March 31,

September 30,

2023

2022

Expendable parts and supplies, net:

Expendable parts and supplies

$

35,048

$

31,913

Less: obsolescence and other

(8,294

)

(5,198

)

$

26,754

$

26,715

Prepaid expenses and other current assets:

Prepaid aviation insurance

$

3,100

$

2,618

Prepaid vendors

1,155

1,310

Prepaid other insurance

758

1,268

Lease incentives

143

352

Prepaid fuel and other

1,185

1,068

$

6,341

$

6,616

Property and equipment, net:

Aircraft and other flight equipment

$

1,266,985

$

1,260,143

Other equipment

6,019

5,577

Leasehold improvements

2,776

2,776

Vehicles

1,062

992

Building

777

777

Furniture and fixtures

298

298

Total property and equipment

1,277,917

1,270,563

Less: accumulated depreciation

(409,890

)

(405,309

)

$

868,027

$

865,254

Other assets:

Investments in equity securities

$

15,331

$

15,178

Lease incentives

1,026

1,097

Contract asset

9,526

-

Other

515

15

$

26,398

$

16,290

Other accrued expenses:

Accrued property taxes

$

3,852

$

5,866

Accrued interest

2,904

2,882

Accrued vacation

6,754

4,746

Accrued lodging

5,477

3,795

Accrued maintenance

2,861

1,453

Accrued liability on government payroll program

—

2,967

Accrued simulator costs

885

1,045

Accrued employee benefits

1,991

1,679

Accrued fleet operating expense

399

1,606

Short term lease incentive liability

97

97

Other

2,861

2,864

$

28,081

$

29,000

Other noncurrent liabilities:

Warrant liabilities

$

25,225

$

25,225

Lease incentive obligations

1,050

1,050

Long-term employee benefits

733

1,123

Other

1,821

1,821

$

28,829

$

29,219