Guides

Compliance, explained like you're busy.

Written from the DOM chair. Every guide cites its regulation.

SMS · DEADLINE MAY 2027

The Part 135 SMS deadline: what May 2027 actually requires

What Part 5 asks for, what acceptance looks like, and the three ways to get there — with honest costs.

CLASS 7 · PILLAR

Radioactive parts on aircraft: the complete working list

Tritium, DU, Kr-85, Am-241 — where they hide, and the license that attached itself to your inventory.

CLASS 7 · HOW-TO

How to ship a tritium exit sign legally (UN2911)

The three mandatory package elements, the one-line paperwork, carrier reality, and the aggregation trap.

SMS · BUYER'S GUIDE

How much does Part 135 SMS implementation cost?

Consultants vs. software vs. DIY vs. kits — honest 2026 numbers, including the option we sell.

CLASS 7 · DEEP DIVE

DU counterweights: handling, shipping, disposal

Source material under 10 CFR 40, UN2909 shipping, and why the scrap bin is a crime scene.

More guides publish weekly. Get the free tools — the Part 5 gap check and the radioactive-components lookup card — on the home page.