Airport Obstruction Plans. Washington National Airport, Washington, D. C., airport obstruction plan; OP-443. Scale 1:12,000, 1 in.=1,000 ft. n. p.
Publication Title:
Washington National Airport, Washington, D. C., airport obstruction plan; OP-443. Scale 1:12,000, 1 in.=1,000 ft. n. p.
Display Title:
Airport Obstruction Plans. Washington National Airport, Washington, D. C., airport obstruction plan; OP-443. Scale 1:12,000, 1 in.=1,000 ft. n. p.
Corporate Agency Authors:
Coast and Geodetic Survey
Sort Author:
Coast and Geodetic Survey
Date:
Mar. 1946
Publish Date ISO Format:
1946-03-01T00:00:00Z
Publication Start:
19460301
Publication End:
19460331
Corporate/Agency Author:
Coast and Geodetic Survey
Publication month:
10
Publication year:
1946
SuDoc number:
C 4.9/11:443
Description:
32×24 in.
Notes:
NOTE.—The purpose of these plans is to show runways and obstructions above a 40 to 1 glide angle from end of runways. These plans are not maps and most physical and cultural features below the 40 to 1 glide angle have been purposely omitted.
Notes:
NOTE.—The purpose of these plans is to show runways and obstructions above a 40 to 1 glide angle from end of runways. These plans are not maps and most physical and cultural features below the 40 to 1 glide angle have been purposely omitted. † Distribution Made by Issuing Office. 40c.