<< >> NASA ASRS Report 118582, July 1989

Pilot of small transport twin lost communication with TRACON, continued approach with other electrical problems. Landed with gear up.

Attributes
ACN	118582
Time
Date	198907
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : msy
State Reference	LA
Altitude	agl bound lower : 0 agl bound upper : 2000
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : msy tower : msy
Operator	general aviation : personal
Make Model Name	Small Transport, Low Wing, 2 Recip Eng
Navigation In Use	Other
Flight Phase	descent : approach landing other
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : private pilot : instrument
Experience	flight time last 90 days : 20 flight time total : 1001 flight time type : 600
ASRS Report	118582
Person 2
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other other : unspecified cockpit
Resolutory Action	flight crew : declared emergency none taken : insufficient time
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Electrical failure. Lost radio communication with approach control. Radar went blank. Checked circuit breakers. VOR rapid fluctuation. LORAN out. In the clouds before final approach fix. Uncertain whether electrical failure occurred before or after final approach fix. At 1000' to 500' dropped gear switch and flaps. No green light. Pressed to test, no light. I thought I heard the gear motor. Storm level 3-5 east of field. Uncertain as to traffic west of field. Had just left area of thunderstorms. At 200' hoping a total light failure and hoping gear down. A wheels up landing was executed. Immediately prior or at touchdown a large quantity of white smoke billowed from the instrument panel. Fireman disconnected battery. Damage to aircraft slight. No injuries.

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Original NASA ASRS Text

Title: PLT OF SMT TWIN LOST COM WITH TRACON, CONTINUED APCH WITH OTHER ELECTRICAL PROBLEMS. LANDED WITH GEAR UP.

Narrative: ELECTRICAL FAILURE. LOST RADIO COM WITH APCH CTL. RADAR WENT BLANK. CHECKED CIRCUIT BREAKERS. VOR RAPID FLUCTUATION. LORAN OUT. IN THE CLOUDS BEFORE FINAL APCH FIX. UNCERTAIN WHETHER ELECTRICAL FAILURE OCCURRED BEFORE OR AFTER FINAL APCH FIX. AT 1000' TO 500' DROPPED GEAR SWITCH AND FLAPS. NO GREEN LIGHT. PRESSED TO TEST, NO LIGHT. I THOUGHT I HEARD THE GEAR MOTOR. STORM LEVEL 3-5 E OF FIELD. UNCERTAIN AS TO TFC W OF FIELD. HAD JUST LEFT AREA OF TSTMS. AT 200' HOPING A TOTAL LIGHT FAILURE AND HOPING GEAR DOWN. A WHEELS UP LNDG WAS EXECUTED. IMMEDIATELY PRIOR OR AT TOUCHDOWN A LARGE QUANTITY OF WHITE SMOKE BILLOWED FROM THE INSTRUMENT PANEL. FIREMAN DISCONNECTED BATTERY. DAMAGE TO ACFT SLIGHT. 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.