Because leasing many new airplane to expand business needed , this nta does not mean a thing to airline industry , as it is super long term 10-60years liabilities . Which yet to occur but they count inside as contract signed . If you void the 14billions leasing . To count nta . The it is current real nta . Occurring . The 14billions is long term future leasing liabilities . Another 4b add on is for add on leasing airplane . Not a big deal. Meaw