(“MDDA”) with each other to continue the design and development of the Solar High Altitude Pseudo-Satellite (“Solar HAPS”) aircraft developed under the DDA.
On May 29, 2021, the Company and SoftBank entered into a MDDA to continue the development of Solar HAPS. Pursuant to the MDDA, which has a five-year term, SoftBank will issue orders to the Company for the Company to perform design and development services and produce deliverables as specified in the applicable order(s). Upon the execution of the MDDA, SoftBank issued to the Company, and the Company accepted, the first order under the MDDA which has a maximum value of approximately $51,200,000. Concurrent with the execution of the MDDA, each of SoftBank and the Company agreed to lend HAPSMobile loans which are convertible into shares of HAPSMobile under certain conditions, and to cooperate with each other to explore restructuring and financing options for HAPSMobile to continue the development of Solar HAPS. The Company committed to lend 500,000,000 yen. On June 7, 2021 the Company funded 130,000,000 yen ($1,195,000) of the loan agreement. On August 13, 2021, the Company made the second payment of the loan agreement in the amount of 180,000,000 yen ($1,638,000). On October 29, 2021, the Company made the final payment under the loan agreement in the amount of 190,000,000 yen ($1,674,000).
As the Company has the ability to exercise significant influence over the operating and financial policies of HAPSMobile pursuant to the applicable Joint Venture Agreement and related organizational documents, the Company’s investment is accounted for as an equity method investment. For the three and six months ended October 30, 2021, the Company recorded its proportionate net loss of HAPSMobile, or $190,000 and $1,845,000, respectively, in equity method investment loss, net of tax in the unaudited consolidated statement of operations. For the three and six months ended October 31, 2020, the Company recorded its ownership percentage of the net loss of HAPSMobile, or $9,522,000 and $10,810,000, respectively, in equity method investment loss, net of tax in the unaudited consolidated statement of operations, of which $8,363,000 related to the Company’s proportion of a loss for HAPSMobile’s impairment of its investment in Loon LLC. At October 30, 2021 and April 30, 2021, the carrying value of the investment in HAPSMobile was $2,661,000 and $0, respectively, was recorded in other assets.
Investment in Limited Partnership Fund
In July 2019, the Company made its initial capital contribution to a limited partnership fund focusing on highly relevant technologies and start-up companies serving defense and industrial markets. During the six months ended October 30, 2021 and October 31, 2020, the Company made additional contributions of $1,738,000 and $1,173,000, respectively. Under the terms of the limited partnership agreement, the Company has committed to make additional capital contributions of $639,000 to the fund. The Company accounts for investments in limited partnerships as equity method investments as the Company is deemed to have influence when it holds more than a minor interest. For the three and six months ended October 30, 2021, the Company recorded its ownership percentage of the net gain of the limited partnership, or $1,852,000 and $2,365,000, respectively, net of $529,000 of tax expense, respectively, in equity method investment income (loss) in the unaudited consolidated statements of operations. For the three and six months ended October 31, 2020, the Company recorded its ownership percentage of the net loss of the limited partnership, or $0 and $(280,000), respectively, in equity method investment income (loss) in the unaudited consolidated statements of operations. At October 30, 2021 and April 30, 2021, the carrying value of the investment in the limited partnership of $11,271,000 and $7,168,000, respectively, was recorded in long-term investments.
7. Warranty Reserves
The Company accrues an estimate of its exposure to warranty claims based upon both current and historical product sales data and warranty costs incurred. The warranty reserve is included in other current liabilities. The related expense is included in cost of sales. Warranty reserve activity is summarized as follows for the three and six months ended October