STC ST04423AT

Modification of Short Brothers SD3-60 Sherpa to include incorporation of OEM static line and support structure, paratroop door modification, seating configuration, door edge protector and battery vent tube

Current Reissued Aircraft Large Airplane Rev 06/22/2018 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)

A41EU Short Brothers PLC · SD3-60 SHERPA

Certification basis — 14 CFR

Part 21
Part 25
Part 36

Specific sections

Sec. 111
Sec. 113
Sec. 115
Sec. 117
Sec. 119
Sec. 120
§ 21.47
§ 21.101
§ 21.115
§ 21.120

The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