Is it true that you issued a ruling permitting the performance of the obligatory prayer while sitting in an airplane, despite the ability to stand?

Question:
He says: Honorable Shaykh, may Allah grant you success. One of the brothers mentioned that you issued a ruling permitting the performance of the obligatory prayer while sitting in an airplane, despite the ability to stand. Is this ruling...

Answer:
The ability? No. Standing is a pillar of the prayer. However, if one is unable to stand, he prays sitting, whether in an airplane or elsewhere. If one is unable to stand, he prays sitting, whether in an airplane or elsewhere. Yes.