Narrative:

About one hours and thirty minutes [into flight] at FL380; I saw the oil pressure on number one engine was lower than normal and I told the captain about it; now he was aware about the indication and we briefed the check list just in case of loss [of] oil pressure. [A] few minutes later we got the three indication that confirm we completely lost the oil pressure; we ran the check list and we shutdown the engine declaring an emergency with [ATC]; requesting an immediate descent to FL240 and requesting vector direct to [an alternate airport]; as the best option for us because we know the area and also we knew that [the alternate] airport have good facilities for this type of emergency. 35 minutes later we landed safely in [the alternate] airport and we took our passengers back to ground safe. The captain and I we were so professional and we were focused on the all phases of the flight; that is the only way that pilots can handle this kind of situation.

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Original NASA ASRS Text

Title: Hawker 800XP FO reported shutting down an engine in flight because of loss of oil pressure. Flight declared an emergency and diverted to an alternate airport.

Narrative: About one hours and thirty minutes [into flight] at FL380; I saw the oil pressure on number one engine was lower than normal and I told the Captain about it; now he was aware about the indication and we briefed the check list just in case of loss [of] oil pressure. [A] few minutes later we got the three indication that confirm we completely lost the oil pressure; we ran the check list and we shutdown the engine declaring an emergency with [ATC]; requesting an immediate descent to FL240 and requesting vector direct to [an alternate airport]; as the best option for us because we know the area and also we knew that [the alternate] airport have good facilities for this type of emergency. 35 minutes later we landed safely in [the alternate] airport and we took our passengers back to ground safe. The Captain and I we were so professional and we were focused on the all phases of the flight; that is the only way that pilots can handle this kind of situation.

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.