Transcript of Hearing 12/12/97 - TWA Flight 800 Investigation

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1197123decision, and the decision was made in the 70’s. Whatis true is that we haven’t studied it since, until thisaccident.4But,I don’t want to leave the impression56that the FAA has been studying something for the lasttwenty-five years.7QWhat is your opinion of the -- we have been89discussing the foam technique for inerting orpreventing catastrophic explosion in fuel tanks.What10is your opinion of that technology at this point, sir?11DR. LOEB:Before you answer that, let -- I12would just like to ask a question, Mr. McSweeney.Why13141516is it that given that the fuel approach that you tookfailed, why is it that you did not go back and take alook at other options after the success of the early1970 foam work?17WITNESS McSWEENEY:The tests that I think1819you are referring to is anti-misting kerosene, and thatwas ––20DR. LOEB:That is correct.21WITNESS McSWEENEY:That was the test in the22desert.That test showed that the benefits that people232425expected to have gotten from anti–misting kerosene andthe benefits before that time were seen in thelaboratory just did not present themselves in fullCAPITAL HILL REPORTING, INC.(202) 466-9500
1198123scale testing.An interesting piece of information is a verysimilar accident to that test in the desert occurred4one month after,and that was the Manchester accident5in which hot fuel came out of the wing and impinged on678an engine that was very hot,that test in the desert.That whole effort,just like what happened inthough, was at post-crash9fires.I think that is important for everybody to10understand.1112The FAA at that time was looking at postcrashfires and did, in fact, come to conclusions thatthe anti-misting kerosene was not the way to go.13so,it took a different path, and it has14completed that path,and that path consists of1516hardening the interior for fire entry into the cabin,and that includes side wall ceiling panel flammability,17low level lighting,lavatory smoke detectors, et1819cetera,et cetera.DR. LOEB: All right, and I do recognize that2021222324that was directed solely or primarily at post-crashfire. However, the foam would be helpful in both postcrashfire and helpful to prevent explosions of thetank.The early work indicated that the foam had25promise, at least,great promise in helping in bothCAPITAL HILL REPORTING, INC.(202) 466-9500
Page 1: 1186BEFORE THENATIONAL TRANSPORTATI
Page 6 and 7: 119112“The reticulate polyurethan
Page 8 and 9: 1193123The Air Force developed this
Page 10 and 11: 1195123QBY MR. ANDERSON:DIRECT EXAM
Page 14 and 15: 1directions.When the test in the Mo
Page 16 and 17: 1CHAIRMAN HALL:1201I know that goes
Page 18 and 19: 12031234What we will -- are expecti
Page 20 and 21: 12051and then we will charter ARAC,
Page 22 and 23: 120712CHAIRMAN HALL:MR. ANDERSON:Ge
Page 24 and 25: 1WITNESS McSWEENEY:1209I would then
Page 26 and 27: 12111234567several Airworthiness Di
Page 28 and 29: 1213123There are many who have stud
Page 30 and 31: 12151opinion.2WITNESS McSWEENEY:I w
Page 32 and 33: 12171States.There are international
Page 34 and 35: 121912from industry what kind of ti
Page 36 and 37: 1AYou can be a member of the active
Page 38 and 39: 12231reasons,like airline dispatch
Page 40 and 41: 12251 MR. ANDERSON: I would like to
Page 42 and 43: 1looking at inerting,1227looking at
Page 44 and 45: 123will participate.WITNESS THOMAS:
Page 46 and 47: 12CHAIRMAN HALL:specific informatio
Page 48 and 49: 1233123of order here.WITNESS THOMAS
Page 50 and 51: 1235123becomes an option that becom
Page 52 and 53: 1so,in that regard it is very impor
Page 54 and 55: 12electric pumps, or moving the --
Page 56 and 57: 1WITNESS McSWEENEY:1241Well, whethe
Page 58 and 59: 12431234require engineering and som
Page 60 and 61: 124512345MR. SWAIM: Mr. McSweeney,
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124712eliminating.so, the key is, i
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12491will be at the ARAC.2so,we hav
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125112This remains an important con
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1unstable foam wandering around the
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1255123451, again, am very pleased
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12571234reduction must be in the ta
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12591aircraft or a fleet, but money
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12611234concept, and I was also ver
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126312345FURTHER DIRECT EXAMINATION
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1265123passed to an engineering soc
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12671cancellations do not affect yo
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12691The next thing, Mr. McSweeney,
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127212effort and what is referred t
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127412history that is most signific
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127612said and written about the pr
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1system was the right system to use
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12801combat and heard the maintenan
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12821MR. BALL:It is significantly c
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128412345buying the C-130 J. It is
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12861234567aircraft that have been
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12881MR. STREETER:In the list you s
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1290123obviously as the tank emptie
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129212We discussed a little bit on
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129412345and create the service bul
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12961CHAIRMAN HALL: Well, thank you
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1WITNESS TYSON:I am going to try to
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13001234remediational technology in
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130212and the FAA, they are working
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130412middle of the summer and it i
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13061MR. BOUSHIE:Crane has no quest
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1308123is in order to respond to th
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13101DR. ELLINGSTAD:Has any of that
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1Jet-A from LAX,1312and we have don
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13141Mr. Thomas, is there anything
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1316123causing me to do too many co
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1effect,1318it is almost to the poi
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1320123CHAIRMAN HALL: So, in other
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1322123looking at the oxidizer and
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13241234tell them over and over aga
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132612quickly as we can as we run u
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1328123456789101112131415161718ackn
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13301opinion.We have thoroughly enj
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13321234this opportunity to thank t
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13341meeting, we can never be sure
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1336123456received within the speci
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1338123again thank C-Span for that
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Transcript of Hearing 12/12/97 - TWA Flight 800 Investigation

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