MIL-STD-810H
521.4 Icing / Freezing Rain
MIL-STD-810H Part Two, Method 521.4
What It Evaluates
Tailor ice thickness, spray coverage, orientation, and removal method. Typical conditions use 0–3°C water, 25 mm/h spray, 1.0–1.5 mm droplets, and ice thicknesses of 6, 13, 37, or 75 mm.
When It Applies
Applies freezing water spray to build a controlled glaze-ice layer on exposed surfaces.
Likely Procedures
Procedure selection requires engineering review of the item lifecycle and contract requirements.
Typical Ranges / Conditioning
Severity, duration, and conditions require engineering tailoring; no generic value is assigned by this tool. Conditioning details require review by qualified engineers and applicable contract requirements.
This tool provides preliminary planning information only. Final MIL-STD-810H, MIL-STD-461, and RTCA DO-160 requirements must be reviewed and tailored by qualified engineers based on the product, lifecycle, platform, environment, and contract requirements.