Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 28, 2024	Jun. 30, 2023
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Financial Statement Error Correction [Flag]	false
Entity Interactive Data Current	Yes
ICFR Auditor Attestation Flag	false
Amendment Flag	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Documents Incorporated by Reference [Text Block]	None
Entity Information [Line Items]
Entity Registrant Name	NEW HORIZON AIRCRAFT LTD.
Entity Central Index Key	0001930021
Entity File Number	001-41607
Entity Tax Identification Number	00-0000000
Entity Incorporation, State or Country Code	A1
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Public Float			$ 119,715,000
Entity Contact Personnel [Line Items]
Entity Address, Address Line One	3187 Highway 35
Entity Address, City or Town	Lindsay
Entity Address, State or Province	ON
Entity Address, Postal Zip Code	K9V 4R1
Entity Phone Fax Numbers [Line Items]
City Area Code	(613)
Local Phone Number	866-1935
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		18,220,436
Class A Ordinary Share, no par value
Entity Listings [Line Items]
Title of 12(b) Security	Class A Ordinary Share, no par value
Trading Symbol	HOVR
Security Exchange Name	NASDAQ
Warrants, each whole warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 per share
Entity Listings [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one Class A Ordinary Share at an exercise price of $11.50 per share
Trading Symbol	HOVRW
Security Exchange Name	NASDAQ