1972-031A
Apollo 16 crew
- CDR Commander: John W. Young, Capt. USN
- CMP CM Pilot: Thomas K. Mattingly, Lt Cdr USN
- LMP LM Pilot: Charles Duke, Lt Col USAF
Apollo CSM 113, named Casper by the crew, was the Apollo 16 Command and Service Module. It rode into space on a Saturn V in 1972 Apr 16. The S-IVB delivered it onto a translunar trajectory. Once in lunar orbit, the commander and LM pilot entered the Lunar Module (Orion) and undocked. But as the CSM moved away from the LM a fault was detected in its SPS engine. The lunar landing was postponed while the problem was investigated. The LM was only 1 to 2 km away, and resumed stationkeeping at about 200m for a while - it's a bit marginal whether to count this as a separate rendezvous or not. Finally the lunar landing was given the goahead, the circ burn was made, and Orion was given the GO for PDI.
Orion's ascent stage docked back with Casper at 0335 on Apr 24. By 2054 Orion had been jettisoned, and soon after the SIM subsatellite was ejected into lunar orbit. The SPS fired successfully at 0215 on Apr 25 to send Casper back towards Earth.
At 2038 on Apr 25 the CM hatch was opened, and Mattingly retrieved film cassettes from the SIM bay in three trips. The MEC was also exposed. Duke assisted from the hatch area. The CM was depressurized for 1h 24min.
The CSM reentered the Earth's atmosphere on Apr 27, splashdown coming at 1945 UT in the Pacific Ocean. Recovery was by the aircraft carrier USS Ticonderoga.
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| CSM 113 Mission Log |
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| Date | Time | Event | Orbit |
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| 1972 Apr 16 | 1754:00 | SA-511 launch |
| 1972 Apr 16 | 1756:17 | Center engine cutoff |
| 1972 Apr 16 | 1756:41 | Outboard engine cutoff | -6013 X 118 |
| 1972 Apr 16 | 1756:44 | S-IC separation, S-II ignition |
| | 1757:14 | Interstage sep |
| | 1757:20 | LES jett |
| 1972 Apr 16 | 1801:41 | Center engine cutoff |
| 1972 Apr 16 | 1803:19 | Outboard engine cutoff | -2033 x 168 x 32.5 |
| 1972 Apr 16 | 1803:20 | S-II separation, S-IVB ignition 2:22 |
| 1972 Apr 16 | 1805:46 | S-IVB cutoff T+706s | 87.84 167 x 168 x 32.54 |
| | 1825 | Optics cover jettison |
| 1972 Apr 16 | 2027:37 | S-IVB TLI 5:42 3.166km/s |
| | 2033:18 | ECO |
| 1972 Apr 16 | 2033:29 | Translunar injection | 310 x 494260 (s) |
| | | V = 10.847 km/s | 202 x 471165 x 32.51 |
| | 2054 | 5563 km alt, 8.049km/s |
| 1972 Apr 16 | 2058:59 | CSM separation from SLA-20, mass 30378 |
| | | Alt 6967 km | 203 x 483905 |
| 1972 Apr 16 | 2109:18 | Docked with LM 11/SIVB |
| | 2115:53 | Hard docked |
| 1972 Apr 16 | 2153:15 | CSM/LM separation from SIVB |
| 1972 Apr 17 | 0230 | HO to LM to check venting particles |
| | 0315? | HC to LM |
| 1972 Apr 17 | 1014? | Pass EL1:4 |
| 1972 Apr 18 | 0033:01 | MCC2 mid course correction; perilune 131 km |
| | 0033:03 | MCC2 cutoff |
| | | HO to LM |
| 1972 Apr 19 | 0513:45 | Equigravisphere |
| 1972 Apr 19 | 1553:01 | SIM door ejection, range 20634 km vel 1.188km/s |
| 1972 Apr 19 | 2022:28 | LOI-1 burn (SPS) 854m/s |
| 1972 Apr 19 | 2028:43 | Lunar orbit insertion | 108 x 315 km |
| 1972 Apr 20 | 0027:45 | DOI/LOI-2 burn (SPS) 24s 18797 kg 62m/s | 20 x 108 km |
| 1972 Apr 20 | 1600? | Cdr, LMP transfer to LM |
| 1972 Apr 20 | 1807:31 | LM undocked |
| 1972 Apr 20 | 1807:31 | Small sep burn | 19 x 110 km |
| | 1934:17 | SPS sep burn cancelled |
| 1972 Apr 20 | | Fault detected in SPS |
| | 2000 | At 200m to Orion |
| | 2157 | At 1 km to Orion |
| 1972 Apr 20 | | Rev 14 re-rendezvous with Orion from 2 km |
| | 2219 | RCS burn |
| | 2225 | At 1.7 km, 1m/s |
| | 2235 | RCS |
| | 2236 | 1 km, 1m/s |
| | 2302 | At 216m, 0.6m/s |
| 1972 Apr 21 | 0024:00 | Sep burn 2, 0.3m/s | 21 x 111 km |
| 1972 Apr 21 | 0115:42 | Circ burn 17733 kg | 98 x 126 km |
| 1972 Apr 23 | 1859:52 | LOPC-1 plane change burn | 102 x 120 km |
| 1972 Apr 24 | 0335:18 | Docking by LM 11 Orion ascent stage |
| 1972 Apr 24 | | Cdr and LMP transfer to CSM with cargo |
| 1972 Apr 24 | 2054:12 | Orion undocked | 100 x 126 km |
| 1972 Apr 24 | 2057:13 | Sep burn | 97 x 123 km |
| 1972 Apr 24 | 2117:12 | Mass spectrometer boom jettisoned 2m/s |
| 1972 Apr 24 | 2156:09 | Subsatellite ejected |
| 1972 Apr 25 | 0215:33 | TEI burn (SPS) 1.026km/s 4:02 |
| 1972 Apr 25 | 0218:15 | Transearth Injection |
| 1972 Apr 25 | 1435:51 | Leave lunar sphere |
| 1972 Apr 25 | 1629:03 | MCC-5 |
| | 1629:25 | MCC-5 cutoff |
| 1972 Apr 25 | | EVA for film retrieval |
| | 2034 | Begin depress from 3.5psi |
| | 2036 | At 1 psi |
| | 2037 | At 0.7psi |
| | 2039 | At 0.1psi |
| | 2041 | HO |
| | 2043 | Jett bag |
| | 2044? | CMP egress |
| | | At 322180 km |
| | 2051 | 2 pan camera covers removed (jett?) |
| | 2101 | 2 mapping camera covers removed |
| | 2117 | MEED deploy |
| | 2132 | Retrieve MEED |
| | 2140 | CMP ingress |
| | 2141 | HC |
| | 2145 | Begin repress |
| | 2146 | 0.7psi |
| | 2158 | 3.5psi at 317431 km |
| 1972 Apr 26 | |
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| 1972 Apr 27 | 1631:21 | MCC-7 4s 0.4m/s |
| | 1631:27 | MCC-7 CO |
| 1972 Apr 27 | 1916:33 | SM-113 separation |
| 1972 Apr 27 | 1931:31 | Entry interface |
| 1972 Apr 27 | 1945:05 | Splashdown in Pacific Ocean, 5 N 158 W. |
| 1972 Apr 27 | Recovered by USS Ticonderoga |
