| Time
(UTC/GMT+0) | | Event |
|
|
| 1970-04-10 05:00:00 | | Terminal countdown started at T-28 hours. |
|
| 1970-04-11 00:00:00 | | Scheduled 9-hour 13-minute hold at T-9 hours. |
|
| 1970-04-11 09:13:00 | | Countdown resumed at T-9 hours. |
|
| 1970-04-11 14:43:00 | | Scheduled 1-hour hold at T-3 hours 30 minutes. |
|
| 1970-04-11 15:43:00 | | Countdown resumed at T-3 hours 30 minutes. |
|
| 1970-04-11 19:12:43 | | Guidance reference release. |
|
| 1970-04-11 19:12:51 | | S-IC engine start command. |
|
| 1970-04-11 19:12:53 | | S-IC engine ignition (#5). |
|
| 1970-04-11 19:12:58 | | All S-IC engines thrust OK. |
|
| 1970-04-11 19:13:00 | | Range zero. |
|
| 1970-04-11 19:13:00 | | All holddown arms released (1st motion) (1.06 g). |
|
| 1970-04-11 19:13:00 | | Liftoff (umbilical disconnected). |
|
| 1970-04-11 19:13:02 | | Tower clearance yaw maneuver started. |
|
| 1970-04-11 19:13:10 | | Yaw maneuver ended. |
|
| 1970-04-11 19:13:12 | | Pitch and roll maneuver started. |
|
| 1970-04-11 19:13:32 | | Roll maneuver ended. |
|
| 1970-04-11 19:14:08 | | Mach 1 achieved. |
|
| 1970-04-11 19:14:16 | | Maximum bending moment achieved (69,000,000 lbf-in). |
|
| 1970-04-11 19:14:21 | | Maximum dynamic pressure (651.63 lb/ft2). |
|
| 1970-04-11 19:15:15 | | S-IC center engine cutoff command. |
|
| 1970-04-11 19:15:43 | | Pitch maneuver ended. |
|
| 1970-04-11 19:15:43 | | S-IC outboard engine cutoff. |
|
| 1970-04-11 19:15:43 | | S-IC maximum total inertial acceleration (3.83 g). |
|
| 1970-04-11 19:15:44 | | S-IC maximum Earth-fixed velocity. |
|
| 1970-04-11 19:15:44 | | S-IC/S-II separation command. |
|
| 1970-04-11 19:15:45 | | S-II engine start command. |
|
| 1970-04-11 19:15:46 | | S-II ignition. |
|
| 1970-04-11 19:16:14 | | S-II aft interstage jettisoned. |
|
| 1970-04-11 19:16:21 | | Launch escape tower jettisoned. |
|
| 1970-04-11 19:16:24 | | Iterative guidance mode initiated. |
|
| 1970-04-11 19:17:31 | | S-IC apex. |
|
| 1970-04-11 19:18:30 | | S-II center (or inboard) engine cutoff (S-II engine #5 cutoff 132.36 seconds early). |
|
| 1970-04-11 19:20:00 | | CMP (Swigert): Inboard. |
|
| 1970-04-11 19:20:42 | | S-II command to complete CECO. |
|
| 1970-04-11 19:21:57 | | S-II maximum total inertial acceleration (1.66 g). |
|
| 1970-04-11 19:22:06 | | S-IC impact (theoretical). |
|
| 1970-04-11 19:22:52 | | S-II outboard engine cutoff (34.53 seconds later than planned). |
|
| 1970-04-11 19:22:53 | | S-II maximum Earth-fixed velocity; S-II/S-IVB separation command. |
|
| 1970-04-11 19:22:53 | | S-IVB 1st burn start command. |
|
| 1970-04-11 19:22:56 | | S-IVB 1st burn ignition. |
|
| 1970-04-11 19:23:05 | | S-IVB ullage case jettisoned. |
|
| 1970-04-11 19:23:32 | | S-II apex. |
|
| 1970-04-11 19:24:00 | | CAPCOM (Joe Kerwin): We confirm inboard out. |
|
| 1970-04-11 19:25:29 | | S-IVB 1st burn cutoff (9 seconds later than planned). |
|
| 1970-04-11 19:25:30 | | S-IVB 1st burn maximum total inertial acceleration (0.58 g). |
|
| 1970-04-11 19:25:30 | | S-IVB 1st burn maximum Earth-fixed velocity. |
|
| 1970-04-11 19:25:39 | | Earth orbit insertion. |
|
| 1970-04-11 19:25:50 | | Maneuver to local horizontal attitude started. |
