Narrative:

The week after a ferry flight was completed; I discovered I conducted it contrary to the day VFR limitations of the permit. I arrived with mechanic to the aircraft at night; received the permit at night; and mistakenly assumed it was issued with appropriate provisions for the time. It was not.during my regular shift dispatch requested I pick up a grounded aircraft on a ferry permit. I verified with dispatch that my duty and flight limits would not be exceeded. Upon return to base; a company mechanic was sent with me to retrieve the aircraft.we arrived after sunset and the mechanic went directly to the aircraft. I entered the FBO to complete planning and a [web] search to refresh myself with ferry permit rules. I reviewed 21.197. I forwarded my flight plan to dispatch. After about an hour with the aircraft; the mechanic came inside the FBO and announced the paperwork was done and the aircraft was ready for preflight inspection.the preflight was normal; the malfunction for which the ferry permit was requested was not present. The mechanic had left the ferry permit inside the aircraft and in the darkness I did not adequately verify his work. Instead I simply verified it was there; reviewed the discrepancy sheet from the previous pilot; completed my load manifest; and was released by dispatch. I left confident I was in compliance with all company and regulatory requirements.the return flight was uneventful; I maintained VFR conditions and the malfunction did not return. I delivered the aircraft to our maintenance hangar.the following week we reviewed the paperwork and noted the wording on the permit. Had I reviewed it diligently prior to departure; I would have seen that it was for day VFR only. Verifying that it was onboard the aircraft was not enough.the mistake is my own; however I did not anticipate to be provided a permit to bring back a plane at night that did not include provision for flying at night.I hope that in reporting this issue; it will turn up in a search similar to the one that I did and raise a flag to the pilot.

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Original NASA ASRS Text

Title: PC12 pilot reported conducting a maintenance ferry flight at night with a permit limited to Day VFR.

Narrative: The week after a ferry flight was completed; I discovered I conducted it contrary to the day VFR limitations of the permit. I arrived with mechanic to the aircraft at night; received the permit at night; and mistakenly assumed it was issued with appropriate provisions for the time. It was not.During my regular shift dispatch requested I pick up a grounded aircraft on a ferry permit. I verified with dispatch that my duty and flight limits would not be exceeded. Upon return to base; a company mechanic was sent with me to retrieve the aircraft.We arrived after sunset and the mechanic went directly to the aircraft. I entered the FBO to complete planning and a [web] search to refresh myself with ferry permit rules. I reviewed 21.197. I forwarded my flight plan to dispatch. After about an hour with the aircraft; the mechanic came inside the FBO and announced the paperwork was done and the aircraft was ready for preflight inspection.The preflight was normal; the malfunction for which the ferry permit was requested was not present. The mechanic had left the ferry permit inside the aircraft and in the darkness I did not adequately verify his work. Instead I simply verified it was there; reviewed the discrepancy sheet from the previous pilot; completed my load manifest; and was released by dispatch. I left confident I was in compliance with all company and regulatory requirements.The return flight was uneventful; I maintained VFR conditions and the malfunction did not return. I delivered the aircraft to our maintenance hangar.The following week we reviewed the paperwork and noted the wording on the permit. Had I reviewed it diligently prior to departure; I would have seen that it was for day VFR only. Verifying that it was onboard the aircraft was not enough.The mistake is my own; however I did not anticipate to be provided a permit to bring back a plane at night that did not include provision for flying at night.I hope that in reporting this issue; it will turn up in a search similar to the one that I did and raise a flag to the pilot.

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.