Field notes

Observations from aprons, chart rooms, and briefing tables — written for operations staff who measure minutes where they matter.

Ground power unit connected to aircraft at gate

13 Jun 2025 · Lee Ji-woo

Why GPU Connection Shows Up Late on Morning Banks

Morning turnaround charts often blame catering or cleaning, but at three airports we visited this spring the GPU hook-up interval was the hidden stretch.

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Airport apron diagram with marked vehicle routes

21 Apr 2025 · Han Seung-min

Reading Tow-Path Conflicts on a Hand-Drawn Apron Diagram

Log exports show delays; a pencil sketch of tow routes shows why. We still start every traffic mapping engagement with paper before pixels.

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Aircraft at remote stand connected by bus bridge

7 Feb 2025 · Kang Hyunji

Remote Stand Occupancy Without the Heatmap Hype

Heatmaps look impressive in board packs, but the number executives need first is simpler — how many minutes remote stands sit empty between banks.

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Printed data tables and clipboard on analyst desk

16 Jan 2025 · Park Ye-jin

What to Put in a Movement Log Sample Before We Visit

Incomplete logs cost you money and cost us field days. Here is the minimum export format that lets us chart accurately on the first pass.

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