Document and Entity Information - USD ($)	12 Months Ended
	Oct. 31, 2017	Dec. 31, 2017	Apr. 30, 2017
Document and Entity Information:
Entity Registrant Name	PASSUR AEROSPACE, INC.
Document Type	10-K
Document Period End Date	Oct. 31, 2017
Trading Symbol	pssr
Amendment Flag	false
Entity Central Index Key	0000225628
Current Fiscal Year End Date	--10-31
Entity Common Stock, Shares Outstanding		7,696,091
Entity Public Float			$ 12,234,165
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY