FAA · Supplemental Type Certificate
STC SA1604GL
Replace existing Janitrol combustion heater. (E55 S/N'S TE-959, TE-968 THRU TE-1075) (58 S/N'S TH-437 THRU TH-712) (95-B55 S/N'S TC-1658 THRU TC-1926)
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 (3)
Certification basis — 14 CFR
Specific sections
- Sec. 111
- Sec. 113
- Sec. 115
- Sec. 117
- Sec. 119
- Sec. 120
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