|
| 1970-04-11 19:26:00 | | CDR (Lovell): That should not have happened. |
|
| 1970-04-11 19:27:10 | | Orbital navigation started. |
|
| 1970-04-11 19:28:00 | | CMP: No, that is 7:42. That is two minutes early. [engine cutoff should have occurred at 7 minutes 42 seconds, not 5 minutes 30 seconds]. |
|
| 1970-04-11 19:33:58 | | S-II impact (theoretical). |
|
| 1970-04-11 20:50:00 | | TV transmission started. |
|
| 1970-04-11 20:56:00 | | TV transmission ended. |
|
| 1970-04-11 21:39:08 | | S-IVB 2nd burn restart preparation. |
|
| 1970-04-11 21:48:38 | | S-IVB 2nd burn restart command. |
|
| 1970-04-11 21:48:46 | | S-IVB 2nd burn ignition. |
|
| 1970-04-11 21:54:37 | | S-IVB 2nd burn cutoff. |
|
| 1970-04-11 21:54:37 | | S-IVB 2nd burn maximum total inertial acceleration (1.44 g). |
|
| 1970-04-11 21:54:37 | | S-IVB 2nd burn maximum Earth-fixed velocity. |
|
| 1970-04-11 21:54:37 | | S-IVB safing procedures started. |
|
| 1970-04-11 21:54:47 | | Translunar injection. |
|
| 1970-04-11 21:57:08 | | Maneuver to local horizontal attitude and orbital navigation started. |
|
| 1970-04-11 22:09:38 | | Maneuver to transposition and docking attitude started. |
|
| 1970-04-11 22:19:38 | | CSM separated from S-IVB. |
|
| 1970-04-11 22:22:00 | | TV transmission started. |
|
| 1970-04-11 22:32:08 | | CSM docked with LM/S-IVB. |
|
| 1970-04-11 23:14:00 | | CSM/LM ejected from S-IVB. |
|
| 1970-04-11 23:22:00 | | S-IVB maneuver to evasive APS burn attitude. |
|
| 1970-04-11 23:31:00 | | S-IVB APS evasive maneuver ignition. |
|
| 1970-04-11 23:32:20 | | S-IVB APS evasive maneuver cutoff. |
|
| 1970-04-11 23:33:00 | | TV transmission ended. |
|
| 1970-04-11 23:40:40 | | S-IVB maneuver to LOX dump attitude initiated. |
|
| 1970-04-11 23:47:39 | | S-IVB lunar impact maneuver - CVS vent opened. |
|
| 1970-04-11 23:52:19 | | S-IVB lunar impact maneuver - LOX dump started. |
|
| 1970-04-11 23:52:39 | | S-IVB lunar impact maneuver - CVS vent opened. |
|
| 1970-04-11 23:53:07 | | S-IVB lunar impact maneuver - LOX dump ended. |
|
| 1970-04-12 01:01:07 | | Maneuver to attitude for final S-IVB APS burn initiated. |
|
| 1970-04-12 01:12:59 | | S-IVB lunar impact maneuver - APS ignition. |
|
| 1970-04-12 01:16:36 | | S-IVB lunar impact maneuver - APS cutoff. |
|
| 1970-04-12 02:30:14 | | Earth weather photography started. |
|
| 1970-04-12 02:56:02 | | Unsuccessful passive thermal control attempt. |
|
| 1970-04-12 06:30:19 | | Earth weather photography ended. |
|
| 1970-04-12 08:55:33 | | 2nd S-IVB transposition maneuver (unplanned) initiated by launch vehicle digital computer. |
|
| 1970-04-12 14:42:10 | | Unplanned S-IVB velocity increase of 5 feet per second which altered lunar impact trajectory closer to target point. |
|
| 1970-04-13 01:26:00 | | TV transmission started. |
|
| 1970-04-13 01:53:49 | | Midcourse correction ignition (SPS) - transfer to hybrid non-free return trajectory. |
|
| 1970-04-13 01:53:53 | | Midcourse correction cutoff. |
|
| 1970-04-13 02:15:00 | | TV transmission ended. |
|
| 1970-04-13 03:03:00 | | Photography of Comet Bennett. |
|
| 1970-04-13 03:34:49 | | Unsuccessful passive thermal control attempt. |
|
