Mar 2017 Page 41
© Penny & Giles Aerospace Ltd. No part of this work may be reproduced or distributed by any
means without prior permission in writing from the copyright owner.
DATA ACQUISITION FLIGHT RECORDER Type D51615-202-XXX or D51615-
202-XXX-090- with CCU Type D51616-XXXX and CAM Type D51623-XXXX
Installation and Operating Manual with Illustrated Parts
List
Commercial in Confidence
PIM434-I
B. Remove power from the DAFR for more than one
second.
Operating Rules require the CVR function to start operating as
soon as possible during the check list procedure. If power is
likely to have been applied to the DAFR more than 10
minutes before commencement of this procedure, then it will
be necessary to carry out one of the actions detailed above,
early in the check list procedure.
4.8 VOICE ERASE
A Voice Erase feature is provided. Once initiated it prevents
access to the Cockpit Voice recording. The corresponding
Flight Data recording is not affected.
Operating Rules do not mandate a Voice Erase function; it is
therefore an installation option. If implemented it is,
however, mandatory to provide a safety interlock to prevent
accidental operation. Further guidance is contained in ARINC
757.
4.9 RECORDER LOCATION
Operating rules give guidance on the recorder location. The
environment at the chosen location must be within the DAFR
specification limits. For long-term reliability, it is strongly
recommended that, for aircraft, the DAFR is mounted in a
heated, pressurized area of the fuselage, as far aft as
practical. For helicopters, where the operational environment
is not so severe, space and weight considerations may
determine a suitable location. In either case, access to the
replay panel and headphone jack should be considered.
4.10 MOUNTING
The DAFR is designed to perform to its published specification
when attached directly to the airframe. Mounting in this
manner is achieved using four 6.35mm (¼”) bolts.
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