Notes from lanesthat went wrong.

Case teardown

14 Jan 2026 · 6 min read

A 41 minute excursion on the Singapore lane, and what it cost

An aircraft swap put eight cases of comparator tablets on an uncovered dolly in 33 °C ambient. Here is the timeline, the decision, and the paperwork that followed.

Marta Vinke · Cold chain lead

Physics

27 Nov 2025 · 5 min read

Dry ice maths for 72 hour lanes

Sublimation rate, box geometry and customs delay decide whether a shipment arrives frozen. The arithmetic is simple and most packing sheets still get it wrong.

Tomas Reiner · Hardware

Quality

9 Oct 2025 · 7 min read

Writing an excursion SOP your night shift will follow

Most excursion procedures fail at 02:00 in a language nobody on duty reads. Short, specific and reachable beats thorough.

Priya Ramanathan · QA advisor

Operations

18 Sept 2025 · 6 min read

Ramp time breaks more shipments than flight time

Across eight monitored lanes, 71 percent of out-of-band minutes happened on the ground with the aircraft doors open or the truck parked.

Marta Vinke · Cold chain lead

Hardware

21 Aug 2025 · 4 min read

Sensor cadence: 60 seconds against 5 minutes

Five minute logging misses the shape of a fast excursion. It also costs less battery. Here is where each one belongs.

Tomas Reiner · Hardware

Compliance

3 Jul 2025 · 8 min read

Seven questions inspectors ask about a temperature record

Take these to your next audit rehearsal. If any answer needs a spreadsheet and an afternoon, fix the system rather than the answer.

Priya Ramanathan · QA advisor