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B-737 Cargo Plane down in Hawaii

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B-737 Cargo Plane down in Hawaii

Old 11th Jul 2021, 16:49
  #201 (permalink)  
 
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400’ is well beyond the range of SCUBA divers, but is achievable by commercial saturation-diving. That might be a cheaper option than raising the fuselage.
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Old 11th Jul 2021, 19:54
  #202 (permalink)  
 
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WillFlyForCheese

"The last turn was likely a turn to try to reach Kalaeloa Airport (JRF) - former NAS Barbers Point."

The NTSB will by now know, having interviewed the crew, whether or not that was the case.
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Old 11th Jul 2021, 22:28
  #203 (permalink)  
 
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One wonders whether they actually got the lights turned on and saw them.
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Old 11th Jul 2021, 22:42
  #204 (permalink)  
 
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I think perhaps no

Last edited by nikplane; 11th Jul 2021 at 23:15.
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Old 13th Jul 2021, 00:34
  #205 (permalink)  
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I wonder what the insurance company will think and agree upon the possible salvage of the aircraft?
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Old 13th Jul 2021, 08:40
  #206 (permalink)  
 
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I can't imagine insurers having any interest in raising the wreck.
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Old 13th Jul 2021, 09:32
  #207 (permalink)  
 
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I also doubt a 47 year old hull is really insured. The replacement value is probably less than a standard deductible.
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Old 13th Jul 2021, 15:04
  #208 (permalink)  
 
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I am not saying this is what happened in this case but I was once told that it was important when attempting a relight with a hydro mechanical fuel control to insure that throttle was at idle. If you shut the wrong engine down by mistake and then threw that fuel control lever back up without retarding the throttle it might hang up at a low thrust condition with a big overtemp.
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Old 13th Jul 2021, 15:33
  #209 (permalink)  
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It would be interesting to see the cargo manifest to see if any DG was onboard?
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Old 13th Jul 2021, 15:35
  #210 (permalink)  
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Sailvi767

To reset the intake guide vanes, I believe that the fuel control switch(s) and thrust levers need to be in idle.
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Old 13th Jul 2021, 15:58
  #211 (permalink)  
 
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They declared no DG on board.
Reporting hazard summary is SOP for freight operators.
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Old 13th Jul 2021, 15:59
  #212 (permalink)  
 
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Listening to the RTF recording in Post #48, the pilot states "We don't have any HAZMAT"



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Old 13th Jul 2021, 19:14
  #213 (permalink)  
 
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DaveReidUK

Agreed - there is little value there other than as scrap metal once they recover the recorders.
IF it turns out that they did experience a dual engine power loss - and - they can't determine the likely cause (from FDR, maintenance records, etc.) the NTSB may want to raise the engines to see if they hold any clues.
Other than that, I think the sea life around Oahu were just gifted a new play area.
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Old 13th Jul 2021, 20:29
  #214 (permalink)  
 
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tdracer

Doubt the state is happy with the wreck as it sits now (fluids, cargo) and may require some type of environmental remediation.
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Old 13th Jul 2021, 23:10
  #215 (permalink)  
 
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I'll second that remark. Suspect there maybe some remedial fines associated with this accident.
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Old 14th Jul 2021, 03:55
  #216 (permalink)  
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This is an interesting site.

Maps | Hawaiian Islands Humpback Whale National Marine Sanctuaries (noaa.gov)

I don't know if the location will be an issue for the island(s) regarding the ditched 737 (fluids and cargo).
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Old 14th Jul 2021, 03:57
  #217 (permalink)  
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Teddy Robinson

However there is a distinct difference between the two.

What is the difference between HazMat and dangerous goods?
The core difference that lies between dangerous goods and hazardous substances is that dangerous goods present an immediate danger to people, property and the environment, that may ultimately harm a person's health; on the other hand, hazardous substances are substances that present a direct risk to a person's health.
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Old 14th Jul 2021, 03:58
  #218 (permalink)  
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Thanks,
Didn't listen to the RTF.
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Old 14th Jul 2021, 08:07
  #219 (permalink)  
 
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BFSGrad

Depends on the cargo, but after a couple weeks of a broken aircraft sitting on the seabed ~400 ft. down, it's too late to do much about any fluids...
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Old 14th Jul 2021, 19:08
  #220 (permalink)  
 
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Inter-operability of terms

568

Irrespective of the effect of "dangerous goods" vs "hazardous materials" on a person's health, the accepted terms for relay to ATC or upon a request by them to state carriage of, is either "DANGEROUS GOODS" or "HAZMAT". If ATC cannot figure that out, I am certain they will ask. Generally, associated with the DANGEROUS GOODS/HAZMAT notification, is information such as POB (or SOB), and fuel on board (pounds, kilos, tonnes - whatever the gauges are calibrated in).

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