircraft Ltd. and approved by FOCA. 

Failure to comply with these instructions and limitations could potentially 

lead to unsafe condition.

Pilatus Aircraft Ltd. published Pilatus PC-7 AMM report no. 01715 revision 

31 dated 30 November 2012 to incorporate a 300 Flight Hour (FH) hour 

inspection on the Emergency Fuel Control System (FCS).

For the reason described above, this AD requires the implementation and 

the compliance with this new maintenance requirement.

Required Action(s) 

and Compliance 

Time(s):

Required as indicated below, unless already accomplished:

(1) Within the next 30 days after the effective date of this AD, comply 

with all applicable maintenance requirements and associated airworthiness limitations specified in the Pilatus PC-7 ALS page 

block 05-10-20 at revision 30 November 2012 or later approved 

issue, of the AMM report no. 01715.

Note 1: To avoid any aircraft grounding in case the Emergency 

Fuel Control Unit (FCU) test according AMM report no. 01715, 

chapter 05-30-06, task 13 has not been accomplished or has been 

accomplished more than 300 Flight Hours (FH) ago, a grace period of 3 months for the Emergency FCU test is allowed.
Lufttüchtigkeitsanweisung (LTA)

Consigne de Navigabilité (CN)

Direttive sulla Navigabilità (DN)

Airworthiness Directive (AD)

FOCA AD

HB-2013-003

2/2

Rechtsgrundlage: Art. 26, 51 und 51A (Verordnung über die Lufttüchtigkeit von Luftfahrzeugen: SR 748.215.1)

Base juridique: Art. 26, 51 et 51A (Ordonnance sur la navigabilité des aéronefs: SR 748.215.1)

Base giuridica: Art. 26, 51 e 51A (Ordinanza concernente la navigabilità degli aeromobili: SR 748.215.1)

Legal base: Art. 26, 51 and 51A (Ordinance on the airworthiness of aircraft: SR 748.215.1)

(2) Compliance with the requirements of paragraph (§) (1) of this AD 

can be demonstrated by:

(2.1) Revising as follows, unless accomplished previously, the approved Aircraft Maintenance Programme from which the Operator or the Owner ensures the continuing airworthiness of 

each operated aircraft:

Incorporate applicable maintenance requirements and associated airworthiness limitations specified in the Pilatus PC-7

ALS page block 05-10-20 at revision 30 November 2012 or 

later approved issue, of the AMM report no. 01715,

and

(2.2) Complying with the approved Aircraft Maintenance Programme described in § (2.1) of this AD.

Ref. Publication(s): PILATUS PC-7, AMM report no. 01715 at revision 31 dated

30 November 2012.

The use of later approved revisions of this document is acceptable for 

compliance with the requirements of this AD.

For further information 

contact:

The applicable manufacturer’s documentation may be obtained directly 

from:

PILATUS AIRCRAFT LTD.

Customer Technical Support (MCC)

P.O. Box 992

CH-6371 Stans, Switzerland

Tel.: +41 (0)41 619 67 74 Fax: +41 (0)41 619 67 73

E-mail: Techsupport@pilatus-aircraft.com

For further information contact:

FEDERAL OFFICE OF CIVIL AVIATION (FOCA)

Design and Production (STEH)

CH-3003 Bern, Switzerland

Fax: +41 (0) 31 322 59 18

E-mail: airdir@bazl.admin.ch