FAA · Supplemental Type Certificate
STC ST01289WI
Installation of a Davtron Fuel Temperature System. Data Required: 1) LJSC, Ltd. Master Document List MDL4035-28280, Revision B, dated November 19, 2004; and 2) LJSC, Ltd. Airplane Flight Manual Supplement FMS4035-28280, Revision NC, dated November 19, 2004; or later FAA approved revisions to (1) or (2).
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (6)
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
- § 21.47
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