FAA · Supplemental Type Certificate
STC SR02794LA
Installation of Ballast Box
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 (25)
- R00021LA Billings Flying Service Inc. · UH-60A
- R00026LA CAPITOL HELICOPTERS INC · HH-60L
- R00026LA CAPITOL HELICOPTERS INC · UH-60A
- R00020LA PJ Helicopters Inc · UH-60A
- R00027LA Reeder Flying Service Inc. · UH-60A
- R00025LA SIXTYHAWK TC LLC · EH-60A
- R00025LA SIXTYHAWK TC LLC · HH-60L
- R00025LA SIXTYHAWK TC LLC · UH-60A
- R00022LA SKYDANCE BLACKHAWK OPERATIONS LLC · UH-60A
- R00019AT Delta Enterprise · EH-60A
- R00019AT Delta Enterprise · UH-60A
- R00052SE Timberline Helicopters Inc. · UH-60A
- R00003AC Pickering Aviation Inc. · EH-60A
- R00003AC Pickering Aviation Inc. · UH-60A
- R00058SE Northwest Rotorcraft LLC · UH-60A
- R00020AT Carson Helicopters Inc. · UH-60A
- R00005RC ACE Aeronautics LLC · UH-60A
- R00023LA Unical Aviation Inc. · UH-60A
- R00054SE High Performance Helicopters Corp. · UH-60A
- R0012DE BHI H60 Helicopters LLC · BHI H60 (UH-60A)
- H3NE Sikorsky Aircraft Corporation · S-70C
- H5NE Sikorsky Aircraft Corporation · S-70A
- R00028LA Heliqwest International Inc. · EH-60A
- R00028LA Heliqwest International Inc. · UH-60A
- R00029LA Central Copters Inc. · HH-60L
Certification basis — 14 CFR
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