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Long-Term Debt, Finance Leases, and Other Borrowings (Tables) | 9 Months Ended
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Jun. 30, 2025
Debt Disclosure [Abstract] |
Schedule of Long-term Debt | Long-term debt as of June 30, 2025 and September 30, 2024, consisted of the following (in thousands):
|  | June 30, |  |  | September 30, |
|  | 2025 |  |  | 2024 |
Notes payable to secured parties, due in semi-annual installments, interest based on SOFR plus interest spread at 4.75% to 6.25% through 2028, collateralized by the underlying aircraft |  | $ | — |  |  | $ | 85,469 |
Notes payable to secured parties, due in quarterly installments, interest based on SOFR plus interest at spread 2.20% to 2.32% for senior note & 4.50% for subordinated note through 2028, collateralized by the underlying aircraft |  |  | — |  |  |  | 73,884 |
Revolving credit facility, quarterly interest based on SOFR plus interest spread at 4.50% through 2028 |  | 33,018 |  |  |  | 37,520 |
Other obligations due to financial institution, monthly and/or quarterly interest due from 2022 through 2031, collateralized by the underlying equipment |  |  | — |  |  |  | 4,681 |
Notes payable to the UST, quarterly interest based on SOFR plus interest spread at 3.50% through 2025 |  |  | 80,726 |  |  |  | 113,656 |
Gross long-term debt, including current maturities |  |  | 113,744 |  |  |  | 315,210 |
Less unamortized debt issuance costs |  |  | - |  |  |  | (2,395 | )
Less notes payable warrants |  |  | (774 | ) |  |  | (2,544 | )
Net long-term debt, including current maturities |  |  | 112,970 |  |  |  | 310,271 |
Less current portion, net of unamortized debt issuance costs |  |  | (84,725 | ) |  |  | (50,455 | )
Net long-term debt |  | $ | 28,245 |  |  | $ | 259,816 |
Schedule of Principal Maturities of Long-term Debt | Principal maturities of long-term debt as of June 30, 2025, and for each of the next five years are as follows (in thousands):
Periods Ending September 30, |  | Total Principal |
2025 (remainder of) |  | $ | - |
2026 |  |  | 86,538 |
2027 |  |  | 6,190 |
2028 |  |  | 4,782 |
2029 |  |  | 16,234 |
|  | $ | 113,744 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 470 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481544/470-10-50-1 + Details
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