Pilot entered IFR conditions without clearance.

Attributes
ACN	428892
Time
Date	199902
Day	Sun
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : cno.airport
State Reference	CA
Altitude	msl single value : 4000
Environment
Flight Conditions	Mixed
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : sct.tracon
Operator	general aviation : personal
Make Model Name	Cessna 170
Navigation In Use	other
Flight Phase	cruise : enroute altitude change
Route In Use	enroute : on vectors
Flight Plan	None
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : private
Experience	flight time last 90 days : 25 flight time total : 250 flight time type : 140
ASRS Report	428892
Person 2
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	inflight encounter : weather inflight encounter : vfr in imc non adherence : far
Independent Detector	other flight crewa
Resolutory Action	flight crew : exited adverse environment
Supplementary
Problem Areas	Flight Crew Human Performance Weather
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

While over ont, I descended through scattered clouds to get below ceilings. After proceeding, I think I ended up between layers and eventually ended up in a cloud for approximately 30 seconds. I immediately notified socal of the situation.

Original NASA ASRS Text

Title: PLT ENTERED IFR CONDITIONS WITHOUT CLRNC.

Narrative: WHILE OVER ONT, I DSNDED THROUGH SCATTERED CLOUDS TO GET BELOW CEILINGS. AFTER PROCEEDING, I THINK I ENDED UP BTWN LAYERS AND EVENTUALLY ENDED UP IN A CLOUD FOR APPROX 30 SECONDS. I IMMEDIATELY NOTIFIED SOCAL OF THE SIT.

Data retrieved from NASA's ASRS site as of July 2007 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.