| CPC B64D 13/08 (2013.01) [B60L 1/003 (2013.01); B60L 1/08 (2013.01); B60L 3/0046 (2013.01); B60L 3/0092 (2013.01); B60L 58/26 (2019.02); B60L 58/27 (2019.02); B64D 27/24 (2013.01); B64D 33/08 (2013.01); H01M 10/486 (2013.01); H01M 10/613 (2015.04); H01M 10/617 (2015.04); H01M 10/625 (2015.04); H01M 10/637 (2015.04); H01M 10/6555 (2015.04); H01M 10/658 (2015.04); H01M 10/663 (2015.04); H01M 50/249 (2021.01); B60L 2200/10 (2013.01); B60L 2240/34 (2013.01); B60L 2240/545 (2013.01); B60L 2240/662 (2013.01); B64D 13/06 (2013.01); B64D 2013/0614 (2013.01); B64D 2013/0674 (2013.01); B64D 2013/0688 (2013.01); H01M 2220/20 (2013.01); Y02E 60/10 (2013.01); Y02T 10/70 (2013.01); Y02T 50/50 (2013.01); Y02T 50/60 (2013.01)] | 19 Claims |

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1. A method, comprising:
while an electric aircraft is grounded, pre-conditioning the electric aircraft, wherein pre-conditioning the electric aircraft comprises rejecting heat from the electric aircraft at an off-board heat exchanger of a ground-infrastructure; and
while the electric aircraft is flying, cooling a cabin of the electric aircraft, wherein cooling the cabin of the electric aircraft comprises
at a first heat exchanger, transferring thermal energy from cabin air to a second working fluid,
at a second heat exchanger, transferring the thermal energy from the second working fluid to a first working fluid, the first working fluid in thermal communication with a battery pack, and
storing the thermal energy within a thermal mass of the battery pack.
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