Q. Since you mentioned in the above shailos, again and again that a leading Talmid Chacham or a known Rosh Yeshiva, should avoid eating in public, how come I have seen the best of the best eating a meal when traveling in an airplane?
A. Horav Aharon Miller Shlit’a explained that because of the singular conditions and the need involved, it is seen as similar to eating food in a restaurant that is usually permitted.
Rabbi A. Bartfeld as revised by, Horav Dovid Pam, Horav Aharon Miller, Horav Chanoch Ehrentreu and Horav Kalman Ochs Shlit'a