27 January 1967
Edward White, Command Pilot
Virgil 'Gus' Grissom, Commander
Roger Chaffee, Pilot
Virgil 'Gus' Grissom, Commander
Roger Chaffee, Pilot
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One of the worst tragedies in the history of spaceflight occurred on January 27, 1967 when the crew of Gus Grissom, Ed White, and Roger Chaffee were killed in a fire in the Apollo Command Module during a preflight test at Cape Canaveral. They were training for the first crewed Apollo flight, an Earth orbiting mission scheduled to be launched on 21 February. They were taking part in a 'plugs-out' test, in which the Command Module was mounted on the Saturn 1B on the launch pad just as it would be for the actual launch, but the Saturn 1B was not fueled. The plan was to go through an entire countdown sequence.
At 1 p.m. on Friday, 27 January 1967 the astronauts entered the capsule on Pad 34 to begin the test. A number of minor problems cropped up which delayed the test considerably and finally a failure in communications forced a hold in the count at 5:40 p.m. At 6:30 p.m., Grissom said 'How are we going to get to the Moon if we can't talk between three buildings?'. At 6:31 p.m. a surge was recorded in the AC bus 2 voltage readings, possibly indicating a short-circuit. The cockpit recording is difficult to interpret in places but a few seconds later one of the astronauts (probably Chaffee) is heard to say what sounds like 'Flames!'. Two seconds after that White was heard to say, 'We've got a fire in the cockpit.' The fire spread throughout the cabin in a matter of seconds. Chaffee said, 'We have a bad fire!', followed by shouting. The last crew communication ended 17 seconds after the first indication of the start of the fire, followed by loss of all telemetry. The Apollo hatch could only open inward and was held closed by a number of latches which had to be operated by ratchets. It was also held closed by the interior pressure, which was higher than outside atmospheric pressure and required venting of the command module before the hatch could be opened. It took at least 90 seconds to get the hatch open under ideal conditions. Because the cabin had been filled with a pure oxygen atmosphere at normal pressure for the test and there had been many hours for the oxygen to permeate all the material in the cabin, the fire spread rapidly and the astronauts had no chance to get the hatch open. Nearby technicians tried to get to the hatch but were repeatedly driven back by the heat and smoke. By the time they succeeded in getting the hatch open roughly 5 minutes after the fire started the astronauts had already perished, probably within the first 30 seconds, due to smoke inhalation and burns.
The Apollo program was put on hold while an exhaustive investigation was made of the accident. It was concluded that the most likely cause was a spark from a short circuit in a bundle of wires that ran to the left and just in front of Grissom's seat. The large amount of flammable material in the cabin in the oxygen environment allowed the fire to start and spread quickly. A number of changes were instigated in the program over the next year and a half, including designing a new hatch which opened outward and could be operated quickly, removing much of the flammable material and replacing it with self-extinguishing components, using a nitrogen-oxygen mixture at launch, and recording all changes and overseeing all modifications to the spacecraft design more rigorously.
Following on the heels of the two very successful Apollo 4 and 5 missions, Apollo 6 was the second all-up unmanned test of the Saturn 5. Apollo 1/2: 230V - 2 x T 4A 115V - 2 x T 6.3A Apollo 3: 230V - 2 x T 1.6A 115V - 2 x T 3.15A When delivered, the correct fuses for the pre-selected operative voltage are installed. You will find the necessary fuses for the other voltage in the accessories package. Slide the voltage selector back into the power supply module so that the correct. Looking for APOLLO 1/2 in x 1 3/16 in Vacuum Breaker, FNPT Connection Type (3HFF4)? Grainger's got your back. Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more.
The mission, originally designated Apollo 204 but commonly referred to as Apollo 1, was officially assigned the name 'Apollo 1' in honor of Grissom, White, and Chaffee. The first Saturn V launch (uncrewed) in November 1967 was designated Apollo 4 (no missions were ever designated Apollo 2 or 3). The Apollo 1 Command Module capsule 012 was impounded and studied after the accident and was then locked away in a storage facility at NASA Langley Research Center. The changes made to the Apollo Command Module as a result of the tragedy resulted in a highly reliable craft which, with the exception of Apollo 13, helped make the complex and dangerous trip to the Moon almost commonplace. The eventual success of the Apollo program is a tribute to Gus Grissom, Ed White, and Roger Chaffee, three fine astronauts whose tragic loss was not in vain.
For more detail on Apollo 1 see the references below.
More on Apollo 1
NASA moves Apollo 1 capsule to new storage facility - NASA Press Release, February 2007Microsoft works database update. Plan to store Apollo 1 capsule with Challenger debris cancelled - NASA Press Releases, May 1990
Apollo-1 - Kennedy Space Center
Apollo-1 - NASA History Office
Apollo 1 - The Fire - Apollo By The Numbers
The Fire that Seared the Spaceport - Moonport: A History of Apollo Launch Facilities and Operations
Tragedy and Recovery - Chariots for Apollo
A Tragic Fire Takes Three Lives - Apollo Expeditions to the Moon
Setback and Recovery: 1967 - Where No Man Has Gone Before: A History of Apollo Lunar Exploration Missions
Return to Apollo pageApollo-1 - NASA History Office
Apollo 1 - The Fire - Apollo By The Numbers
The Fire that Seared the Spaceport - Moonport: A History of Apollo Launch Facilities and Operations
Tragedy and Recovery - Chariots for Apollo
A Tragic Fire Takes Three Lives - Apollo Expeditions to the Moon
Setback and Recovery: 1967 - Where No Man Has Gone Before: A History of Apollo Lunar Exploration Missions
Return to Lunar home page
Author/Curator:
Dr. David R. Williams, [email protected]
NSSDCA, Mail Code 690.1
NASA Goddard Space Flight Center
Greenbelt, MD 20771
+1-301-286-1258