Narrative:

I was captain on a repo flight from with just pilots. It was IFR flight plan. The weather [at departure airport] was 1/4 mile in fog. [Destination airport] was fog with RVR values up and down with report of 1;200 touchdown 1;000 rollout. I was the flying pilot. We accepted the ILS 16 using the auto pilot and enhanced vision system (evs) / heads up display (HUD). We were vectored 3 miles outside the FAF and cleared for approach with clearance to land where ATC advised of RVR of 1;200 touchdown 1;000 roll out. The non flying pilot completed the checklist and made the proper callouts. At decision height (DH) he called the approach lights; I saw them also; we continued down another 100 feet. We then had runway environment in sight where I clicked off the autopilot and landed normally on the wet runway in the touchdown area. Applying the reverses and brakes we continued down the runway. As the centerline lights turned from white to red/white then red non flying pilot called for more brakes at which time I am standing on them. It seemed the aircraft was not decelerating like it normally does.the aircraft continued down the center of the runway and skid off the end into the grass. It look like we went about 3-4 feet into grass with the mains. The aircraft did not sustain any damage nor was the pilots hurt.this is hard IMC not to mention waking up [early in the am]. The runway and brakes were wet which resulted in lack of braking. [My suggestion is to] repo the night before in better weather [and] stand on the brakes harder.

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Original NASA ASRS Text

Title: The flight crew of a corporate aircraft reported insufficient deceleration during landing on 6;500 foot runway in poor weather that led to a runway excursion.

Narrative: I was Captain on a repo flight from with just pilots. It was IFR flight plan. The weather [at departure airport] was 1/4 mile in fog. [Destination airport] was fog with RVR values up and down with report of 1;200 touchdown 1;000 rollout. I was the flying pilot. We accepted the ILS 16 using the auto pilot and Enhanced Vision System (EVS) / Heads Up Display (HUD). We were vectored 3 miles outside the FAF and cleared for approach with clearance to land where ATC advised of RVR of 1;200 touchdown 1;000 roll out. The non flying pilot completed the checklist and made the proper callouts. At Decision Height (DH) he called the approach lights; I saw them also; we continued down another 100 feet. We then had runway environment in sight where I clicked off the autopilot and landed normally on the wet runway in the touchdown area. Applying the reverses and brakes we continued down the runway. As the centerline lights turned from white to red/white then red non flying pilot called for more brakes at which time I am standing on them. It seemed the aircraft was not decelerating like it normally does.The aircraft continued down the center of the runway and skid off the end into the grass. It look like we went about 3-4 feet into grass with the mains. The aircraft did not sustain any damage nor was the pilots hurt.This is hard IMC not to mention waking up [early in the AM]. The runway and brakes were wet which resulted in lack of braking. [My Suggestion is to] repo the night before in better weather [and] stand on the brakes harder.

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.