Narrative:

ZZZ is undergoing a huge construction project on the south side of the airport. It involves multiple taxiway closures. This has lead to very confusing taxiway closure and renaming notams at ZZZ are confusing which could lead to a potential safety issue.looking at the diagram these two NOTAM overlap in most but not all areas. If you misread them; it can become an issue for a crew in the middle of the night. Even worse; three notams written several months apart all refer to taxiway T6. So; which T6 is the first NOTAM talking about the old T6 in april or the new T6 in june? Moreover; the jeppfd-pro application has a amm (aircraft maintenance manual) diagram with some but not all construction highlighted. But even that is incorrect. (There is no construction between B5 and B6 in real life; but it is highlighted on the amm.) without a date on the amm it provides little utility to know if the highlights are good or bad. Even the jeppfd-pro page incorrectly marks the new taxiway names.unclear notams and lack of up to date taxi diagram with highlighted to show current closures and taxiways names. The current jepp page needs to be updated correctly and released.publish a new construction diagram for ZZZ. Release to aircrew. Examine notams for unnecessary and potentially misleading overlap.

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Original NASA ASRS Text

Title: First Officer reported NOTAMS at destination are ineffective in providing a useful taxi tool to navigate a huge airport construction area.

Narrative: ZZZ is undergoing a huge construction project on the south side of the airport. It involves multiple taxiway closures. This has lead to very confusing taxiway closure and renaming NOTAMs at ZZZ are confusing which could lead to a potential safety issue.Looking at the diagram these two NOTAM overlap in most but not all areas. If you misread them; it can become an issue for a crew in the middle of the night. Even worse; three NOTAMs written several months apart all refer to taxiway T6. So; which T6 is the first NOTAM talking about the old T6 in April or the new T6 in June? Moreover; the JeppFD-Pro application has a AMM (Aircraft Maintenance Manual) diagram with SOME but not all construction highlighted. But even that is incorrect. (There is no construction between B5 and B6 in real life; but it is highlighted on the AMM.) Without a date on the AMM it provides little utility to know if the highlights are good or bad. Even the JeppFD-Pro page incorrectly marks the new taxiway names.Unclear NOTAMs and lack of up to date taxi diagram with highlighted to show current closures and taxiways names. The current Jepp page needs to be updated correctly and released.Publish a new construction diagram for ZZZ. Release to aircrew. Examine NOTAMs for unnecessary and potentially misleading overlap.

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.