technical concerning or concerning the technical part of the preflight checks, in egypt -- egypt aireres is approved in europe and all of these approvals, so we guarantee the level of checks that happened on the aircraft, but we are still not sure about what is the reason. maybe a technical deficiency maybe simply a failure on the aircraft, but we are not sure. sometimes, most of the reports on someent reports are where because of the strikes, so at a high it hittingou have the aircraft and destroying the structure, so this could be a clue but we are not sure yet. we need to get the black boxes. that was earlier when we spoke with the former pilot and training specialist, who knew the two pilots on board flight 804. there will be many questions concerning the pilots, aircraft, the flight safety record, and if there were any possible terrorism links. at this stage, there's no clear indication as to what brought down flight 804 this thursday with 66 people on board. it took off from paris and was bound for cairo. we will bring you more of the developing story as it comes into the newsroom

so was there som explosive device on the plane or was it a mechanical error or pilot airer? we know that because there was no distress call that the pilot either weren't able, didn't have time or incapacitated and were not able to send out any sort of distress call. that could indicate some sort of catastrophic failure. as i said, right now it's anyone's guess. it this plane has completely disappeared. we do know from its emergency system it, did put out a distress signal. >> alex, you were last at charles de gaulle airport i think you mentioned a month ago. how on alert would you say the authorities were there? generally in paris to a possible attack. >> reporter: well, authorities across paris whether it's in the center of town at all the tourist sites, museums, at sensitive sites like the airports certainly in the wake of the brussels attack at the end of march which targeted the brussels airport, you can be sure they were at a very security officials are very visible. heavily armed police as well as soldiers dressed in camouflage and patrolling with automatic weapons. so

t ♪ >> update on missing egypt airer flight. >> for more on what could have gone wrong we want to welcomeior editor for safety at airline rating.com. good morning. morgood morningon.wa >> i know it's still early as ey far as investigations go to whaw may or may not have happened.pe based on what you've been ableel to see as far as altitude, maybe warning signals that were sen out there, what may have happened here? >> airplane flying at flight level 370 which is 37,000 feet0t just doesn't disappear. what strikes me, steve, aboutteo this issue, and again, you, nailed the disclaimer we do notd know at this stage in thege in t investigation what's happenedpe yet, what's happened is that the french prosecute al office is of now in on the investigative mixx along with the french civil aviation safety investigatory people, and it says something si that the french prosecutor is in on this investigation at thist t stage of the game. that would indicate the possibility of some sort of somf sabotage. >> so that's all from an from a investigative standpoint.standpo let's talk about the actuall fligh

. >> because game of thrones airer last night between 9:00 and 90 10:00 p.m. our time in d.c. and.l over the facebook and sweater and thenhe everyone talking about it people in the newsroom are yellingreel saying you can talk about this h didn't have chance at a watch ih last night.last it was too late.. you think 48 hours.ours you say a week. >> i'll agree with 48 hours.rs two days.two days. >> good enough. good enough. here's a cool thing. new app called game of spoilsf plug in that allows you to essentially block out game of thrones spoilers on twitteronwi and -- i'm trying to rewind thii as well as google news feeds ans read it as well, and you canan block it out by adding the areaa will be blocked out with a quota saying potential spoiler is hee here. here. >> okay. >> you blocked it out. it's kind of cool. >> that is cool. >> it's available on my facebook page. page >> okay. >> interesting. >> very very cool.>> v number one movie at the bockne office this weekendth called x-n apocalypse.se. everyone knows that.nows you saw it. said it was average.erag. >> average.. >> you eve