ADS-B FDL-978 Series and
Lite Series Installation Manual
Document No. 87343 Rev F
Choose a point in the existing static pressure line that is as close as practical to the TC978. Cut
the static pressure line, and use the supplied T fitting to connect the altitude encoder. Take care
not to contaminate the inside of the static line when cutting or inserting the connectors.
In all cases, the static line should include drainage provisions and should be
routed in accordance with CS 23.1325 or other applicable airworthiness
provisions for the aircraft.
The following diagram shows the general arrangement, although other combinations may be
used:
For aircraft with ¼ in static lines, two adapters are provided which can convert from ¼ in inside
diameter hoses to 3/16", compatible with the hose in the install kit.
2.13 Equipment Limitations
For a compliant installation in accordance with the TSO and the Federal Aviation Regulations
(FAR), the FDL-978 Series and FDL-978 Lite Series installations must meet the following
requirements:
TSO-C145c (87098-00, 87098-00-FR00, 87098-00-FX00, 87098-00-FT0L, and 87098-
00-FX0L only)
"The conditions and tests required for TSO approval of this article are minimum
performance standards. Those installing this article, on or in a specific type or class of
aircraft, must determine that the aircraft installation conditions are within the TSO
standards. TSO articles must have separate approval for installation in an aircraft. The
article may be installed only according to 14 CFR part 43 or the applicable airworthiness
requirements."
TSO-C154c
"This article meets the minimum performance and quality control standards required by
a technical standard order (TSO). If you are installing this article on or in a specific type
or class of aircraft, you must obtain separate approval for installation."
TSO-C157a
"This article meets the minimum performance and quality control standards required by a
technical standard order (TSO). Installation of this article requires separate approval."
2-20
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