Airport Obstruction Charts

Airport Obstruction Charts (available in DGN format)

The Airport Obstruction Chart (AOC) is a 1:12,000 scale graphic (1:18,000 scale graphic for Denver International DEN 9077) depicting Federal Aviation Regulations Part 77 surfaces, a representation of objects that penetrate these surfaces, runway, taxiway, and ramp areas, navigational aids, prominent airport buildings, plus a selection of roads and other planimetric detail in the airport vicinity. The following is a list of the digital CAD files that are now available for some Airports in Microstation's design file (DGN) format.

Disclaimer

STATE OC CITY FILE SIDE
AK
1500 Anchorage OC 1500a Anchorage AK.dgn Front
1500 Anchorage OC 1500b Anchorage AK.dgn Back
1191 Juneau OC 1191a Juneau AK.dgn Front
1191 Juneau OC 1191b Juneau AK.dgn Back
1235 Kenai OC 1235 Kenai AK.dgn
6053 Ketchikan OC 6053 Ketchikan AK.dgn
5414 Sitka OC 5414 Sitka AK.dgn
1193 Yakutat OC 1193 Yakutat AK.dgn
AL
5014 Anniston OC 5014 Anniston AL.dgn
5488 Huntsville OC 5488 Huntsville AL.dgn
272 Montgomery OC 272 Montgomery AL.dgn
AR
637 El Dorado OC 637 El Dorado AR.dgn
9274 Fayetteville Springdale Rogers OC 9274 Fayetteville Springdale Rogers AR.dgn
631 Fort Smith OC 631a Fort Smith AR.dgn Front
631 Fort Smith OC 631b Fort Smith AR.dgn Back
5265 Jonesboro OC 5265 Jonesboro AR.dgn
233 Little Rock OC 233a Little Rock AR.dgn Front
233 Little Rock OC 233b Little Rock AR.dgn Back
420 Texarkana OC 420 Texarkana AR.dgn
AZ
6967 Bullhead City OC 6967a Bullhead City AZ.dgn Front
6967 Bullhead City OC 6967b Bullhead City AZ.dgn Back
6656 Casa Grande OC 6656 Casa Grande AZ.dgn
5081 Fort Huachuca-Sierra Vista OC 5081 Fort Huachuca-Sierra Vista AZ.dgn
215 Kingman OC 215 Kingman AZ.dgn
9197 Marana OC 9197 Marana AZ.dgn
322 Phoenix OC 322a Phoenix AZ.dgn Front
322 Phoenix OC 322b Phoenix AZ.dgn Back
546 Prescott OC 546 Prescott AZ.dgn
6783 Show Low OC 6783 Show Low AZ.dgn
430 Tucson OC 430 Tucson AZ.dgn
CA
519 Arcata-Eureka OC 519 Arcata-Eureka CA.dgn
5737 Bishop OC 5737 Bishop CA.dgn
67 Burbank OC 67 Burbank CA.dgn
5310 Carlsbad OC 5310 Carlsbad CA.dgn
5599 Chino OC 5599 Chino CA.dgn
5320 Concord OC 5320 Concord CA.dgn
162 Fresno OC 162 Fresno CA.dgn
5015 Hayward OC 5015 Hayward CA.dgn
5850 Lincoln OC 5850 Lincoln CA.dgn
6075 Livermore OC 6075 Livermore CA.dgn
271 Monterey OC 271a Monterey CA.dgn Front
271 Monterey OC 271b Monterey CA.dgn Back
281 Napa OC 281 Napa CA.dgn
294 Oakland OC 294 Oakland CA.dgn
674 Oxnard OC 674 Oxnard CA.dgn
545 Palm Springs OC 545 Palm Springs CA.dgn
5490 Sacramento OC 5490 Sacramento CA.dgn
363 Salinas OC 363 Salinas CA.dgn
373 San Diego OC 373a San Diego CA.dgn Front
373 San Diego OC 373b San Diego CA.dgn Back
5401 San Diego OC 5401 San Diego CA.dgn
375 San Francisco OC 375a San Francisco CA.dgn Front
375 San Francisco OC 375b San Francisco CA.dgn Back
693 San Jose OC 693a San Jose CA.dgn Front
693 San Jose OC 693b San Jose CA.dgn Back
