March 31,

September 30,

2024

2023

Expendable parts and supplies, net:

Expendable parts and supplies

$

40,968

$

39,630

Less: expendable parts warranty

(7,091

)

(6,295

)

Less: obsolescence

(4,403

)

(4,090

)

$

29,474

$

29,245

Prepaid expenses and other current assets:

Prepaid aviation insurance

$

2,290

$

3,176

Prepaid vendors

733

143

Prepaid other insurance

520

1,205

Lease incentives

143

1,125

Prepaid fuel and other

864

1,645

$

4,550

$

7,294

Property and equipment, net:

Aircraft and other flight equipment

$

782,725

$

1,039,782

Other equipment

9,468

9,421

Total property and equipment

792,193

1,049,203

Less: accumulated depreciation

(262,714

)

(351,181

)

$

529,479

$

698,022

Other assets:

Investments in equity securities

$

11,397

$

20,320

Lease incentives

883

954

Contract asset

7,763

8,756

Other

515

516

$

20,558

$

30,546

Other accrued expenses:

Accrued property taxes

$

3,406

$

5,281

Accrued interest

3,174

3,447

Accrued vacation

7,251

6,763

Accrued lodging

3,920

3,984

Accrued maintenance

1,280

2,117

Accrued simulator costs

-

1,006

Accrued employee benefits

1,086

1,450

Accrued fleet operating expense

1,808

650

Other

4,600

2,303

$

26,525

$

27,001

Other noncurrent liabilities:

Warrant liabilities

$

25,225

$

25,225

Lease incentive obligations

1,050

1,050

Long-term employee benefits

380

429

Other

1,820

1,818

$

28,475

$

28,522