CE510 pilot reported continuing descent after loss of the glideslope signal on approach into hky.

Attributes
ACN	1338380
Time
Date	201502
Local Time Of Day	1201-1800
Place
Locale Reference	HKY.Airport
State Reference	NC
Environment
Flight Conditions	IMC
Aircraft 1
Make Model Name	Cessna Citation Mustang (C510)
Operating Under FAR Part	Part 91
Flight Phase	Initial Approach
Route In Use	Other RNAV 6 LP
Flight Plan	IFR
Person 1
Function	Single Pilot Pilot Flying
Qualification	Flight Crew Instrument Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor
Experience	Flight Crew Total 7200
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Inflight Event / Encounter CFTT / CFIT

Narrative:

On approach into hky; I was given direct to zomar and cleared for the GPS 6 lp approach. Weather was 600 feet overcast with pretty good visibility. Approach mode was selected on the autopilot and GPS sequenced the approach arriving at zomar. The autopilot initiated the turn to kuvre and the approach became active. At this time the glide path was alive and intercepted. As the aircraft proceeded to follow the glide path; at some point during descent the glide path became unreliable and went away. As soon as I noticed; I stopped the descent and leveled off which was at 2;700 MSL. I believe that this was just outside of kuvre. The autopilot at this point was disconnected. I continued to fly the approach by hand as an LNAV approach. Airport was in sight at MDA and the landing was completed safely.

Original NASA ASRS Text

Title: CE510 pilot reported continuing descent after loss of the glideslope signal on approach into HKY.

Narrative: On approach into HKY; I was given direct to ZOMAR and cleared for the GPS 6 LP approach. Weather was 600 feet overcast with pretty good visibility. Approach mode was selected on the autopilot and GPS sequenced the approach arriving at ZOMAR. The autopilot initiated the turn to KUVRE and the approach became active. At this time the glide path was alive and intercepted. As the aircraft proceeded to follow the glide path; at some point during descent the glide path became unreliable and went away. As soon as I noticed; I stopped the descent and leveled off which was at 2;700 MSL. I believe that this was just outside of KUVRE. The autopilot at this point was disconnected. I continued to fly the approach by hand as an LNAV approach. Airport was in sight at MDA and the landing was completed safely.

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.