<< >> NASA ASRS Report 338726, June 1996

T28 pilot has rough engine, begins letdown for emergency landing. Able to restart engine and continue to destination airport. Water in fuel. Evidence of wire strike on cowling.

Attributes
ACN	338726
Time
Date	199606
Day	Sun
Local Time Of Day	1801 To 2400
Place
Locale Reference	atc facility : 5d8 airport : btl
State Reference	MI
Altitude	agl bound lower : 0 agl bound upper : 320
Environment
Flight Conditions	VMC
Light	Dusk
Aircraft 1
Operator	general aviation : personal
Make Model Name	Northrop Corp Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	other
Flight Plan	None
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : atp
Experience	flight time last 90 days : 50 flight time total : 2700 flight time type : 250
ASRS Report	338726
Person 2
Affiliation	Other
Function	other personnel other
Qualification	other other : other
Events
Anomaly	aircraft equipment problem : critical other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : overcame equipment problem
Consequence	Other
Supplementary
Primary Problem	Aircraft
Air Traffic Incident	other

Narrative:

Departed charlotte, mi, for a VFR flight to battle creek, mi (approximately 30 NM). Normal takeoff and climb. En route engine began to run rough -- power loss. Set up for emergency landing on interstate highway. Was able to obtain restart and continued on to battle creek. Upon landing, engine fuel sump was strained and water was discovered -- wing tanks had no water, however. Also note dents in cowling. Had no idea what had caused them. Aircraft taken to mechanic who also found some water in fuel and indicated in his opinion dents were caused by a wire strike. Contacted FAA and NTSB next day to fill out report. FAA labeled it an 'incident.' NTSB did not feel incident was rptable. Contributing factors were approaching dusk conditions, which would make wires even more difficult to see. Aircraft was outside on display for air show during rain storm and water may have found its way into tanks. Tanks are bladders, and folds may have trapped water.

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Original NASA ASRS Text

Title: T28 PLT HAS ROUGH ENG, BEGINS LETDOWN FOR EMER LNDG. ABLE TO RESTART ENG AND CONTINUE TO DEST ARPT. WATER IN FUEL. EVIDENCE OF WIRE STRIKE ON COWLING.

Narrative: DEPARTED CHARLOTTE, MI, FOR A VFR FLT TO BATTLE CREEK, MI (APPROX 30 NM). NORMAL TKOF AND CLB. ENRTE ENG BEGAN TO RUN ROUGH -- PWR LOSS. SET UP FOR EMER LNDG ON INTERSTATE HWY. WAS ABLE TO OBTAIN RESTART AND CONTINUED ON TO BATTLE CREEK. UPON LNDG, ENG FUEL SUMP WAS STRAINED AND WATER WAS DISCOVERED -- WING TANKS HAD NO WATER, HOWEVER. ALSO NOTE DENTS IN COWLING. HAD NO IDEA WHAT HAD CAUSED THEM. ACFT TAKEN TO MECH WHO ALSO FOUND SOME WATER IN FUEL AND INDICATED IN HIS OPINION DENTS WERE CAUSED BY A WIRE STRIKE. CONTACTED FAA AND NTSB NEXT DAY TO FILL OUT RPT. FAA LABELED IT AN 'INCIDENT.' NTSB DID NOT FEEL INCIDENT WAS RPTABLE. CONTRIBUTING FACTORS WERE APCHING DUSK CONDITIONS, WHICH WOULD MAKE WIRES EVEN MORE DIFFICULT TO SEE. ACFT WAS OUTSIDE ON DISPLAY FOR AIR SHOW DURING RAIN STORM AND WATER MAY HAVE FOUND ITS WAY INTO TANKS. TANKS ARE BLADDERS, AND FOLDS MAY HAVE TRAPPED WATER.

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.