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[EN] O incidental voo round the world da Pan Am, via Brasil


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Há 80 anos, a Pan American realizava de forma não programada o primeiro voo round the world do mundo. Com o ataque pelas tropas japonesas em Pearl Harbor, o Clipper que realizava a rota entre San Francisco e Auckland teve que operar westbound até Nova Iorque, e o Brasil entrou na história por Natal ser uma das escalas.

Somente em 17/06/1947 que a Pan Am operaria os primeiros RTW, PA001 e PA002, voos que durariam até 31/10/1982.

Throwback Thursday: Pan Am's First Around-the-World Flight

6 January 2022 

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80 year ago, a Boeing 314 Clipper flying boat named California Clipper (registered NC-18602 and subsequently renamed Pacific Clipper) completed Pan Am's first around-the-world flight. It had not been planned that way.

The trip had started on 2 December 1941 as PA 6039, a scheduled passenger flight from Pan Am's San Francisco base on Treasure Island to Auckland, New Zealand, with five scheduled stops along the way:

San Pedro, California

Honolulu, Hawaii

Canton Island

Suva, Fiji

Nouméa, New Caledonia

Upon reaching Auckland, the aircraft was intended to return to San Francisco as PA 6040, but two hours after departing Nouméa radioman Eugene Leach heard a radio report of the Japanese attack on Peark Harbor. Tuning to the long-range signal from Pan Am's ground station in Nouméa they picked up a repeating message via Morse Code:

PEARL HARBOUR ATTACKED. IMPLEMENT PLAN A.

Captain Robert Ford secretly had a sealed envelope outlining Plan A: continue to the nearest safe Pan American base, avoiding enemy forces. That meant continuing on to Auckland. The crew spent a week in Auckland before receiving new orders:

Normal return route cancelled. Proceed as follows:

Strip all company markings, registration numbers, and indentifiable insignia from exterior surfaces. Proceed westbound soonest your discretion to avoid hostilities and deliver NC18602 to Marine Terminal LaGuardia Field New York.

Good Luck

The crew had no charts for areas west of Auckland and had to develop a plan with the help of the Auckland library. They first returned to Nouméa to evacuate 22 Pan Am employees, women, and children, and take them to Gladstone, Australia. From there, they flew via nine intermediate stops, under radio silence and with assorted threats along the way, before reaching New York before dawn on 6 January 1942.

Today's Featured Map illustrates the stops along trip, with the scheduled operation of PA 6039 in Pan Am blue (except for the final leg from Nouméa to Auckland) and the epic westward journey home in red.

http://www.gcmap.com/featured/20220106

 

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Navegação nesta época era raiz !
Imagino as perna Natal/Leopoldville, Karachi/Trincomalee e Trincomalee/Surabaya 

Alguém saberia como era feita estas navegações ?

Pouco sei, mas do que li o piloto voava e o navegador suava. Seria só por proa, declinação, tempo e ventos ?

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12 hours ago, Bonotto said:

Navegação nesta época era raiz !
Imagino as perna Natal/Leopoldville, Karachi/Trincomalee e Trincomalee/Surabaya 

Alguém saberia como era feita estas navegações ?

Pouco sei, mas do que li o piloto voava e o navegador suava. Seria só por proa, declinação, tempo e ventos ?

Rádio auxílio, periscópio. O famoso pulso entre estações  em HF de LORAN, pai do sistema Ômega e avô do GPS.

Se o bixo pegar uma Recalada só em aeroportos mais providos. Mais ou menos em 150 milhas já perde as ondas curtas aí tem que voar já previsto na navegação de fixos e estimados, ETA, ponto sem retorno, frequencia livre aberta para pegar chamadas abertas dos navios próximos e rádio amadores...navegador usando um brinquedo chamado sextante e calculando estimado com o vento de través pela direção das ondas e velocidade do vento.

Tempos heróicos.

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Na página do GCMap tem os links com detalhes desta longa jornada. Mas tem um que é bem interessante e vergonhoso:

Quote

Late that same afternoon they took off for Trinidad, following the Brazilian coast as it curved around to the northwest. It wasn't until after they had departed that the crew made an unpleasant discovery. Most of their personal papers and money were missing, along with a military chart that had been entrusted to Navigator Rod Brown by the US military attache in Leopoldville, obviously stolen by the Brazilian "fumigators."

https://www.panam.org/pan-am-inspirations/634-saga-of-the-pacific-clipper

https://www.washingtonpost.com/history/2021/12/07/pacific-clipper-pan-am-pearl-harbor/

https://www.navytimes.com/news/your-navy/2018/12/21/at-this-time-in-1941-a-clipper-plane-was-trying-to-get-home-the-hard-way-flying-around-the-world/

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On 07/01/2022 at 22:14, Bonotto said:

Navegação nesta época era raiz !
Imagino as perna Natal/Leopoldville, Karachi/Trincomalee e Trincomalee/Surabaya 

Alguém saberia como era feita estas navegações ?

Pouco sei, mas do que li o piloto voava e o navegador suava. Seria só por proa, declinação, tempo e ventos ?

Sextante e para algumas localidades havia o radio-range, famoso Dash-Dot ou A e N.

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