Skip to content

Atlas / STC / SB03447CH

FAA · Supplemental Type Certificate

STC SB03447CH

Replace the Lindstrand Balloons USA fabric with Westmark Corp. 1.9 oz fabric (with either polyurethane or silicone coating) for repairs on this balloon.

Current Issued Aircraft Balloon Rev 04/29/2015 View PDF on drs.faa.gov ↗

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 (1)

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 ↗