989 San Luis Obispo OC 989 San Luis Obispo CA.dgn
377 Santa Maria OC 377 Santa Ana CA.dgn
379 Santa Maria OC 379 Santa Maria CA.dgn
407 Stockton OC 407 Stockton CA.dgn
5179 Torrance OC 5179 Torrance CA.dgn
552 Van Nuys OC 552a Van Nuys CA.dgn Front
552 Van Nuys OC 552b Van Nuys CA.dgn Back
558 Visalia OC 558 Visalia CA.dgn
805 Watsonville OC 805 Watsonville CA.dgn
CO
18 Alamosa OC 18 Alamosa CO.dgn
6895 Burlington OC 6895 Burlington CO.dgn
87 Colorado Springs OC 87a Colorado Springs CO.dgn Front
87 Colorado Springs OC 87b Colorado Springs CO.dgn Back
112 Cortez OC 112 Cortez CO.dgn
325 Greeley OC 325a Greeley CO.dgn Front
325 Greeley OC 325b Greeley CO.dgn Back
517 Gunnison OC 517a Gunnison CO.dgn Front
517 Gunnison OC 517b Gunnison CO.dgn Back
5290 Lamar OC 5290 Lamar CO.dgn
CT
621 Bridgeport OC 621 Bridgeport CT.dgn
5049 Groton (New London) OC 5049 Groton (New London) CT.dgn
671 New Haven OC 671 New Haven CT.dgn
5785 Oxford OC 5785 Oxford CT.dgn
460 Windsor Locks OC 460a Windsor Locks CT.dgn Front
460 Windsor Locks OC 460b Windsor Locks CT.dgn Back
FL
110 Daytona Beach OC 110 Daytona Beach FL.dgn
973 Gainesville OC 973 Gainesville FL.dgn
5570 Jacksonville OC 5570 Jacksonville FL.dgn
606 Key West OC 606 Key West FL.dgn
318 Pensacola OC 318 Pensacola FL.dgn
640 Sarasota (Bradenton) OC 640 Sarasota (Bradenton) FL.dgn
625 St Petersburg-Clearwater OC 625 St Petersburg-Clearwater FL.dgn
5048 Tallahassee OC 5048 Tallahassee FL.dgn
416 Tampa OC 416 Tampa FL2.dgn
GA
26 Atlanta OC 26a Atlanta GA.dgn Front
26 Atlanta OC 26b Atlanta GA.dgn Back
27 Augusta OC 27 Augusta GA.dgn
380 Savannah OC 380 Savannah GA.dgn
IA
5307 Ames OC 5307 Ames IA.dgn
9156 Ankeny OC 9156 Ankeny IA.dgn
972 Clinton OC 972 Clinton IA.dgn
117 Des Moines OC 117 Des Moines IA.dgn
923 Dubuque OC 923 Dubuque IA.dgn
395 Sioux City OC 395 Sioux City IA.dgn
ID
57 Boise OC 57 Boise ID.dgn
6806 Caldwell OC 6806 Caldwell ID.dgn
6807 Nampa OC 6807 Nampa ID.dgn
327 Pocatello OC 327 Pocatello ID.dgn
IL
166 Chicago OC 166a Chicago IL.dgn Front
166 Chicago OC 166b Chicago IL.dgn Back
81 Chicago OC 81a Chicago IL.dgn Front
81 Chicago OC 81b Chicago IL.dgn Back
IN
5133 Anderson OC 5133 Anderson IN.dgn
156 Fort Wayne OC 156 Fort Wayne IN.dgn
5011 Muncie OC 5011 Muncie IN.dgn
399 South Bend OC 399 South Bend IN.dgn
KS
200 Hutchinson OC 200 Hutchinson KS.dgn
495 Independence OC 495 Independence KS.dgn
5241 Manhattan OC 5241 Manhattan KS.dgn
5687 Olathe OC 5687 Olathe KS.dgn
424 Topeka OC 424 Topeka KS.dgn
987 Wichita OC 987 Wichita KS.dgn
5489 Winfield-Arkansas OC 5489 Winfield-Arkansas KS.dgn
LA
13 Alexandria OC 13 Alexandria LA.dgn
40 Baton Rouge OC 40 Baton Rouge LA.dgn
288 New Orleans OC 288 New Orleans LA.dgn
392 Shreveport OC 392 Shreveport LA.dgn
5037 Houma OC 5037 Houma LA.dgn
865 Lafayette OC 865 Lafayette LA.dgn
MA
58 Boston OC 58a Boston MA.dgn Front
58 Boston OC 58b Boston MA.dgn Back
725 Norwood OC 725 Norwood MA.dgn
5295 Plymouth OC 5295 Plymouth MA.dgn
MD
804 Baltimore OC 804a Baltimore MD.dgn Front