| 1970-04-13 17:15:00 | | Crew turned on fans in oxygen tank #2 (routine procedure). |
|
| 1970-04-13 17:18:05 | | Cryogenic oxygen tank #2 quantity gauge indicated off-scale high, of over 100% (probably due to short circuit). First indication of a problem. |
|
| 1970-04-13 17:21:08 | | Cryogenic oxygen tank #2 quantity probe short circuited. |
|
| 1970-04-13 19:03:50 | | Oxygen tank #2 fans turned on again with no apparent adverse affects. Quantity gauge continued to read off-scale high. |
|
| 1970-04-13 22:57:44 | | Oxygen tank #2 fans turned on again with no apparent adverse affects. Quantity gauge continued to read off-scale high. |
|
| 1970-04-14 00:40:00 | | CDR and LMP cleared to enter the LM to commence inflight inspection. |
|
| 1970-04-14 01:33:00 | | LMP entered LM. |
|
| 1970-04-14 01:38:00 | | CDR entered LM. |
|
| 1970-04-14 01:53:00 | | LM system checks. |
|
| 1970-04-14 02:27:00 | | TV transmission started. |
|
| 1970-04-14 02:43:00 | | CDR and LMP entered LM. |
|
| 1970-04-14 02:59:30 | | TV transmission ended. |
|
| 1970-04-14 03:03:00 | | Tunnel hatch closed. |
|
| 1970-04-14 03:05:31 | | Master caution and warning triggered by low hydrogen pressure in tank #1. Alarm turned off after 4 seconds. |
|
| 1970-04-14 03:05:58 | | CAPCOM (Jack Lousma): 13, we have got one more item for you, when you get a chance. We would like you to stir up your cryo tanks. In addition, I have shaft and trunnion... |
|
| 1970-04-14 03:06:06 | | CMP (Swigert): Okay. |
|
| 1970-04-14 03:06:07 | | CAPCOM: ...for looking at the Comet Bennett, if you need it. |
|
| 1970-04-14 03:06:12 | | CMP: Okay. Stand by. |
|
| 1970-04-14 03:06:18 | | Oxygen tank #1 fans on. |
|
| 1970-04-14 03:06:19 | | Oxygen tank #1 pressure decreased 8 psi due to normal destratification. Spacecraft current increased by 1 ampere. |
|
| 1970-04-14 03:06:20 | | Oxygen tank #2 fans on. Stabilization control system electrical disturbance indicated a power transient. |
|
| 1970-04-14 03:06:21 | | Oxygen tank #2 pressured decreased 4 psi. |
|
| 1970-04-14 03:06:22 | | Electrical short in tank #2 (stabilization control system electrical disturbance indicated a power transient.) |
|
| 1970-04-14 03:06:22 | | 1.2-volt decrease in AC bus #2 voltage. |
|
| 1970-04-14 03:06:22 | | 11.1 ampere “spike” recorded in fuel cell #3 current followed by drop in current and rise in voltage. |
|
| 1970-04-14 03:06:36 | | Oxygen tank #2 pressure started to rise for 24 seconds. |
|
| 1970-04-14 03:06:38 | | 11-volt decrease in AC bus #2 voltage for one sample. |
|
| 1970-04-14 03:06:38 | | Stabilization control system electrical disturbance indicated a power transient. |
|
| 1970-04-14 03:06:41 | | 22.9-ampere “spike” recorded in fuel cell #3 current, followed by drop in current and rising voltage |
|
| 1970-04-14 03:06:41 | | Stabilization control system electrical disturbance indicated a power transient. |
|
| 1970-04-14 03:07:00 | | Oxygen tank #2 pressure rise ended at a pressure of 953.8 psia. |
|
| 1970-04-14 03:07:15 | | Oxygen tank #2 pressure started to rise again. |
|
| 1970-04-14 03:07:30 | | Oxygen tank #2 quantity dropped from full scale for two seconds and then read 75.3% full. This indicated the gauge short circuit may have corrected itself. |
