The MACH Blog
Notes on flying better, written with working crew.
How to Build Your In-Flight Supplement Stack
A smart supplement stack can make the difference between landing sharp and landing flat. Here's how to build yours for any flight.
Read the pieceShort-Haul Flights and Dehydration: Why Even a 2-Hour Flight Matters
Even a 2-hour flight dehydrates you. Here's why short-haul hydration matters — for cabin crew, business commuters, and travellers connecting to long-haul routes.
Read the pieceThe Frequent Flyer's Guide to Hydration: Staying Sharp on Business Travel
Business travellers rarely optimise hydration — but it’s one of the highest-leverage changes you can make. Here’s a practical pre-trip, in-flight, and arrival protocol...
Read the pieceCabin Crew Health: Managing Dehydration Across a Long-Haul Roster
Cabin crew dehydration is cumulative across a roster, not just a single-flight issue. Here's a systematic hydration strategy that covers pre-flight, in-flight, and layover...
Read the piecePilot Hydration: Why Water Alone Isn't Enough on the Flight Deck
Mild dehydration impairs pilot cognition in measurable ways — and water alone isn't enough to prevent it. Here's a practical hydration protocol for the...
Read the pieceCabin Dryness and Turbulence: Staying Hydrated When Flying Gets Hard
Cabin dryness and turbulence stress both deplete you faster than you realise. Here's a practical hydration strategy for long-haul flights — for crew and...
Read the pieceJet Lag Recovery: How Hydration Speeds Up Your Reset
Dehydration makes jet lag significantly worse. Here's how a hydration-first approach to recovery — before, during, and after your flight — can speed up...
Read the pieceElectrolytes vs Water: Which Is Better for Hydration in Flight?
Water alone isn't always enough at altitude. Here's why electrolytes are essential for effective in-flight hydration — and how to use both correctly.
Read the pieceCaffeine and Hydration in Flight: What Pilots and Crew Need to Know
Caffeine at altitude is a double-edged sword. Understand how it interacts with cabin dehydration — and how to use electrolytes to maintain performance on...
Read the pieceTravel Fatigue: Why You Feel Tired After Flying & How to Recover
Feeling tired after flying? You’re not alone. Long-haul flights can leave you feeling exhausted, dehydrated, restless and out of your normal routine — even...
Read the pieceHow to Stay Hydrated on a Long-Haul Flight
Why Long-Haul Flights Are So DehydratingCabin air is notoriously dry — humidity levels on commercial aircraft typically sit between 10–20%, far below the 30–60%...
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