regional jet crash? (American Airlines) at Reagan (DCA)

191,315 Views | 1557 Replies | Last: 1 day ago by titan
Pinochet
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ETFan said:

Artorias said:

Why do we even have training flight routes that intersect takeoff/landing flights paths at public airports?

It's not a training route, it's a just a route. The approach to 33 has a final fix/turn at 490' that descends to the runway at ~13'.


Someone with access to foreflight give me the profile from IDTEK to the TDZE at 13'. Wondering what the clearance is there with an aircraft on approach and heli at the 200' max on route 4.

EDIT: Not that it matters. These clearances have been approved by the FAA and it's not some willy nilly thing. I'm just curious. Obviously the heli was out of place according to the charts.

The VDP is 0.6 from IDTEK, but the plate says you should be at 490 at IDTEK on the rnav approach.
Pinochet
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SirDippinDots said:

Pinochet said:

SirDippinDots said:

fc2112 said:

Lotta shade being thrown at ATC by the helo pilots while it seems pretty evident the helo pilot f'd up by flying at the wrong altitude.


Agree but does ATC not know the HC altitude? Should ATC not have told HC to descend below 200 ft?

Actually, no, they generally only have the unadjusted encoded altitude.


Not sure I know about that but if some unadjusted altitude disagrees with the HC crew's reported altitude should they not question? Should HC not be giving their altitude to ATC when they are near runy with AC approaching?

No, ATC works on the unadjusted altimeter readings. The mode c encoder broadcasts the altitude without adjustment. That way they know that everyone is broadcasting the same thing relative to everyone else (as though the Kollsman window says 29.92). They provide a local altimeter setting so that in the cockpit, you can set your altimeter and get the actual altitude. If your encoding altimeter allowed you to change the altitude you broadcast, that would cause more issues because there would be absolutely no way to tell if you were at the same altitude as another target.
TexasAggiesWin
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S
The ATC asked if the helicopter crew had the plane in sight, the helicopter crew said they did and would maintain visual separation. It is clear that the helicopter crew did not have the correct airplane in sight. I speculate that the crew of the helicopter were looking at the plane approaching Runway 1, American 3130. The helicopter proceeded to fly directly into the approaching CRJ who was in the correct position to land on Runway 33.

I would imagine this accident will lead to massive changes in procedures around DCA and potentially nighttime operations as well across the board, which I still would argue have been needed for some time.
GarlandAg2012
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Can't find a good visual comparison, but here is some info on size comparison of an A319 vs CRJ700 and a 737 vs a CRJ700

It isn't hard for me to believe that the larger aircraft was mistaken for the CRJ given that it was night time and the larger plane was further away





Missing the A319, but still informative. I think an A319 is the same diameter as an a320, just a shorter aircraft.

aggiehawg
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In the short term, reduce the volume of flights allowed into and out of Reagan?
Rockdoc
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Was the helicopter cleared to fly up to that altitude or do we know?
Charpie
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Rockdoc said:

Was the helicopter cleared to fly up to that altitude or do we know?


I don't think we know yet
annie88
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I still don't understand why the helicopters were flying so close to where planes were landing in the dark with certain equipment. Something is very strange about that. Just does not seem like a good idea.
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GarlandAg2012
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annie88 said:

I still don't understand why the helicopters were flying so close to where planes were landing in the dark with certain equipment. Something is very strange about that. Just does not seem like a good idea.
I think a lot more things are actually on the proverbial razor's edge than any lay person knows. And not just in aviation. We rely on people in control of these situations to follow the standard practices.
Kenneth_2003
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torrid said:

LMCane said:

has anyone explained exactly WHY a dangerous Army training mission (Hegseth's words)

has to be conducted on a CIVILIAN AIRPORT?

when there is Fort McNair, Joint Base Bolling and Fort Myer they could use within 10 minutes flight time?!
Again, this is the nature of DC airspace with a busy, close-in airport and military helicopters frequently shuttling government VIPs around. This was probably training to operate specifically in DC airspace. And yes, they may need to re-think their training.
Lt. Col. on Fox and Friends this morning (I believe retired) used to drive the UH60 and said he selected and assigned crews to this (or one of these) units in DC.

He did say they underwent additional DC specific training once on post before being allowed to fly operational missions.

No speculation in my post. Just repeating what I heard this morning.
Rockdoc
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A military helicopter pilot just said on Buck and Clay that the helicopter should have been denied to cross that flight path with traffic in the pattern.
eric76
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v1rotate92 said:

Don't misinterpret "training mission"
Does not mean low qualified or inexperienced. Training mission means not on an operational mission and most military flights are training. Even our military flyover flights at sporting events are often under "training"
Exactly.

