Instructor pilot of a piper PA23 apache made an off airport emergency landing after being unable to unfeather the propeller of one of the engines for restarting during a multi engine chkout of another instructor.

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Attributes
ACN	434394
Time
Date	199904
Day	Sat
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : tnv.airport
State Reference	TX
Altitude	msl single value : 5000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : pne.tower
Operator	general aviation : instructional
Make Model Name	PA-23 Apache (& Geronimo Apache)
Operating Under FAR Part	Part 91
Flight Phase	cruise : level
Flight Plan	None
Person 1
Affiliation	other
Function	instruction : trainee
Qualification	pilot : multi engine pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 163 flight time total : 1069 flight time type : 5
ASRS Report	434394
Person 2
Affiliation	other
Function	instruction : instructor
Qualification	pilot : cfi pilot : commercial pilot : instrument pilot : multi engine
Events
Anomaly	aircraft equipment problem : critical other anomaly other anomaly other
Independent Detector	aircraft equipment other aircraft equipment : prop feathering sys other flight crewa other flight crewb
Resolutory Action	flight crew : landed in emergency condition other
Consequence	other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

On the evening of apr/xa/99, aircraft owner and I were on a training flight from david wayne hooks airport, spring, tx. I had to get checked out in this airplane. Aircraft owner was the PIC and I was seated in the right seat. After practicing touch-and-goes at college station, we headed towards the navasota area to practice multi-engine maneuvers. At one point we decided to feather the engine. We went through the checklist to engine shutdown, feather, unfeather to restart. But after many attempts to restart and in vain, we decided to go to navasota airport and land. We entered right base for runway 35 and when he was sure of making the runway, he put the gear handle down, while I got ready to pump the gear down. When I looked up, I noticed we yawed hard to the left and we were facing away from the runway. We decided to put the gear up and headed towards the runway, but as we were getting low, we finally decided to leave the gear down and land straight ahead, which we considered to be the safest.

Original NASA ASRS Text

Title: INSTRUCTOR PLT OF A PIPER PA23 APACHE MADE AN OFF ARPT EMER LNDG AFTER BEING UNABLE TO UNFEATHER THE PROP OF ONE OF THE ENGS FOR RESTARTING DURING A MULTI ENG CHKOUT OF ANOTHER INSTRUCTOR.

Narrative: ON THE EVENING OF APR/XA/99, ACFT OWNER AND I WERE ON A TRAINING FLT FROM DAVID WAYNE HOOKS ARPT, SPRING, TX. I HAD TO GET CHKED OUT IN THIS AIRPLANE. ACFT OWNER WAS THE PIC AND I WAS SEATED IN THE R SEAT. AFTER PRACTICING TOUCH-AND-GOES AT COLLEGE STATION, WE HEADED TOWARDS THE NAVASOTA AREA TO PRACTICE MULTI-ENG MANEUVERS. AT ONE POINT WE DECIDED TO FEATHER THE ENG. WE WENT THROUGH THE CHKLIST TO ENG SHUTDOWN, FEATHER, UNFEATHER TO RESTART. BUT AFTER MANY ATTEMPTS TO RESTART AND IN VAIN, WE DECIDED TO GO TO NAVASOTA ARPT AND LAND. WE ENTERED R BASE FOR RWY 35 AND WHEN HE WAS SURE OF MAKING THE RWY, HE PUT THE GEAR HANDLE DOWN, WHILE I GOT READY TO PUMP THE GEAR DOWN. WHEN I LOOKED UP, I NOTICED WE YAWED HARD TO THE L AND WE WERE FACING AWAY FROM THE RWY. WE DECIDED TO PUT THE GEAR UP AND HEADED TOWARDS THE RWY, BUT AS WE WERE GETTING LOW, WE FINALLY DECIDED TO LEAVE THE GEAR DOWN AND LAND STRAIGHT AHEAD, WHICH WE CONSIDERED TO BE THE SAFEST.

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.