|
| 1970-04-14 03:07:31 | | Oxygen tank #2 temperature started to rise rapidly. |
|
| 1970-04-14 03:07:43 | | Flow rate of oxygen to all three fuel cells started to decrease. |
|
| 1970-04-14 03:07:45 | | Oxygen tank #2 pressure reached maximum value of 1,008.3 psia. |
|
| 1970-04-14 03:07:48 | | Oxygen tank #2 temperature rises 40 °F for one sample (invalid reading) |
|
| 1970-04-14 03:07:51 | | Oxygen tank #2 quantity jumped to off-scale high and then started to drop, indicating a failed sensor. |
|
| 1970-04-14 03:07:52 | | Oxygen tank #2 temperature read -151.3 °F. Last valid indication. |
|
| 1970-04-14 03:07:52 | | Oxygen tank #2 temperature suddenly went off-scale low, indicating a failed sensor. |
|
| 1970-04-14 03:07:52 | | Last telemetered pressure from oxygen tank #2 before telemetry loss was 995.7 psia. |
|
| 1970-04-14 03:07:53 | | Sudden accelerometer activity on X, Y, and Z axes. |
|
| 1970-04-14 03:07:53 | | Body-mounted roll, pitch, and yaw rate gyros showed low-level activity for 1/4 second. |
|
| 1970-04-14 03:07:53 | | Oxygen tank #1 pressure dropped 4.2 psi. |
|
| 1970-04-14 03:07:53 | | 2.8-amp rise in total fuel cell current. |
|
| 1970-04-14 03:07:53 | | X, Y, and Z accelerations in CM indicate 1.17 g, 0.65 g, and 0.65 g. |
|
| 1970-04-14 03:07:53 | | Telemetry loss for 1.8 seconds. Master caution and warning triggered by DC main bus B undervoltage. |
|
| 1970-04-14 03:07:53 | | Cryogenic oxygen tank #2 lost pressure. Crew hears loud bang |
|
| 1970-04-14 03:07:54 | | Nitrogen pressure in fuel cell #1 went off-scale low indicating a failed sensor. |
|
| 1970-04-14 03:07:55 | | Telemetry recovered. |
|
| 1970-04-14 03:07:56 | | Oxygen tank #2 appears failed. Oxygen tank #1 failing.Fuel cell #2 starving |
|
| 1970-04-14 03:07:57 | | Oxygen tank #2 quantity read off-scale high following telemetry recovery indicating a failed sensor. |
|
| 1970-04-14 03:07:59 | | The reaction control system helium tank C temperature began a 1.66 °F increase in 36 seconds. |
|
| 1970-04-14 03:08:01 | | Oxygen flow rates to fuel cells #1 and #3 approached zero after decreasing for 7 seconds. |
|
| 1970-04-14 03:08:02 | | Surface temperature of SM oxidizer tank in bay #3 started a 3.8 °F increase in a 15-second period. |
|
| 1970-04-14 03:08:02 | | Service propulsion system helium tank temperature started a 3.8 °F increase in a 32-second period. |
|
| 1970-04-14 03:08:09 | | DC main bus A voltage recovered to 29.0 volts. DC main bus B recovered to 28.8. |
|
| 1970-04-14 03:08:20 | | CMP: Okay, Houston, we have had a problem here. |
|
| 1970-04-14 03:08:28 | | CAPCOM: This is Houston. Say again, please. |
|
| 1970-04-14 03:08:35 | | CDR: Houston, we have had a problem. We have had a main B bus undervolt. |
|
| 1970-04-14 03:08:42 | | CAPCOM: Roger. Main B bus undervolt. |
|
| 1970-04-14 03:08:49 | | Oxygen tank #2 temperature started steady drop lasting 59 seconds, indicating a failed sensor. |
|
| 1970-04-14 03:09:10 | | LMP (Haise): Okay. Right now, Houston, the voltage is - is looking good. And we had a pretty large bang associated |
|
