Instructor with student entered IMC while on an SVFR clearance.

Attributes
ACN	489453
Time
Date	200010
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : dpa.airport
State Reference	IL
Altitude	agl bound lower : 200 msl bound upper : 2500
Environment
Flight Conditions	IMC
Weather Elements	Fog
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : c90.tracon tower : dpa.tower
Operator	general aviation : instructional
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Operating Under FAR Part	Part 91
Navigation In Use	ils localizer & glide slope : il
Flight Phase	climbout : takeoff
Route In Use	approach : instrument precision arrival : on vectors departure : on vectors enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	other
Function	instruction : instructor
Qualification	pilot : instrument pilot : multi engine pilot : cfi
Experience	flight time last 90 days : 90 flight time total : 760 flight time type : 300
ASRS Report	489453
Person 2
Affiliation	other
Function	instruction : trainee
Qualification	pilot : student
Events
Anomaly	inflight encounter : vfr in imc inflight encounter : weather
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance
Consequence	faa : reviewed incident with flight crew
Supplementary
Problem Areas	Weather Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

Student and instructor practicing takeoffs and lndgs. ATIS at time of occurrence, 2 mi visibility, sky clear, broken. Received SVFR clearance to stay in vicinity of dpa at or below 2500 ft and maintain SVFR cloud clearance. Upon takeoff visibility decreased during climb, at 200-300 ft AGL entered dense fog/clouds. Continued climb on heading of south to 2500 ft MSL. Called dpa and stated we were VFR on top and needed IFR clearance back to dpa. Called chicago approach and received clearance for ILS runway 1 at dpa. Received radar vectors to intercept localizer and landing made without incidence. During flight, chicago approach indicated ATIS was visibility 1 1/4 mi and 500 ft overcast. Taf report showed 25010KT 5SM br few 080 becoming 1517 P6SM nsw sct 020. Based on above taf and metar of kdpa 16004KT 2SMBR clear 12/12 A3005, it appeared we could stay close in our traffic pattern and remain clear of clouds. I could have asked for PIREPS of IFR pilots landing for visibility and clouds during the approach.

Original NASA ASRS Text

Title: INSTRUCTOR WITH STUDENT ENTERED IMC WHILE ON AN SVFR CLRNC.

Narrative: STUDENT AND INSTRUCTOR PRACTICING TKOFS AND LNDGS. ATIS AT TIME OF OCCURRENCE, 2 MI VISIBILITY, SKY CLR, BROKEN. RECEIVED SVFR CLRNC TO STAY IN VICINITY OF DPA AT OR BELOW 2500 FT AND MAINTAIN SVFR CLOUD CLRNC. UPON TKOF VISIBILITY DECREASED DURING CLB, AT 200-300 FT AGL ENTERED DENSE FOG/CLOUDS. CONTINUED CLB ON HEADING OF S TO 2500 FT MSL. CALLED DPA AND STATED WE WERE VFR ON TOP AND NEEDED IFR CLRNC BACK TO DPA. CALLED CHICAGO APCH AND RECEIVED CLRNC FOR ILS RWY 1 AT DPA. RECEIVED RADAR VECTORS TO INTERCEPT LOC AND LNDG MADE WITHOUT INCIDENCE. DURING FLT, CHICAGO APCH INDICATED ATIS WAS VISIBILITY 1 1/4 MI AND 500 FT OVCST. TAF RPT SHOWED 25010KT 5SM BR FEW 080 BECOMING 1517 P6SM NSW SCT 020. BASED ON ABOVE TAF AND METAR OF KDPA 16004KT 2SMBR CLR 12/12 A3005, IT APPEARED WE COULD STAY CLOSE IN OUR TFC PATTERN AND REMAIN CLR OF CLOUDS. I COULD HAVE ASKED FOR PIREPS OF IFR PLTS LNDG FOR VISIBILITY AND CLOUDS DURING THE APCH.

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.