JACKSONVILLE, Fla — Pets aboard the 737 aircraft that skidded off the NAS Jacksonville runway Friday night have not been retrieved yet, NAS Jax reported. 

(MORE: 'It's a miracle:' No fatalities, minor injuries after plane skids into St. Johns River with 143 people on board)

At a 1:30 a.m. press conference Saturday, NAS Jax said there was a mix of military and civilians on board, and added there may have been pets, but none have been accounted for or recovered. 

The Naval Air Station posted an update around 3:30 a.m. stating the pets had not been retrieved due to "safety issues." 

"Our hearts and prayers go out to those pet owners during this terrible incident."