| 1970-04-14 03:09:20 | | ... with the caution and warning there. And as I recall, main B was the one that had an amp spike on it once before. |
|
| 1970-04-14 03:09:30 | | CAPCOM: Roger, Fred. |
|
| 1970-04-14 03:09:38 | | Oxygen tank #2 quantity became erratic for 69 seconds before assuming an off-scale-low state, indicating a failed sensor. |
|
| 1970-04-14 03:09:54 | | LMP: In the interim here, we are starting to go ahead and button up the tunnel again. |
|
| 1970-04-14 03:10:04 | | LMP: That jolt must have rocked the sensor on - see now – O2 oxygen quantity 2. |
|
| 1970-04-14 03:10:09 | | ... It was oscillating down around 20 to 60 percent. Now it is full-scale high. |
|
| 1970-04-14 03:10:39 | | Master caution and warning triggered by DC main bus B undervoltage. Alarm was turned off in six seconds. |
|
| 1970-04-14 03:10:40 | | DC main bus B dropped below 26.25 volts and continued to fall rapidly. |
|
| 1970-04-14 03:10:41 | | CDR: Okay. And we are looking at our service module RCS helium 1. We have – B is barber poled and D is barber poled, |
|
| 1970-04-14 03:10:44 | | ... helium 2, D is barber pole, and secondary propellants, I have A and C barber pole. AC bus fails within two seconds. |
|
| 1970-04-14 03:10:45 | | Fuel cell #3 failed. |
|
| 1970-04-14 03:10:59 | | Fuel cell current started to decrease. |
|
| 1970-04-14 03:11:02 | | Master caution and warning caused by AC bus #2 being reset. |
|
| 1970-04-14 03:11:06 | | Master caution and warning triggered by DC main bus A undervoltage. |
|
| 1970-04-14 03:11:07 | | DC main bus A dropped below 26.25 volts and in the next few seconds leveled off at 25.5 volts. |
|
| 1970-04-14 03:11:07 | | LMP: AC #2 is showing zip. |
|
| 1970-04-14 03:11:25 | | LMP: Yes, we got a main bus A undervolt now, too, showing. It is reading about 25 and a half. |
|
| 1970-04-14 03:11:29 | | ... Main B is reading zip right now. |
|
| 1970-04-14 03:13:06 | | Master caution and warning triggered by high hydrogen flow rate to fuel cell #2. |
|
| 1970-04-14 03:22:07 | | CDR: ...It looks to me, looking out the hatch, that we are venting something. |
|
| 1970-04-14 03:22:17 | | ... We are venting something out into the - into space. |
|
| 1970-04-14 03:22:58 | | LMP reported fuel cell #1 off line. |
|
| 1970-04-14 03:46:49 | | Emergency power-down. |
|
| 1970-04-14 03:47:46 | | LMP reported fuel cell #3 off line. |
|
| 1970-04-14 04:56:00 | | CDR and LMP entered LM. |
|
| 1970-04-14 05:13:00 | | Shutdown of fuel cell #2. |
|
| 1970-04-14 05:23:00 | | CM computer and platform powered down. |
|
| 1970-04-14 05:53:00 | | CSM systems powered down. LM systems powered up. |
|
| 1970-04-14 08:42:43 | | Midcourse correction ignition to free-return trajectory (LM DPS). |
|
| 1970-04-14 08:43:17 | | Midcourse correction cutoff. |
|
| 1970-04-14 10:03:00 | | LM systems powered down. |
|
| 1970-04-15 00:21:35 | | Lunar occultation entered. |
|
| 1970-04-15 00:46:10 | | Lunar occultation exited. |
|
| 1970-04-15 01:09:40 | | S-IVB impact on lunar surface. |
|
| 1970-04-15 01:13:00 | | LM systems powered up. |
|
| 1970-04-15 01:23:00 | | Abort guidance system to primary guidance system aligned. |
|
| 1970-04-15 02:40:39 | | Transearth injection ignition (LM DPS). |
