Ground critical conflict between air carrier-medium large transport and GA-small aircraft on runway. GA-small aircraft made unauthorized landing due no electric in IFR opposite direction to medium large transport takeoff.

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Attributes
ACN	92804
Time
Date	198808
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : tys
State Reference	TN
Altitude	agl bound lower : 0 agl bound upper : 50
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : tys tower : dca
Operator	common carrier : air carrier
Make Model Name	Medium Large Transport, Low Wing, 2 Turbojet Eng
Flight Phase	climbout : takeoff
Flight Plan	IFR
Aircraft 2
Operator	general aviation : personal
Make Model Name	Small Aircraft, High Wing, 1 Eng, Fixed Gear
Flight Phase	landing other
Flight Plan	None
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 171 flight time total : 11805 flight time type : 120
ASRS Report	92804
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	aircraft equipment problem : less severe conflict : ground critical incursion : runway non adherence : clearance other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : declared emergency flight crew : took evasive action
Consequence	faa : investigated faa : reviewed incident with flight crew
Miss Distance	horizontal : 50 vertical : 50
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation other

Narrative:

We were cleared for takeoff on runway 23R at tys. All checklists were complete and all lights were on as we commenced takeoff roll. Runway 23R has a hump that obscures approximately 1/2 of the runway. As I approached the crest of the hill, I observed a single engine high wing light tan aircraft with 1 wheel on the runway and on one the shoulder taxiing toward me. He was approximately 1500' ahead when observed. I was within 10 KTS of V1 and judged that the safest course of action was to continue the takeoff. I rotated and estimate that we cleared him 50' vertical and 50' horizontal. Tower was unaware of this aircraft and apologized profusely. A follow up call to tys tower filled in the gaps. A VFR pilot had gotten lost in IFR conditions and landed on the first runway (5L) that he saw. He claimed to have taken off in al, lost electrics and landed against traffic at tys. The glow of my landing lights coming over the hill may have warned him in time to clear to the runway shoulder. I feel that the licensing procedure for amateur pilots should be tightened significantly.

Original NASA ASRS Text

Title: GND CRITICAL CONFLICT BETWEEN ACR-MLG AND GA-SMA ON RWY. GA-SMA MADE UNAUTH LNDG DUE NO ELECTRIC IN IFR OPPOSITE DIRECTION TO MLG TKOF.

Narrative: WE WERE CLRED FOR TKOF ON RWY 23R AT TYS. ALL CHKLISTS WERE COMPLETE AND ALL LIGHTS WERE ON AS WE COMMENCED TKOF ROLL. RWY 23R HAS A HUMP THAT OBSCURES APPROX 1/2 OF THE RWY. AS I APCHED THE CREST OF THE HILL, I OBSERVED A SINGLE ENG HIGH WING LIGHT TAN ACFT WITH 1 WHEEL ON THE RWY AND ON ONE THE SHOULDER TAXIING TOWARD ME. HE WAS APPROX 1500' AHEAD WHEN OBSERVED. I WAS WITHIN 10 KTS OF V1 AND JUDGED THAT THE SAFEST COURSE OF ACTION WAS TO CONTINUE THE TKOF. I ROTATED AND ESTIMATE THAT WE CLRED HIM 50' VERT AND 50' HORIZ. TWR WAS UNAWARE OF THIS ACFT AND APOLOGIZED PROFUSELY. A FOLLOW UP CALL TO TYS TWR FILLED IN THE GAPS. A VFR PLT HAD GOTTEN LOST IN IFR CONDITIONS AND LANDED ON THE FIRST RWY (5L) THAT HE SAW. HE CLAIMED TO HAVE TAKEN OFF IN AL, LOST ELECTRICS AND LANDED AGAINST TFC AT TYS. THE GLOW OF MY LNDG LIGHTS COMING OVER THE HILL MAY HAVE WARNED HIM IN TIME TO CLR TO THE RWY SHOULDER. I FEEL THAT THE LICENSING PROC FOR AMATEUR PLTS SHOULD BE TIGHTENED SIGNIFICANTLY.

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.