When I was a kid, we got to see B-52 training flights very frequently. They were flying over the farm at about 300 to 600 feet and this was 100 miles from the nearest SAC base. Those weren't low time pilots.
SirDippinDots
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Pinochet said:

SirDippinDots said:

Pinochet said:

SirDippinDots said:

fc2112 said:

Lotta shade being thrown at ATC by the helo pilots while it seems pretty evident the helo pilot f'd up by flying at the wrong altitude.


Agree but does ATC not know the HC altitude? Should ATC not have told HC to descend below 200 ft?

Actually, no, they generally only have the unadjusted encoded altitude.


Not sure I know about that but if some unadjusted altitude disagrees with the HC crew's reported altitude should they not question? Should HC not be giving their altitude to ATC when they are near runy with AC approaching?

No, ATC works on the unadjusted altimeter readings. The mode c encoder broadcasts the altitude without adjustment. That way they know that everyone is broadcasting the same thing relative to everyone else (as though the Kollsman window says 29.92). They provide a local altimeter setting so that in the cockpit, you can set your altimeter and get the actual altitude. If your encoding altimeter allowed you to change the altitude you broadcast, that would cause more issues because there would be absolutely no way to tell if you were at the same altitude as another target.


Well why was the helicopter flying at 375 feet when clearance for 200? At the end of the day pilots are responsible for knowing altitude just like ATC to ensure aircraft are following restrictions.
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k20dub
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Feel awful for those on that plane. I imagine they were feeling a sense of relief once they saw the runway that they were landing on - I know I always do when I fly. Then in a split second, their lives are over.
Charpie
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eric76 said:

v1rotate92 said:

Don't misinterpret "training mission"
Does not mean low qualified or inexperienced. Training mission means not on an operational mission and most military flights are training. Even our military flyover flights at sporting events are often under "training"
Exactly.

When I was a kid, we got to see B-52 training flights very frequently. They were flying over the farm at about 300 to 600 feet and this was 100 miles from the nearest SAC base. Those weren't low time pilots.
Out here NW of Dyess AFB, we get lots of aircraft that fly REALLY low
BBRex
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Rockdoc said:

A military helicopter pilot just said on Buck and Clay that the helicopter should have been denied to cross that flight path with traffic in the pattern.
A page or two back someone posted that the helicopter had clearance to go behind the aircraft they had visual on, and that no matter what else about altitude or whatnot, the path of the helicopter was decidedly not behind either the aircraft they collided with or the one we assume they had visual on.
fc2112
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If the argument here is about whether aircraft monitors altitude vs. the airport or vs. sea level, it's kind of a moot point for this incident.

Reagan is at 14' altitude.

The question is - did the ATC give the helicopter permission to go above 200'? I can't imagine why the ATC would do so - I asked earlier on this thread what the reason for wanting to be above 200' could be and no one replied - which tells me there probably isn't a good reason to be above 200' in this airspace.
GarlandAg2012
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I don't have the knowledge to verify if this is correct, but if so, it changes the narrative on the HC being clearly at fault. I don't mean to imply it makes it the airplane pilot at fault, or ATC, but if that approach and the HC route are both around 200' at the point they cross, that seems like a really bad plan.
ETFan
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annie88 said:

I still don't understand why the helicopters were flying so close to where planes were landing in the dark with certain equipment. Something is very strange about that. Just does not seem like a good idea.
It's not that strange if you look at the charts.





Typically fine when procedures are followed correctly. This hasn't happened since 2009.
annie88
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Yeah it's just weird though. I mean that video that shows it almost looks like it flies directly into it. I mean, we won't know what happened for a while if we ever truly know, but something just very odd.
Rockdoc
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BBRex said:

Rockdoc said:

A military helicopter pilot just said on Buck and Clay that the helicopter should have been denied to cross that flight path with traffic in the pattern.
A page or two back someone posted that the helicopter had clearance to go behind the aircraft they had visual on, and that no matter what else about altitude or whatnot, the path of the helicopter was decidedly not behind either the aircraft they collided with or the one we assume they had visual on.

Oh I know they were cleared to go behind. My point was this military pilot said they should not have been there in the first place (with traffic in the pattern)
Bunk Moreland
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I believe the helicopter was just below and the rotor clipped the bottom of the plane
Rockdoc
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Bunk Moreland said:

I believe the helicopter was just below and the rotor clipped the bottom of the plane

There's a vid showing that?
flown-the-coop
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Rockdoc said:

Bunk Moreland said:

I believe the helicopter was just below and the rotor clipped the bottom of the plane

There's a vid showing that?
I heard one of the interviewees on Fox indicate the helicopter hit the CRJ towards the bottom of plane.