|
| 1970-04-15 02:45:02 | | Transearth injection cutoff. |
|
| 1970-04-15 05:23:00 | | LM systems powered down. |
|
| 1970-04-15 20:26:53 | | Apparent short-circuit in LM electrical system, accompanied by a “thump in vicinity of descent stage |
|
| 1970-04-15 20:27:03 | | Observation of venting for several minutes in area of LM descent batteries #1 and #2. |
|
| 1970-04-15 23:13:00 | | LM configured for midcourse correction. |
|
| 1970-04-16 00:33:00 | | CSM power configuration for telemetry established. |
|
| 1970-04-16 01:06:00 | | CM powered up. |
|
| 1970-04-16 04:03:00 | | LM systems powered up. |
|
| 1970-04-16 04:31:28 | | Midcourse correction ignition (LM DPS). |
|
| 1970-04-16 04:31:42 | | Midcourse correction cutoff. |
|
| 1970-04-16 04:33:00 | | Passive thermal control started. |
|
| 1970-04-16 05:03:00 | | LM systems powered down. |
|
| 1970-04-16 11:18:00 | | LM power transferred to CSM. |
|
| 1970-04-16 11:33:00 | | Battery A charge initiated. |
|
| 1970-04-17 01:23:00 | | Battery A charge terminated. Battery B charge initiated. |
|
| 1970-04-17 03:23:00 | | Battery B charge terminated. |
|
| 1970-04-17 08:48:00 | | LM systems powered up. |
|
| 1970-04-17 09:53:00 | | Platform aligned. |
|
| 1970-04-17 11:43:00 | | Preparation for midcourse correction. |
|
| 1970-04-17 12:52:51 | | Midcourse correction ignition (LM RCS). |
|
| 1970-04-17 12:53:13 | | Midcourse correction cutoff. |
|
| 1970-04-17 13:14:48 | | SM separation. |
|
| 1970-04-17 13:28:00 | | SM photographed. |
|
| 1970-04-17 15:23:00 | | CM powered up. |
|
| 1970-04-17 15:53:00 | | Platform aligned. |
|
| 1970-04-17 16:03:00 | | LM maneuvered to undocking attitude. |
|
| 1970-04-17 16:43:00 | | LM jettisoned. |
|
| 1970-04-17 17:53:45 | | Entry. |
|
| 1970-04-17 18:01:00 | | S-band contact with CM established by recovery aircraft. |
|
| 1970-04-17 18:02:00 | | Visual contact with CM established by recovery helicopters. |
|
| 1970-04-17 18:03:00 | | Voice contact with CM established by recovery helicopters. Visual contact with CM established by recovery ship. |
|
| 1970-04-17 18:07:41 | | Splashdown (went to apex-up). |
|
| 1970-04-17 18:09:00 | | Swimmers deployed to retrieve main parachutes. |
|
| 1970-04-17 18:16:00 | | 1st swimmer deployed to CM. |
|
| 1970-04-17 18:24:00 | | Flotation collar inflated. |
|
| 1970-04-17 18:31:00 | | Life preserver unit delivered to lead swimmer. |
|
| 1970-04-17 18:32:00 | | CM hatch opened for crew egress. |
|
| 1970-04-17 18:35:00 | | Crew egress. |
|
| 1970-04-17 18:42:00 | | Crew aboard recovery helicopter. |
|
| 1970-04-17 18:53:00 | | Crew aboard recovery ship. |
|
| 1970-04-17 19:36:00 | | CM aboard recovery ship. |
|
| 1970-04-18 18:20:00 | | Crew departed recovery ship for Samoa and then Hawaii. |
|
| 1970-04-19 02:35:00 | | Crew arrived in Hawaii. |
|
| 1970-04-20 03:30:00 | | Crew arrived at Ellington AFB, Houston, TX. |
|
| 1970-04-24 19:30:00 | | Recovery ship arrived in Hawaii. |
|
| 1970-04-26 02:35:00 | | Safing of CM pyrotechnics completed. |
|
| 1970-04-26 19:28:00 | | Deactivation of fuel and oxidizer completed. |
|
| 1970-04-27 14:00:00 | | CM arrived at contractor facility in Downey, CA. |