804 Baltimore OC 804b Baltimore MD.dgn Back
ME
39 Bangor OC 39 Bangor ME.dgn
MI
721 Benton Harbor OC 721 Benton Harbor MI.dgn
119 Detroit OC 119a Detroit MI.dgn Front
119 Detroit OC 119b Detroit MI.dgn Back
618 Flint OC 618 Flint MI.dgn
5184 Grand Rapids OC 5184 Grand Rapids MI.dgn
5652 Holland OC 5652 Holland MI.dgn
5052 Pontiac OC 5052 Pontiac MI.dgn
MN
5426 Owatonna OC 5426 Owatonna MN.dgn
5799 St Cloud OC 5799 St Cloud MN.dgn
MO
5595 Columbia OC 5595 Columbia MO.dgn
796 Jefferson City OC 796 Jefferson City MO.dgn
540 Joplin OC 540 Joplin MO.dgn
213 Kansas City OC 213a Kansas City MO.dgn Front
213 Kansas City OC 213b Kansas City MO.dgn Back
217 Kirksville OC 217 Kirksville MO.dgn
604 Springfield OC 604 Springfield MO.dgn
MS
576 Gulfport OC 576 Gulfport MS.dgn
6134 Hattiesburg-Laurel OC 6134 Hattiesburg-Laurel MS.dgn
5132 Jackson OC 5132 Jackson MS.dgn
254 Meridian OC 254 Meridian MS.dgn
9521 Tunica OC 9521 Tunica MS.dgn
MT
48 Billings OC 48 Billings MT.dgn
588 Butte OC 588a Butte MT.dgn Front
588 Butte OC 588b Butte MT.dgn Back
192 Helena OC 192 Helena MT.dgn
887 Kalispell OC 887 Kalispell MT.dgn
231 Lewistown OC 231 Lewistown MT.dgn
NC
5061 Asheville OC 5061 Asheville NC.dgn
78 Charlotte OC 78a Charlotte NC.dgn Front
78 Charlotte OC 78b Charlotte NC.dgn Back
178 Greensboro OC 178 Greensboro NC.dgn
516 Raleigh-Durham OC 516 Raleigh-Durham NC.dgn
NE
5301 McCook OC 5301 McCook NE.dgn
974 Norfolk OC 974 Norfolk NE.dgn
NH
785 Laconia OC 785 Laconia NH.dgn
859 Lebanon OC 859 Lebanon NH.dgn
246 Manchester OC 246 Manchester NH.dgn
678 Portsmouth OC 678 Portsmouth NH.dgn
NJ
669 Atlantic City OC 669 Atlantic City NJ.dgn
285 Newark OC 285a Newark NJ.dgn Front
285 Newark OC 285b Newark NJ.dgn Back
982 Trenton OC 982 Trenton NJ.dgn
NM
12 Albuquerque OC 12a Albuquerque NM.dgn Front
12 Albuquerque OC 12b Albuquerque NM.dgn Back
5144 Clovis OC 5144 Clovis NM.dgn
NV
662 Las Vegas OC 662a Las Vegas NV.dgn Front
662 Las Vegas OC 662b Las Vegas NV.dgn Back
6970 Las Vegas OC 6970 Las Vegas NV.dgn
NY
20 Binghamton OC 20 Binghamton NY.dgn
131 Elmira OC 131a Elmira NY.dgn Front
131 Elmira OC 131b Elmira NY.dgn Back
673 Glens Falls OC 673 Glens Falls NY.dgn
948 Islip OC 948 Islip NY.dgn
731 Jamestown OC 731 Jamestown NY.dgn
905 Massena OC 905 Massena NY.dgn
614 Niagara Falls OC 614 Niagara Falls NY.dgn
5207 Ogdensburg OC 5207 Ogdensburg NY.dgn
729 Plattsburgh OC 729 Plattsburgh NY.dgn
351 Rochester OC 351 Rochester NY.dgn
806 Saranac Lake OC 806 Saranac Lake NY.dgn
955 Utica OC 955 Utica NY.dgn
6515 White Plains OC 651 White Plains NY.dgn
OH
638 Akron OC 638 Akron OH.dgn
5949 Cincinnati OC 5949 Cincinnati OH.dgn
5370 Cleveland OC 5370 Cleveland OH.dgn
94 Columbus OC 94a Columbus OH.dgn Front
94 Columbus OC 94b Columbus OH.dgn Back
OK
432 Tulsa OC 432a Tulsa OK.dgn Front
432 Tulsa OC 432b Tulsa OK.dgn Back
5427 Tulsa OC 5427 Tulsa OK.dgn
OR
251 Medford OC 251 Medford OR.dgn
929 North Bend OC 929 North Bend OR.dgn
