DOCUMENT NUMBER:
L500-912.820 ISSUE JUL 20, 2016
AMENDMENT: 00
DATE: īī
CHAPTERīPAGE 9ī3
MAINTENANCE MANUAL STEMME S12
9.2 SUPPLEMENTARY EQUIPMENT
Depending on operational and environmental conditions, further equipment may be mandatory
or supplementary to the minimum compulsory equipment. The supplementary equipment allowed
to be installed is listed in the following selection list.
Certiīcation in standard conīguration is only approved for daytime VFR īights. According to
operational requirements additional lighting equipment may be required.
Subject Manufacturer Type TC No.,
Speciīcation No.
Range,
Remarks
Part No.
(STEMME)
Lighting Equipment
ACL / Position
Lights
Whelen / STEMME OR6001G
Contact manu-
facturer before
installation of
additional light-
ing equipment
Landing Light Whelen / STEMME Various
Reserved
9.3 ADDITIONAL EQUIPMENT AND SYSTEMS
Diīerent equipment and systems may be installed in the motorglider S12, which are not part of
the minimum or supplementary equipment and which normally are not series standard. Basically
the cases īAdditional Equipmentī and īOptional Systemsī have to be distinguished and treated
diīerently.
9.3.1 ADDITIONAL EQUIPMENT
In addition to the minimum and supplementary equipment, installation of the following devices is
approved. A precondition is that the electrical energy requirements remain within certiīed limits
and the certiīed weight of equipment in the instrument panel is not exceeded.
Depending on the instrument panel type the following maximum equipment weights are certiīed.
Panel Type Max. Equipment Weight
Standard 8 kg / 17.64 lb
Ultimate 12 kg / 26.46 lb
Premium 14 kg / 30.86 lb
Additionally a ground and īight test must be performed, showing electromagnetic compatibil-
ity (EMC). Changes of equipment may be performed by competent personnel only. An inspector
must conīrm the correct installation by an entry in the aircraft-logbook, the EMC-test īight, the
continued compliance to the electrical energy requirement limit and the inclusion of the changes
into the equipment list and the weight and balance report. The above-mentioned inspection and
operation documents must be added to īAnnex Cī of the S12 Maintenance Manual.