Book business class on a Qatar Airways Boeing 787 and what you get depends entirely on which Dreamliner shows up. The smaller 787-8 has open reverse-herringbone seats with no doors, while the stretched 787-9 offers enclosed suites with sliding privacy doors. Two very different products, one airline famed for its Qsuite — and the reason comes down to nine inches of fuselage.

The Dreamliner's cabin cross-section is roughly 9 inches (23 cm) narrower than the 777 and A350 families, where Qatar's flagship Qsuite was designed to fit. That margin is exactly the gap between a roomy enclosed suite and an aisle that fails evacuation and service standards. So when Qatar committed to its stretched 787-9 order, bolting in the bulky double-hinged Qsuite hardware was never an option.

The 787-8s, delivered before the Qsuite launched in 2017, all carry the B/E Aerospace Super Diamond seat: 32 aircraft, six rows in a 1-2-1 layout, direct aisle access for everyone, and seats angled toward the windows. It's a proven, comfortable product — good bed length, generous side consoles, adjustable screens — but it's open-plan. Some configurations even skip central overhead bins above the middle rows, making the cabin feel especially airy. Stepping onto one after flying an A350-1000 Qsuite, though, can feel like a step back in time.

For the 787-9, Qatar refused to drop the door. It partnered with seat maker Adient on a custom design, becoming launch customer for the Adient Ascent suite — the first sliding-door seat engineered for the Dreamliner's tighter geometry. The price: a publicly dragged-out two-year delivery delay, with FAA certification only landing in January 2021. The result is 30 suites across eight rows, with a 77-inch (196 cm) flat bed and a 21-inch seat, slightly narrower than the Qsuite's 80-inch bed. The privacy door is also four inches shorter, at 48 inches, so sightlines stay a bit more open.

So how do you know what you're getting? Check the aircraft subtype when booking — a -9 gets you the door, a -8 doesn't. And even then, aircraft swaps happen. Qatar runs a 'Qsuite Guarantee' policy offering rebooking or compensation if the marketed cabin is swapped out, worth knowing if a closing door is the whole reason you picked the flight.

This matters more than it might seem. The 787s fly plenty of European and regional trunk routes, and frequent flyers paying premium fares increasingly expect doors. Unlike Singapore Airlines, which kept one seat type across its 787-10 network, Qatar chose product ambition over uniformity — and paying attention to the seat map before you select is the difference between a private suite and an open suite that's excellent but not the same thing.