SIC 45:   Transportation by air %% - 4-digit SIC to 6-digit NAICS
Includes only establishments with payroll. Introductory text includes scope and methodology. Figures to the left of NAICS codes indicate the percent of NAICS receipts represented by this part; and link to Table 1 where other parts of the NAICS are shown. links to 1997 and 1992 Comparative Statistics for whole SICs.

SIC	NAICS	Pt	Description		Establish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
451			Scheduled air transportation and air courier services %%		4,939	33,288,660	211,784	6,516,426
4512			Scheduled air transportation %%		1,798	16,284,929	65,988	1,920,912
	481111		Scheduled passenger air transportation %%		1,434	12,196,148	42,754	1,308,073
	481112		Scheduled freight air transportation		364	4,088,781	23,234	612,839
4513			Air courier services		3,141	17,003,731	145,796	4,595,514
47% of	492110	20	Air courier services		3,141	17,003,731	145,796	4,595,514
SIC	NAICS	Pt	Description		Establish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
452			Nonscheduled air transportation		2,176	4,748,024	29,417	1,006,804
4522			Nonscheduled air transportation		2,176	4,748,024	29,417	1,006,804
	481211		Nonscheduled chartered passenger air transportation		1,365	2,702,834	15,175	535,643
	481212		Nonscheduled chartered freight air transportation		165	770,188	4,009	148,939
	481219		Other nonscheduled air transportation		270	491,082	3,953	142,556
96% of	487990	10	Sightseeing airplanes and helicopters		166	199,691	1,408	36,919
12% of	621910	10	Air ambulance		210	584,229	4,872	142,747
SIC	NAICS	Pt	Description		Establish- ments	Revenue ($1,000)	Paid employees	Annual payroll ($1,000)
458			Airport terminal services		4,340	9,350,148	121,210	2,881,298
4581			Airport terminal services		4,340	9,350,148	121,210	2,881,298
100% of	488111	10	Nongovernment air traffic control		114	43,450	502	21,152
100% of	488119	10	Airport operation & terminal services		1,699	3,243,149	61,547	1,082,677
	488190		Other support activities for air transportation		2,400	5,859,631	53,318	1,713,950
1% of	561720	20	Airplane cleaning & janitorial services		127	203,918	5,843	63,519

N=Comparable data not available D=Withheld to avoid disclosure
%% Data do not include large certificated passenger carriers that report to the Office of Airline Statistics, U.S. Department of Transportation
** Railroad transportation and U.S. Postal Service industries are out of scope for the 1997 Economic Ce

=sum of NAICS parts listed below the symbol   links to Comparative Statistics for 1992 and 1997

	(Bridge complete.)	Comparable	SIC derivable from NAICS data.
	(Drawbridge slightly open.)	Almost comparable	Sales or receipts from NAICS are within 3% of SIC sales or receipts.
	(Drawbridge open.)	Not comparable	SIC sales or receipts cannot be estimated within 3% from NAICS data.

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Source: 1997 Economic Census, Comparative Statistics

Last modified: 6/27/00

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