Encyclopedia Astronautica
A1C



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A1C Suit
NASA suit technicians assist Astronaut Virgil Grissom during suiting
Credit: NASA
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Apollo 204
Apollo 1 prime crew in spacesuits at the launch complex
Credit: NASA
American space suit, tested 1965. For the initial Block I Apollo missions a modification of the Gemini G4C suit was to have been flown. After the death of the Apollo 1 crew on the pad, Block I missions were cancelled and the suit never flew.

The A1C was a full pressure suit featuring a closed loop system and custom sizing.

More... - Chronology...


Associated Countries
See also
  • Space Suits To explore and work in space, human beings must take their environment with them because there is no atmospheric pressure and no oxygen to sustain life. Inside the spacecraft, the atmosphere can be controlled so that special clothing is not needed. But in order to work outside the spacecraft, humans need the protection of a spacesuit. More...

Associated Manufacturers and Agencies
Bibliography
  • Ertel , Ivan D; Morse , Mary Louise; et al, The Apollo Spacecraft Chronology Vol I - IV NASA SP-4009, NASA, 1966-1974. Web Address when accessed: here.

A1C Chronology


1964 February 27-March 4 - .
  • Apollo space suit development review - . Nation: USA. Program: Apollo. Spacecraft: A1C; A7L. Representatives from MSC Crew Systems Division (CSD) visited Hamilton Standard to discuss space suit development. The prototype suit (024) was demonstrated and its features compared with the Gemini suit. Deficiencies in the Apollo helmet were noted and suggestions were made on how to improve the design. (At this time, CSD began looking into the possibility of using Gemini suits during Apollo earth orbital flights, and during the next several weeks began testing Gemini suits in Apollo environments.)

1964 November 18 - .
  • Ling-Temco-Vought received a contract for unmanned testing of Gemini and Apollo space suits - . Nation: USA. Program: Apollo. Spacecraft: A1C; A7L. Summary: Ling-Temco-Vought received a contract from MSC, valued at $365,000, for unmanned testing of Gemini and Apollo space suits in the firm's space environment simulator..

1964 - During the last quarter - .
  • Use of modified Gemini space suits for Block I Apollo - . Nation: USA. Program: Apollo. Spacecraft: A1C; A7L. Summary: Crew Systems Division approved the use of modified Gemini space suits in Block I Apollo spacecraft. MSC and David Clark Company amended their Gemini suit contract to cover design and fabrication of a prototype Block I suit..

1965 February 17 - .
  • Navy testing of the Gemini Block I Apollo space suit - . Nation: USA. Program: Apollo. Spacecraft: A1C; A7L. The U.S. Navy Air Crew Equipment Laboratory began testing the Gemini Block I Apollo space suit in a wide range of environmental temperatures to determine the comfort and physiological responses of the wearer. The program, delayed because of difficulties with humidity control, was to be completed in three to four weeks.

1965 November 4-12 - .
  • Design of the Apollo Block I space suit helmet ear cup and attachment was finalized - . Nation: USA. Program: Apollo. Spacecraft: A1C; A7L. The design of the Block I space suit helmet ear cup and attachment was finalized. Based on evaluation of AFRM 007 acoustic test data, it was determined that existing Gemini-type "soft" ear cups were adequate for Block I flights. North American and David Clark Company specifications would be changed to reflect revised requirements. The majority of drawings for the suit had been reviewed and approved by MSC's Crew Systems Division. Remaining to be resolved and approved were selection of helmet visor material, installation of helmet microphones and earphones, communications harness, and fingertip glove lighting systems.

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