FAA · Supplemental Type Certificate
STC SA2404WE
Consolidation of STC s SA355CE and SA362CE into one STC having a Master Eligibility List and amendment of these STC s to include and improved Power Supply Assembly and Subchassis Timer Assembly for the Twilighter MK III high intensity supplementary lighting system in accordance with the applicable FAA sealed drawing listed on the attached sealed Master Eligibility List Number SA2404WE.
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 (16)
- 3A10 Cessna Aircraft Company · 310G
- 3A10 Cessna Aircraft Company · 310F
- 3A10 Cessna Aircraft Company · 310
- 3A25 Cessna Aircraft Company · 320
- 3A25 Cessna Aircraft Company · 320A
- 3A25 Cessna Aircraft Company · 320B
- 3A25 Cessna Aircraft Company · 320-1
- A7CE Cessna Aircraft Company · 402
- A7CE Cessna Aircraft Company · 421A
- A7CE Cessna Aircraft Company · 421
- A7CE Cessna Aircraft Company · 401
- A7CE Cessna Aircraft Company · 401A
- A7CE Cessna Aircraft Company · 411
- A7CE Cessna Aircraft Company · 411A
- A3EU Hawker Beechcraft Corporation · BH.125 Series 600A
- A3EU Hawker Beechcraft Corporation · DH.125 Series 400A
Certification basis — 14 CFR
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 ↗