330 Portland OC 330a Portland OR.dgn Front
330 Portland OC 330b Portland OR.dgn Back
PA
251 Altoona OC 100 Altoona PA.dgn
320 Philadelphia OC 320a Philadelphia PA.dgn Front
320 Philadelphia OC 320b Philadelphia PA.dgn Back
320 Pittsburgh OC 570a Pittsburgh PA.dgn Front
320 Pittsburgh OC 320b Philadelphia PA.dgn Back
PR
1016 Aguadilla OC 1016 Aguadilla PR.dgn
784 San Juan OC 784 San Juan PR.dgn
RI
333 Providence OC 333 Providence RI.dgn
SC
857 Anderson OC 857 Anderson SC.dgn
76 Charleston OC 76 Charleston SC.dgn
89 Columbia OC 89 Columbia SC.dgn
5124 Greer OC 5124 Greer SC.dgn
5709 Hilton Head Island OC 5709 Hilton Head Island SC.dgn
280 Myrtle Beach OC 280 Myrtle Beach SC.dgn
SD
877 Rapid City OC 877 Rapid City SD.dgn
5235 Yankon OC 5235 Yankon SD.dgn
TN
79 Chattanooga OC 79a Chattanooga TN.dgn Front
79 Chattanooga OC 79b Chattanooga TN.dgn Back
5062 Jackson OC 5062 Jackson TN.dgn
218 Knoxville OC 218 Knoxville TN.dgn
253 Memphis OC 253a Memphis TN.dgn Front
253 Memphis OC 253b Memphis TN.dgn Back
282 Nashville OC 282a Nashville TN.dgn Front
282 Nashville OC 282b Nashville TN.dgn Back
TX
556 Austin OC 556a Austin TX.dgn Front
556 Austin OC 556b Austin TX.dgn Back
521 Beaumont-Port Arthur OC 521 Beaumont-Port Arthur, TX.dgn
61 Brownsville OC 61 Brownsville TX.dgn
928 College Station OC 928 College Station TX.dgn
5032 Corpus Christi OC 5032 Corpus Christi TX.dgn
106 Dallas OC 106 Dallas TX.dgn
134 El Paso OC 134a El Paso TX.dgn Front
134 El Paso OC 134b El Paso TX.dgn Back
906 Fort Hood OC 906 Fort Hood TX.dgn
5138 Greenville OC 5138 Greenville TX.dgn
827 Harlingen OC 827 Harlingen TX.dgn
197 Houston OC 197 Houston TX.dgn
198 Houston OC 198 Houston TX.dgn
226 Laredo OC 226a Laredo TX.dgn Front
226 Laredo OC 226b Laredo TX.dgn Back
807 Longview OC 807 Longview TX.dgn
369 San Antonio OC 369a San Antonio TX.dgn Front
369 San Antonio OC 369b San Antonio TX.dgn Back
579 Waco OC 579 Waco TX.dgn
UT
663 Logan OC 663 Logan UT.dgn
297 Ogden OC 297 Ogden UT.dgn
683 Provo OC 683 Provo UT.dgn
5742 St George OC 5742 St George UT.dgn
445 Wendover OC 445 Wendover UT.dgn
VA
765 Charlottesville OC 765 Charlottesville VA.dgn
599 Danville OC 599 Danville VA.dgn
349 Roanoke OC 349 Roanoke VA.dgn
9743 Stafford OC 9743 Stafford VA.dgn
VI
5005 Charlotte Amalie OC 5005 Charlotte Amalie VI.dgn
VT
70 Burlington OC 70 Burlington VT.dgn
WA
45 Bellingham OC 45 Bellingham WA.dgn
889 Hoquiam OC 889 Hoquiam WA.dgn
403 Spokane OC 403 Spokane WA.dgn
641 Wenatchee OC 641 Wenatchee WA.dgn
WI
262 Milwaukee OC 262a Milwaukee WI.dgn Front
262 Milwaukee OC 262b Milwaukee WI.dgn Back
5078 Waukesha OC 5078 Waukesha WI.dgn
WV
616 Clarksburg OC 616 Clarksburg WV.dgn
WY
5728 Gillette OC 5728a Gillette WY.dgn Front
5728 Gillette OC 5728b Gillette WY.dgn Back
504 Jackson OC 504 Jackson WY.dgn
225 Laramie OC 225 Laramie WY.dgn
388 Sheridan OC 388 Sheridan WY.dgn

Inquiries concerning the NGS Airport Obstruction Charts should be directed to:

Aeronautical Data Coordinator: uddf @ noaa.gov