Air carrier light transport turboprop experiences smoke in cabin and cockpit shortly after departure from dfw. Aircraft diverts for emergency landing at dal where they experience hard landing but no injuries.

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Attributes
ACN	127486
Time
Date	198911
Day	Sun
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : dal airport : dfw
State Reference	TX
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : dfw
Operator	common carrier : air carrier
Make Model Name	Light Transport, Low Wing, 2 Turboprop Eng
Flight Phase	landing other other other
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Experience	flight time total : 3096
ASRS Report	127486
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 200 flight time total : 4300
ASRS Report	127639
Events
Anomaly	aircraft equipment problem : critical other anomaly other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency other
Consequence	other
Supplementary
Primary Problem	Aircraft

Narrative:

Departed dfw via runway 17L. Takeoff roll and initial climb normal through level off at 2000'. Upon being cleared to climb to 4000' detected 'dirty socks' odor emanating from air cycle machine, followed by slight trace of blue smoke in cockpit. Further examination revealed substantial smoke emanating from cabin floor vents. Received clearance to return to dfw. Right engine oil pressure sunk to zero instantly. Performed smoke removal and emergency engine shutdown checklist procedures. Elected change in destination to love field and received clearance for same. Heavy smoke/fog in cabin. Stable on final approach. Experienced 1500 FPM sink rate at 500' AGL. Unable to arrest sink rate. Touched down on main gear brushing tail cone on runway. Bounced indeterminate height and returned to runway unable to control direction of aircraft on return to runway. Aircraft exited runway pavement and proceeded to parallel taxiway. Directional control reestablished. Shutdown procedures employed, passenger deplaned, no injuries.

Original NASA ASRS Text

Title: ACR LTT TURBOPROP EXPERIENCES SMOKE IN CABIN AND COCKPIT SHORTLY AFTER DEP FROM DFW. ACFT DIVERTS FOR EMERGENCY LNDG AT DAL WHERE THEY EXPERIENCE HARD LNDG BUT NO INJURIES.

Narrative: DEPARTED DFW VIA RWY 17L. TKOF ROLL AND INITIAL CLIMB NORMAL THROUGH LEVEL OFF AT 2000'. UPON BEING CLRED TO CLIMB TO 4000' DETECTED 'DIRTY SOCKS' ODOR EMANATING FROM AIR CYCLE MACHINE, FOLLOWED BY SLIGHT TRACE OF BLUE SMOKE IN COCKPIT. FURTHER EXAMINATION REVEALED SUBSTANTIAL SMOKE EMANATING FROM CABIN FLOOR VENTS. RECEIVED CLRNC TO RETURN TO DFW. RIGHT ENGINE OIL PRESSURE SUNK TO ZERO INSTANTLY. PERFORMED SMOKE REMOVAL AND EMER ENGINE SHUTDOWN CHECKLIST PROCS. ELECTED CHANGE IN DEST TO LOVE FIELD AND RECEIVED CLRNC FOR SAME. HEAVY SMOKE/FOG IN CABIN. STABLE ON FINAL APCH. EXPERIENCED 1500 FPM SINK RATE AT 500' AGL. UNABLE TO ARREST SINK RATE. TOUCHED DOWN ON MAIN GEAR BRUSHING TAIL CONE ON RWY. BOUNCED INDETERMINATE HEIGHT AND RETURNED TO RWY UNABLE TO CONTROL DIRECTION OF ACFT ON RETURN TO RWY. ACFT EXITED RWY PAVEMENT AND PROCEEDED TO PARALLEL TXWY. DIRECTIONAL CONTROL REESTABLISHED. SHUTDOWN PROCS EMPLOYED, PAX DEPLANED, NO INJURIES.

Data retrieved from NASA's ASRS site as of August 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.