Narrative:

Immediately after takeoff, both crew members noticed a strong unusual odor in cockpit. Flight attendants reported smoke/haze in cabin. Declared an emergency and returned to las for an uneventful landing. Smoke/haze dissipated during approach. After clearing runway, airport rescue/fire fighters reported nothing unusual upon exterior inspection. Taxied to gate and passenger deplaned. No known injuries to passenger or crew members.

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Original NASA ASRS Text

Title: MD80 FLC REPORTED SMOKE AND FUMES IN COCKPIT AFTER TKOF. EMER DECLARED.

Narrative: IMMEDIATELY AFTER TKOF, BOTH CREW MEMBERS NOTICED A STRONG UNUSUAL ODOR IN COCKPIT. FLT ATTENDANTS RPTED SMOKE/HAZE IN CABIN. DECLARED AN EMER AND RETURNED TO LAS FOR AN UNEVENTFUL LNDG. SMOKE/HAZE DISSIPATED DURING APCH. AFTER CLRING RWY, ARPT RESCUE/FIRE FIGHTERS RPTED NOTHING UNUSUAL UPON EXTERIOR INSPECTION. TAXIED TO GATE AND PAX DEPLANED. NO KNOWN INJURIES TO PAX OR CREW MEMBERS.

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.