There are either additional videos and/or eyewitnesses that have not been shared publicly just yet.

Very likely there is video. Lots of cameras everywhere, particularly in DC (unless you are planting pipe bombs and political headquarters, then no information available).
HtownAg19
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GarlandAg2012 said:



I don't have the knowledge to verify if this is correct, but if so, it changes the narrative on the HC being clearly at fault. I don't mean to imply it makes it the airplane pilot at fault, or ATC, but if that approach and the HC route are both around 200' at the point they cross, that seems like a really bad plan.


The flight was not on the charted GPS approach to 33 they were on a visual approach to 1, circle to land on 33. The helicopter was told to maintain visual separation. As soon as they accept that (which they had requested) all responsibility is on them to avoid traffic
BBRex
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Rockdoc said:

Bunk Moreland said:

I believe the helicopter was just below and the rotor clipped the bottom of the plane

There's a vid showing that?
Here's the best video I've seen (assuming it is real and from last night), and I don't think you can tell. I expected to see landing lights, but maybe it's just the angle.

Bunk Moreland
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Rockdoc said:

Bunk Moreland said:

I believe the helicopter was just below and the rotor clipped the bottom of the plane

There's a vid showing that?

No, I heard it earlier, due to no major explosion/fire, along with the way it appeared both aircraft fell into the water and the condition of them in the water that it was consistent with the rotor clipping vs a direct hit.
Rockdoc
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I was kind of assuming because of the speed of the jet, the right wing/engine caught the helo. I just can't tell.
Blackhorse83
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Rockdoc said:

A military helicopter pilot just said on Buck and Clay that the helicopter should have been denied to cross that flight path with traffic in the pattern.
As a former Army helicopter pilot I agree with this completely. I never had a situation where I was asked to transit airspace below aircraft on short final approach. The aircraft should have been diverted away from the active traffic until there was proper spacing between aircraft on final or where there was more vertical spacing between aircraft. This procedure was and now is an accident waiting to happen.
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aviationag
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aggiehawg said:

Quote:

This is a tragedy as ALL accidents are. Helicopter traffic up and down the Potomac has been part of daily operations and the procedures and airspace design include those operations as factors.
From my understanding thus far, Reagan's location is rimmed by other sensitive locations such as the WH, Pentagon, military bases, etc. Thus the airspace design and procedures are far more complicated due to that. Additionally, volume of traffic at Reagan has greatly increased since 9/11. Same with military training flights, post 9/11.

Part of the increase in traffic at Reagan is due to members of Congress (House and Senate) want direct flights back home at Reagan because it is much more convenient for them in terms of time saved instead of full commercial flights which use their hub systems for multiple stops, maybe plane changes, etc.

So at what volume level do the procedures and airspace design become impossible given that location in DC?


Great question. DCA is reviewed regularly as I understand it and your observation about capacity and its impact is considered , including runway arrival and departure rates in varying conditions which also impact staffing. Those rates are adjusted for varying conditions. I am at DCA almost every other week and sometimes weekly. If you remember there was a loss of separation, runway incursion, at DCA last May. I happened to be there when it happened. Lot of retraining went on as a result.
ETFan
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HtownAg19 said:

GarlandAg2012 said:



I don't have the knowledge to verify if this is correct, but if so, it changes the narrative on the HC being clearly at fault. I don't mean to imply it makes it the airplane pilot at fault, or ATC, but if that approach and the HC route are both around 200' at the point they cross, that seems like a really bad plan.


The flight was not on the charted GPS approach to 33 they were on a visual approach to 1, circle to land on 33. The helicopter was told to maintain visual separation. As soon as they accept that (which they had requested) all responsibility is on them to avoid traffic
Wouldn't they still use the 33 RNAV as guidance? Flight path also suggests this.

I don't know that the tweet about aircraft height on approach is correct.
bobbranco
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fullback44 said:

bobbranco said:

Supposedly an experienced Officer and CWO flying.
That's cool and all but why did they deviate ? Seems some dummy wasn't paying attention, doesn't matter how much experience you have when you aren't paying attention or better yet do stupid stuff
Never said they weren't being stupid or cowboying it up.
Rockdoc
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And another question I have is why didn't the controller ask the helo if he had a visual on the CRJ at 10:00 or whatever, when the other jet taking off would have been at his 3:00?
fc2112
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That math is wrong it's more like 450 feet
CampSkunk
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