Narrative:

On some of the sea SID pages there is a 'takeoff obstacle notes' line that references a notes page we do not have in our jeppesen documents. Mountain 1 (MONTN1.sea) - 'see takeoff obstacle notes page (10-3ob1).' we do not have page 10-3ob1; nor are the '10-xxxx' pages for ksea; which has '20-xxxx' pages.seattle 7 (SEA7.sea) - 'see takeoff obstacle notes page (20-3ob1).' we do not have page 20-3ob1.summa 2 (SUMMA2.summa) - 'see takeoff obstacle notes page (10-3ob1).' we do not have page 10-3ob1; nor are the '10-xxxx' pages for ksea; which has '20-xxxx' pages.maybe I missed these pages; and if so; where can I find them? Please ammend these takeoff obstacle notes or provide the appropriate jeppesen pages.

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Original NASA ASRS Text

Title: Air carrier First Officer could not locate the Obstacle Takeoff Notes for 3 departure procedures from SEA.

Narrative: On some of the SEA SID pages there is a 'TAKEOFF OBSTACLE NOTES' line that references a NOTES page we do not have in our Jeppesen documents. MOUNTAIN 1 (MONTN1.SEA) - 'See TAKEOFF OBSTACLE NOTES page (10-3OB1).' We do not have page 10-3OB1; nor are the '10-xxxx' pages for KSEA; which has '20-xxxx' pages.SEATTLE 7 (SEA7.SEA) - 'See TAKEOFF OBSTACLE NOTES page (20-3OB1).' We do not have page 20-3OB1.SUMMA 2 (SUMMA2.SUMMA) - 'See TAKEOFF OBSTACLE NOTES page (10-3OB1).' We do not have page 10-3OB1; nor are the '10-xxxx' pages for KSEA; which has '20-xxxx' pages.Maybe I missed these pages; and if so; where can I find them? Please ammend these TAKEOFF OBSTACLE NOTES or provide the appropriate Jeppesen pages.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.