As with runway 4R/22L at the Little Rock National Airport , site of the American Airlines Flight 1420 overrun accident , runway 8/26 in Burbank was exempt from the runway safety area standard . The NTSB cited this accident in a recommendation for installing the engineered materials arrestor system ( EMAS ) at airports where it is not feasible to establish the runway safety area ( RSA ) . A US$ 4,000,000 EMAS was subsequently installed as a result of this accident at Burbank airport
American Airlines Flight 1420
American Airlines Flight 1420
Southwest Airlines Flight 1455