Ce-680 captain reported a severe turbulence encounter at FL360.

Attributes
ACN	1546410
Time
Date	201805
Local Time Of Day	1801-2400
Place
Locale Reference	ZDV.ARTCC
State Reference	CO
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Make Model Name	Cessna Citation Sovereign (C680)
Operating Under FAR Part	Part 91
Flight Phase	Cruise
Flight Plan	IFR
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Multiengine Flight Crew Instrument Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Deviation - Altitude Excursion From Assigned Altitude Inflight Event / Encounter Loss Of Aircraft Control Inflight Event / Encounter Weather / Turbulence

Narrative:

At FL360; encountered severe turbulence [with] +/- 500 foot changes in altitude. Cabin supplies and equipment thrown about the cabin. Nothing was painting on the onboard radar at the time of the encounter. Regained control of the aircraft after approximately 30 seconds of severe turbulence. Submitted maintenance write-up for inspection. No defects were noted during post flight.

Original NASA ASRS Text

Title: CE-680 Captain reported a severe turbulence encounter at FL360.

Narrative: At FL360; encountered severe turbulence [with] +/- 500 foot changes in altitude. Cabin supplies and equipment thrown about the cabin. Nothing was painting on the onboard radar at the time of the encounter. Regained control of the aircraft after approximately 30 seconds of severe turbulence. Submitted maintenance write-up for inspection. No defects were noted during post flight.

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.