Air TransportA shortage — and in some cases the lack of regulatory certification — of aircraft seats has become a serious bottleneck for new-plane deliveries and entry-into-service plans. The most recent case is that of Lufthansa, which will have to block 24 business class seats on its newest Boeing 787-9 because they have not been certified by the US Federal Aviation Administration (FAA) – only four forward suites are available for now.
The Collins Aerospace-made seats failed impact testing and remain uncertified, forcing the carrier to operate with the bulk of its premium cabin effectively blocked.
That Lufthansa episode underlines a broader supply-chain fragility that has persisted since the pandemic. Demand for premium cabins rebounded rapidly while seat manufacturers and suppliers face capacity limits, longer lead times and more complex certification requirements.
Modern business-class products combine mechanical complexity, privacy doors and integrated electronics, which extend testing cycles and raise the probability of setbacks during FAA or EASA certification.

Similar disruptions have been reported elsewhere. Air India has acknowledged up to a year’s delay in its cabin retrofit programme because certified seats were unavailable on schedule. In the U.S., American Airlines recorded delivery delays or operational delays tied to seat supply — notably an A321XLR that could not enter service in its intended configuration because the planned seats were not delivered in time.
Industry analysts point to several root causes: rigorous certification regimes (impact tests, occupant safety and fatigue evaluations), supplier concentration with limited surge capacity, and high levels of airline customisation that reduce interchangeability.
When a seat design fails required tests — as in Collins’ case with Lufthansa — suppliers often must redesign components, rerun qualification tests and occasionally rework built units, multiplying lead-time impacts.
Remedies are pragmatic but imperfect. Airframers and seat makers are accelerating test programmes and seeking alternative suppliers; airlines are evaluating temporary seat substitutes, operating with blocked rows, or deferring deliveries until homologation is complete.

Even so, there is no single fix: normalization is likely to be gradual, contingent on increased industrial capacity, smoother regulatory cycles and improved logistics. Industry observers expect partial relief within months but warn that a full recovery could take longer.
For now, the seat issue is more than an operational nuisance: it affects airline schedules, revenue management and passenger experience, demonstrating that even seemingly small elements of the supply chain can have outsized impacts on global aviation.