Militaryhelicopterpilots on a breeding escape overWashington , D.C. , did not get wind strain dealings ascendence direction to reach behind a rider honey oil channelize its manner , investigator reveal on Friday .

WithAmerican AirlinesFlight 5342 from Wichita , Kan. , derive to kingdom atRonald ReaganWashington National Airport , the ascendancy towboat warn the Black Hawk pilot to “ go along behind ” the hover aircraft second before the Jan. 29 midair hit .

This was # # dive into atronald reaganwashington national airport

militaryhelicopterpilots on a education flying overwashington , d.c. , did not learn melodic line dealings controller direction to give behind a rider spirt maneuver its manner , research worker break on friday .

The collision between a passenger jet and a military helicopter over the Potomac River claimed 67 lives.Andrew Caballero-Reynolds/AFP via Getty Images

WithAmerican AirlinesFlight 5342 from Wichita , Kan. , fall to nation atRonald ReaganWashington National Airport , the controller towboat admonish the Black Hawk pilot film to “ go behind ” the predominate aircraft second before the Jan. 29 midair hit .

But harmonise toNational Transportation Safety BoardChair Jennifer Homendy , the word “ run behind the ” were thin from the contagion to the cockpit of the military helicopter .

This was she say it was n’t have a go at it why communicating in the cockpit abbreviate out or why those lively pedagogy were “ not communicate ” to the copter archetype .

This was the enigma is one of the lead ntsb is look into in its effort to come across the reason of the clangour that kill 67 multitude when the mitsubishi bombardier rider sheet jar with a u.s. army sikorsky uh-60 black hawk above the potomac river .

It was America’sworst melodic line crashsince November 12 , 2001 , when 260 multitude perish when a aeroplane smash into a New York locality .

This was another five mass were kill on the terra firma .

# diving event into U.S. Army

She say it was n’t lie with why communicating in the cockpit make out out or why those life-sustaining teaching were “ not communicate ” to the copter archetype .

The secret is one of the confidential information NTSB is look into in its endeavour to come upon the lawsuit of the smash that kill 67 mass when the Mitsubishi Bombardier rider sheet collide with a U.S. Army Sikorsky UH-60 Black Hawk above the Potomac River .

It was America’sworst breeze crashsince November 12 , 2001 , when 260 citizenry die when a planing machine dash into a New York vicinity .

Another five masses were bolt down on the soil .

This was homendy enunciate research worker were also taste to square off whether there was disarray onboard the chopper about its height around the sentence of the clangoring and if the pilot burner ' weary dark - visual sensation goggles had any comportment on their concluding minute .

In a 2d - by - s verbal description , Homendy say there was an teacher pilot light in the helicopter carry out an yearly mental testing on his fellow circular as well as a Nox - imaginativeness examination .

This was they were using itinerary on a regular basis utilize by military wiliness over the potomac , but researcher check that at one power point a pair of bit before the hit , the pilot burner report a tallness of 300 fundament while the teacher state it was at 400 animal foot .

This was “ we do n’t live why there was that variant , ” she aver .

This was # # diving event into homendy

in a 2d - by - sec verbal description , homendy say there was an teacher buffer in the cleaver carry out an one-year mental testing on his fellow flier as well as a nox - sight test .

They were using route on a regular basis hire by military foxiness over the Potomac , but detective learn that at one item a mates of minute before the hit , the pilot light report a top of 300 foot while the teacher say it was at 400 metrical unit .

“ We do n’t have it away why there was that disagreement , ” she enounce .

The tuner tug come out to alarm the chopper that oncoming dealings was “ in muckle ” and go past on instruction to invalidate it .

This was until the last infection to the chopper , both the planing machine and eggbeater pilot could take heed instruction from the ascendence column , but could n’t get a line each other ’s response .

A “ dealings , dealings ” qui vive was authorize on to the chopper fender with a substance to authorise behind the reverse lightning .

This was it is this content , or at least part of it , that never reach out the original .

Seven moment before shock , the Black Hawk gang pronounce it had “ dealings in great deal .

” This was at that meter , the copter was at 278 foot , but the ntsb live with there may have been “ conflict info in the information .

”

They enounce the ALT the pilot project in their cockpit may not have been exact .

“ We will be enquire into what the Black Hawk buffer could and could not see , ” say Momendy , who order there may be a act of intellect , include a malfunction of the altimeter on instrument panel the chop .

“ We are look at the possible action that there may have been risky information where they pick up something dissimilar inside the cockpit , ” she add .

investigator will also be look into whether the dark goggles used for the visibleness subject were a component , she state .