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Apollo 15

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Launch and Reaching Earth Orbit
- Range safety ordnance
- S-IC description
- S-II description
- Instrument Unit description
- S-IVB description
- Mobile Launcher
- F-1 engine description
- F-1 engine start
- Abort mode IA
- Abort mode IB
- Abort mode IC
- S-IC/S-II separation
- Dual plane separation
- J-2 engine description
- J-2 engine start
- Abort mode II
- Iterative Guidance mode (IGM)
- Pogo - longitudinal vehicle oscillations
- Abort mode III (COI)
- Abort mode IV
Earth Orbit and Translunar Injection
- P52 platform realignment
- Fuel cell purges
- The REFSMMAT: an explanation
- Talkbacks and Barberpoles
- The PAD (Pre-Advisory Data)
- Time base 6: the S-IVB restart sequence
- Orb-rate explanation
Transposition, Docking and Extraction
- CSM/SLA Separation
- High Gain Antenna (HGA)
- Television camera
- Lunar Module Pressurisation
- Command Module Batteries
- HGA tracking modes
- 16-mm Maurer movie cameras
SPS Troubleshooting and the PTC
- SPAN and MER rooms
- PTC REFSMMAT
- P23 cislunar navigation
- The midcourse correction maneuver
- Reasoning behind PTC
- PTC maneuver
- Lithium hydroxide canisters
- Service Module RCS (quad thrusters)
- Attitude deadband
- Setting up the PTC
Day 2: Checking the SPS
- Explanation of SPS fault
Day 2: Entering the LM
- Sextant photo test
- PCM cable missing - 032:14:19
- Initial atmosphere within the LM
- Preparations for first entry into LM
- Electrical glitch - 033:47 GET
- Lunar Module activation
- Tapemeter glass breakage at 034:33:07 GET
- OPS (Oxygen Purge System)
- Cause of electrical glitch
- Cause of tapemeter glass breakage
Day 3: Flashing Lights
- Justification for batteries in the LM
- First light flash experiment - 050:12:05
- Tunnel Vent valve positions
- LM/CM Delta-P gauge reading problem solved - 054:22:49
Day 3: Leaking Water and the Top of the Hill
- The Lexan shield
- MSFN (Manned Space Flight Network
- Supercritical Helium
- Computer shorthand
- Water chlorination
- Chlorination port leakage - 061:12:44
- Changeover from Earth to Moon reference
Day 4: Lunar Encounter
- Free return trajectories and PC+2 burn
- Stars named by the Apollo 1 crew
- SIM bay door
- SIM bay door jettison
- Alpha Particle Spectrometer
- Spacecraft tracking by the Doppler effect
- Geometry of Earth and Moon at spacecraft arrival
- Abort PADs in lunar orbit
- LOI (Lunar Orbit Insertion)
- PUGS (Propellant Utilization Gauging System)
- local vertical/local horizontal
Day 4: Lunar Orbit
- Using P20 to aim at Moon
- Worden's Littrow description (1) - 079:23:46
- Mare Serenitatis
- Impact of S-IVB on Moon - 079:24:42
- Farouk El-Baz
- The Mare and Basin distinction
- Apennine Bench Formation
- Gamma-ray Spectrometer
- Landing site REFSMMAT
- System Test Meter
- DOI (Descent Orbit Insertion) and the bail-out burn
- First Reactions to Tsiolkovsky - 083:16:41
- Wrinkle ridges in Mare Serenitatis
- Perceived apparent speed at pericynthion
- Boom deployment mechanism
- Mascons and the lunar gravity field
- Mass Spectrometer
Day 5: Waking In the Descent Orbit
- Reasoning behind DOI trim burn
- V over H sensor anomaly
- Heaters in the oxygen tanks
- TV broadcast from lunar orbit
- Major types of rille
Day 5: Preparations for Landing
- Alignment of LM guidance platform
- AOT (Alignment Optical Telescope)
- CSM/LM Undocking - first attempt
- Suit integrity check anomaly - 099:29:40
- CSM/LM Undocking - second attempt
- LM abort PADs
- AGS (Abort Guidance System) Description
- Pressurisation of the Descent Propulsion System
- LPD (Landing Point Designator) description
- Landing radar
