EASA AD No.: 2015-0005

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EASA AIRWORTHINESS DIRECTIVE

AD No.: 2015-0005

Date: 14 January 2015

Note: This Airworthiness Directive (AD) 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.

This AD is issued in accordance with EU 748/2012, Part 21.A.3B. In accordance with EU 1321/2014 Annex I, Part M.A.301, the 

continuing airworthiness of an aircraft shall be ensured by accomplishing any applicable ADs. Consequently, no person may operate an 

aircraft to which an AD applies, except in accordance with the requirements of that AD, unless otherwise specified by the Agency [EU 

1321/2014 Annex I, Part M.A.303] or agreed with the Authority of the State of Registry [EC 216/2008, Article 14(4) exemption].

Design Approval Holder’s Name:

DASSAULT AVIATION

Type/Model designation(s):

Falcon 2000EX, Mystère-Falcon 900 and

Falcon 900EX aeroplanes

TCDS Numbers: EASA.A.008 and EASA.A.062

Foreign AD: Not applicable

Supersedure: None

ATA Airplane Flight Manual – Yaw Damper Operational Procedure –

Amendment

Manufacturer(s): Dassault Aviation

Applicability: Falcon 2000EX aeroplanes, all serial numbers (s/n), except aeroplanes with 

Dassault Aviation production modification (mod) M3254, or modified in service 

by Dassault Aviation Service Bulletin (SB) F2000EX-300 (“EASy II” avionics),

Mystère-Falcon 900 aeroplanes, all s/n,

Falcon 900EX aeroplanes, all s/n, except aeroplanes with “EASy II” “2nd 

certification” avionics, which are defined as:

modified in production with Dassault Aviation mod M5595,

or modified in service with Dassault Aviation SB F900EX-400 at Revision 3 (or 

any later revision) or with Dassault Aviation SB F900EX-414 at Revision 4 (or 

any later revision).

Note: Commercial versions “F2000LXS” and “F2000S” are also not affected by 

the requirements of this AD, as these are fitted with “EASy II” avionics.

Reason: During a flight test on a development aeroplane, it was found that the yaw 

damper (YD) working on the take-off roll can increase the Minimum Control 

Speed on Ground (Vmcg). A review of the certification data of the affected 

aeroplanes shows that Vmcg values published in the Airplane Flight Manuals 

(AFM) have been determined without YD.

This condition, if not corrected, could result, in case of an engine failure 

occurring during the roll acceleration, in reduced lateral control of the 

aeroplane.

To address this condition, Dassault Aviation developed Change Proposals (CP)
EASA AD No.: 2015-0005

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and Temporary Changes (TC) to the applicable AFMs, which instruct flight 

crews to check that yaw damper is set to “off” before take-off.

For the reasons described above, this AD requires an amendment of the 

applicable AFM.

Effective Date: 28 January 2015

Required Action(s) 

and Compliance

Time(s):

Required as indicated, unless accomplished previously:

(1) Within 30 days after the effective date of this AD, amend the applicable 

AFM to incorporate the normal procedures and limitations as specified in 

Table 1 of this AD, inform all flight crews and, thereafter, operate the 

aeroplane accordingly.

Table 1 – Normal Procedures and Limitations

Affected Aeroplane / 

configuration

Applicable 

AFM

Applicable 

AFM Change

Falcon 2000EX DGT 84278 CP017

Falcon 2000EX with Dassault 

Aviation production mod M1691 

embodied (Falcon 2000EX “EASy” 

version)

DGT 88898 CP046

Mystère Falcon 900 DTM20103 TC118

Mystère Falcon 900 model with 

Dassault Aviation production mod 

M1975, or mod M2695 embodied, 

or modified in service by Dassault 

Aviation SB F900-250 (“Falcon 900 

C” version)

FM900C TC048

Falcon 900EX DTM561 CP012

Falcon 900EX with Dassault 

Aviation production mod M3083 

embodied (Falcon 900EX “EASy”

version)

DGT84972 CP031

(2) Amending the applicable AFM to incorporate a later revision, which 

includes the AFM change as required by this AD, is acceptable to comply 

with the requirements of paragraph (1) of this AD.

Ref. Publications: Dassault Aviation Falcon 2000EX, AFM (DGT84278) CP017.

Dassault Aviation Falcon 2000EX EASy version, AFM (DGT88898) CP046.

Dassault Aviation Mystère Falcon 900 AFM, (DTM20103) TC118.

Dassault Aviation Mystère Falcon 900 F900C version, AFM (FM900C), TC048.

Dassault Aviation Falcon 900EX, AFM (DTM561) CP012.

Dassault Aviation Falcon 900EX EASy version, AFM (DGT84972), CP031.

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

compliance with the requirements of this AD.

A copy of these documents is available in the zip file attached to the record of 

this AD.

Remarks: 1. If requested and appropriately substantiated, EASA can approve 
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Alternative Methods of Compliance for this AD.

2. This AD was posted on 20 November 2014 as PAD 14-167 for consultation 

until 18 December 2014. No comments were received during the 

consultation period.

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

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

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

this AD, please contact your Dassault Falcon Technical Centre:

 For Europe, Middle East and Africa based operators:

(33) 1 47 11 37 37 / Fax: (33) 1 47 11 89 49

 For USA, Canada and Mexico based operators:

(1) 800-2FALCON (2325266) / Fax: (1) 201 541 4740

 All other areas: (1) 201 541 4747 / Fax: (1) 201 541 4740.