Narrative:

On practice approach to rut, encountered rapid buildup (approximately 1 inch in 5 mins) rime ice, became lost on approach due to this distraction. Then unable to maintain altitude. Requested and received vectors for assistance, returned to airport safely. 2 aircraft landed using approach prior to us. Reported no ice.

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Original NASA ASRS Text

Title: IN FLT ENCOUNTER IN FLT ICING DISTR TO PLT CAUSES HDG TRACK DEV AND ALTDEV. SPATIAL DISORIENTATION DURING IAP LDA APCH.

Narrative: ON PRACTICE APCH TO RUT, ENCOUNTERED RAPID BUILDUP (APPROX 1 INCH IN 5 MINS) RIME ICE, BECAME LOST ON APCH DUE TO THIS DISTR. THEN UNABLE TO MAINTAIN ALT. REQUESTED AND RECEIVED VECTORS FOR ASSISTANCE, RETURNED TO ARPT SAFELY. 2 ACFT LANDED USING APCH PRIOR TO US. RPTED NO ICE.

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.