AA / Blackhawk Crash and other Crash and FAA News

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nycfan said:


“…
National Transportation Safety Board Chairwoman Jennifer Homendy told reporters that the recording from the Black Hawk helicopter cockpit suggested an incomplete radio transmission may have left the crew without understanding how it should shift position just before the Jan. 29 crash, in which all 67 aboard the two aircraft were killed,

“That transmission was interrupted -– it was stepped on,” she said, leaving them unable to hear the words “pass behind the” because the helicopter’s microphone key was pressed at the same moment.

… William Waldock, professor of safety science at Embry-Riddle Aeronautical University, said stepped-on transmissions — where a pressed microphone key blocks incoming communication — is a well-known problem in aviation.

… The helicopter pilots may have also missed part of another communication, when the tower said the jet was turning toward a different runway, she said.

Homendy said the helicopter was on a “check” flight that night where the pilot was undergoing an annual test and a test on using night vision goggles. Investigators believe the crew was wearing night vision goggles throughout the flight. …”
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“… The collision likely occurred at an altitude just under 300 feet (91 meters), as the plane descended toward the helicopter, which was well above its 200-foot (61-meter) limit for that location.

Cockpit conversations a few minutes before the crash indicated conflicting altitude data, Homendy said, with the helicopter’s pilot calling out that they were then at 300 feet (91 meters), but the instructor pilot saying they were at 400 feet (122 meters), Homendy said.

“We are looking at the possibility there may be bad data,” she said.

That generation of Black Hawks typically has two types of altimeters — one relying on barometric pressure and the other on radio frequency signals bounced off the ground. Helicopter pilots typically rely on barometric readings while flying, but the helicopter’s black box captures its radio altitude.

The radio altitude at the time of the impact put the Black Hawk at 278 feet (85 meters), Homendy said.

“But I want to caution, that does not mean that’s what the Black Hawk crew was seeing on the barometric altimeters in the cockpit,” she said.

Waldock said the helicopter pilots, with their night vision goggles interfering with their peripheral vision, may have wrongly focused on a plane that took off just before the collision. …”
 
Delta plane flipped over on landing in Toronto.

No fatalities. one critical injury
 
A Delta Air Lines flight arriving at Toronto Pearson Airport from Minneapolis appears to have overturned while landing on Monday afternoon, with photos across social media showing an airplane with its belly up on the tarmac.

The airport said on social media that all passengers and crew had been accounted for.

The airport said there had been “an incident upon landing involving a Delta Air Lines plane arriving from Minneapolis” and that emergency teams were responding.

Peel Region paramedics told the Canadian Broadcasting Corporation that eight people were injured.

The airport said earlier in the day that it was expecting “a busy day” after airlines were catching up after back-to-back snowstorms, including a weekend snowstorm that dumped more than eight inches of snow.

Temperatures in Toronto were expected to reach a high of only 20 degrees Fahrenheit.

The flight was operated by a Delta subsidiary, Endeavor Air, which typically runs smaller planes on shorter routes for its parent airline.

Endeavor’s fleet includes about 120 Bombardier CRJ-900’s, the type of plane involved in the crash on Monday. Those aircraft are configured with 70 or 76 seats.
 
-4 F in Toronto and the passengers evacuating were being hit with overspray from the fire trucks as they got out of the plane.


brrrrrrrrr
 
3 air ambulances, two ground ambulances

1 child going to the children's hospital with critical injuries
1 man in his 60s with critical injuries
1 woman in her 60's with critical injuries.

those are probably the air ambulances, departing to three different hospitals
 
altmin said:
3 air ambulances, two ground ambulances

1 child going to the children's hospital with critical injuries
1 man in his 60s with critical injuries
1 woman in her 60's with critical injuries.

those are probably the air ambulances, departing to three different hospitals
Click to expand...
I wonder if the child was an infant in a parent’s lap. I’ve never understood why they make you stow your 2 pound tablet, but it’s okay to have a 20 pound human just sitting there.
 
One of the wings was ripped off when the plane turned upside down. The people who were critically injured were seated by the section where that wing joined the fuselage.
 
BlooVooDoo said:
I wonder if the child was an infant in a parent’s lap. I’ve never understood why they make you stow your 2 pound tablet, but it’s okay to have a 20 pound human just sitting there.
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Because you can't safely stow a 20lb baby?

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Looks like the right landing gear buckled, causing it to tip the right and snap off the wing, where the fuel ignited. Lift on the remaining left wing caused it to raise up then turn over.
 
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