Solo Orbital Operations - 1
- Panoramic Camera
- DAP (Digital AutoPilot)
- Mapping Camera
- Sextant angles
- X-ray Spectrometer
- Explanation of Mare Serenitatis two toned basalt
- Bistatic Radar Experiment
Solo Orbital Operations - 2
- Coverage of Moon by SIM bay
- KREEP rocks and their importance
- Hello Earth; Greetings From Endeavour
- MCC's explanation for V over H problem - 122:11:07
- Worden's Littrow description (2) - 122:18:17
- Solar Corona photography
- Lagrangian points and photography of the L4 point
- The North Complex
- Worden's first mention of particle cloud - 126:34:27
- Transient phenomena
- P20 and Omicron explanation
- Worden's Picard description (1) - 128:07:19
- Worden's Proclus description (1) - 128:07:19
- Worden's Littrow description (3) - 128:12:46
Solo Orbital Operations - 3
- Mass Spectrometer Boom retraction anomaly - 141:42:46
- Worden spots lava flows on Mare Imbrium near Mount La Hire - 142:16:28
- Worden's Tsiolkovsky description (1) - 142:26:09
- Worden's Tsiolkovsky description (2) - 143:36:31
- Worden's crater pair description - 143:42:51
- Worden's Picard description (2) - 143:49:24
- Worden's Proclus description (2) - 143:52:09
- Worden's Littrow description (4) - 145:57:12
- Distinction between basins and maria
- Explanation of Gimbal Lock
- Chronology of the Imbrium basin and mare
- Mount La Hire Photography - 148:10:13
- Counter anomaly (1)
- Counter anomaly (2)
Solo Orbital Operations - 4
- Lift-off REFSMMAT
- Correlation of X-ray data and altitude
- Gegenschein
Rendezvous and Docking
- History behind Lunar Orbit Rendezvous mode
- PIPA (Pulse Integrating Pendulous Accelerometer)
- Lunar lift-off - 171:37:25
- Rendezvous photography
Leaking tunnel and Jettison of the LM
- Scott putting plugs into suits - 177:04:07
- Explanation of Tunnel Vent valve
- Pressure integrity check problems - 177:56:39
- Mission Report about integrity check problems
- Lunar Module jettison
- Delay of CSM separation burn
- Use of language causing confusion between crew and ground
- Slayton's call for crew to take Seconal
- Discussion on crew heart rhythms
Orbital Science and Crew Rest
- Second light flash experiment - 196:59:05
- Aristarchus Plateau (1)
- Aristarchus Plateau (2)
- Aristarchus Plateau (3)
- Seconal discussion - 202:45:42
Day 10: Orbital Science
- Short burn constants for SPS engine
- Lee Silver
- Vallis Schröteri and the Cobra Head
- Crater Copernicus
- RCS crossover - switching to the secondary tanks
- Crater Humboldt - photo target 13
Subsatellite Launch and Trans-Earth Injection
- Shape burn - 221:15:59
- Subsatellite Launch - 222:39:17
- Spacecraft checks prior to TEI
- TEI (Trans-Earth Injection) - 223:48:45
Settling down for the Journey Home
- ECS accumulator
- Panoramic Camera depletion problem
Day 11: Worden's EVA Day
- Al Worden's EVA
- X-ray astronomy - Scorpius X-1
- X-ray astronomy - Cygnus X-1
- Comparisons of spacecraft and ground state vectors
Science and a Press Conference
- X-ray astronomy - Galactic South Pole
- Reason for Rover's LCRU switching off
- Third light flash experiment - 264:26:15
- Problem with DSE (Data Storage Equipment)
- Eclipse of the Moon
- Press conference - 270:16:46
- X-ray astronomy - Galactic North Pole
Splashdown Day
- System Test Meter - Settings
- Waste water tank problem - 289:39:59
- Explanation of Entry Interface and of 0.05g points
- Chill-down of Command Module Electronics
- Command Module RCS pressurisation - 294:06:32
- Command Module/Service Module Separation
- Entry Interface - the start of re-entry
- Streamed main parachute
- Splashdown - 295:11:53


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Last updated 2004-05-27