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‘45 - CHAPTER XIII COMMUN ICATIQV S
The comrmmieations exchanged between the plane and the Malpensa control tower and between the plane and Milan Regional Control were duly recorded by the respective control agenCies. Also recorded was the Milan Regional Control‘s authorization pertaining to flight TWA 891, from Malpensa to Orly, which was telephoned to the Malpensa control tower.
These comnications are reported in Annexes XIII 1, 2, and 3. The communications were made in proper phraseology over the proper channels and the authorization given by Milan Control is entirely in accordance with the rules ln effect as published on the RIP-Italy. The recording of the communica- tions between the plane and Regional Control Milan shows that the message which was being conmmnicated at hz2h p.m. is incomplete. (This was due to an interruption of the electric current caused by the storm, as shown by telegram 31/96/T-526/12 of June 26, 1959. (See Annex XIII-1L).
By connecting that commication with the authorization received and the preVious conversations with the Malpensa control tower, it is assumed that the aircraft's commander was reporting that he had reached the altitude of 11,000 feet and was proceeding toward Saronno.
From the communications exchanged between the plane and the control agenCies, there is no evidence which might indicate any anxiety on the pilot's part as to the manner in which the flight was proceeding.
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CHAPI‘ER XIV DISCUSSHRI OF THE CLUBS lino Explosion in fuel tanks Nos. 7 and 6
As shown by Annexes XI—S - III-7, central tank No. 7 is sub- diVided into two symmetrical parts by a central bulkhead hamg an ample opening through which the two sections communicate mth each other. In the tight right bulkhead of tank No. 7, which separates this tank from tank No. 6, there are three holes. The fuel intake pipe (P.N. h78301) which runs through tank No. 6, connects hermetically the said three holes with the fuel intake port recessed below the top surface of the Wing at point where that top surface constitutes the ceiling of tank' 0. 6. Said fuel intake port is hermetically closed by cap P.N. 750438-13.
Into the left section of tank No. 7 are installed the following main accessories: submerged booster pumps and respective wiring: electric level—indicator (probe unit), vast valve, and 3-way selector cross—feed valve.
