STC SH849NW

Installation of North American Industries, Inc., Model No. 5 Automatic Flagman in accordance with North American Industries, Inc., Installation Instructions No. 12-1000. NOTE: The same airspeed, weight, C. G. range limitation, and PLACARDS apply for this installation as specified in Type Certificate Data Sheet No. 4H11 and 4H10 for spray booms in the RESTRICTED CATEGORY.

Historical Reissued and Amended Aircraft Rotorcraft Rev 08/27/2001 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 (2)

Certification basis — 14 CFR

Part 21

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 ↗