Date: 9/28/2025
Name of person filing report: Sergii Iakymov
Reason for Report: Routine
Non-Nominal Systems: Crew car. Power system battery, inverters, generator. HAB outer shell, director’s trailer water heater. SciDome window lock.
Power system: Solar: The battery bank does not hold charge when the sun is down and low on the horizon. Inverter Slave 1 and 2 went offline and do not restart, which limits us to 4kW when on solar.
Generator is consuming oil because of worn piston rings. Adding oil every day is necessary. Generator is limited to 8kW, see previous reports for details. No further leaks have been observed. After the off season generator required 24 hours to recharge its battery before it was able to start.
1) Oil, oil filter changed on 09/21/2025. Gen hours – 9936.1
2) Current hours – 10036.2
Propane Readings:
Station Tank: 79%
Director Tank: 61%
Intern Tank: 81%
Generator Tank: 40%
Water:
Hab Static Tank – 166 gallons (above safety level 130 gallons)
GreenHab – 220 gallons
Outpost tank – 250 gallons
Septic Tanks emptied: No
Rovers:
Sojourner rover used: Yes. From Hanksville to the station and around MDRS for work party
Hours: 219.7
Beginning Charge: 100 %
Ending Charge: 52 %
Currently Charging: Yes
Notes on Rovers: All rovers maintained during summer break.
Perseverance – 369.4 hours.
Curiosity – 326.6 hours.
Spirit – 283.6 hours.
Opportunity – 227.3 hours.
Cars:
Hab Car used and why, where: To Hanksville for supplies.
Crew Car used and why, where: To Hanksville for supplies.
General notes and comments: Crew car driver’s side front ball joint is bad. Hab car battery replace. Both cars’ maintenance is pending.
Summary of Internet: Orbi router has been reset successfully. Nominal.
EVA suits and radios:
Suits: ETA on October 4th.
Comms: Nominal.
T-Echo EVA-link: Nominal.
Campus wide inspection, if action taken, what and why: Campus cleaned and ready for the season. Repaired road signs, general maintenance of the viewing area. Installed the tarps on tunnels.
Summary of Hab Operations: All systems are ready for the season. Water meter upgraded with a power supply. Toilet level indicator replacement is pending. Installed insulation in the loft where daylight was showing through. Changed the water system filters. Heater filter changed. Installed new insulation and foil-wrapped water tank exterior pipes. General removal of abandoned conduits, wiring, pipes. Replaced the porch light with new LED flood light. Replaced dead shower light with new LED fixture. Installed non-slip hazard tape in trip-hazard locations. Installed 12" high guardrails at the edge of the loft. Repaired furnace wiring that was temporarily. Some upgrades done in CQ. Water tank level sensor installed for testing.
Summary of GreenHab Operations: Cleaned and set up for the season.
Summary of SciDome Operations: Cleaned and organized for the season. Window lock need to be replaced. Installed new insulation and foil-wrapped the copper lines from the Dual Split.
Summary of Observatories Operations: Ready for the season.
Summary of RAM Operations: Cleaned and restocked for the season.
Summary of Outpost Operations: Cleaned and ready for the season. Director’s trailer water heater has a progressive leak.
Summary of Health and Safety Issues: Nominal

