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Attributes | |
ACN | 651161 |
Time | |
Date | 200503 |
Local Time Of Day | 0601 To 1200 |
Place | |
Locale Reference | airport : zzz.airport |
State Reference | US |
Altitude | msl single value : 5500 |
Environment | |
Flight Conditions | VMC |
Light | Daylight |
Aircraft 1 | |
Operator | general aviation : instructional |
Make Model Name | PA-34-200 Seneca I |
Operating Under FAR Part | Part 91 |
Flight Phase | descent : approach |
Route In Use | approach : traffic pattern |
Flight Plan | None |
Aircraft 2 | |
Make Model Name | Other |
Flight Phase | ground : holding |
Person 1 | |
Affiliation | other |
Function | instruction : instructor |
Qualification | pilot : multi engine pilot : instrument pilot : commercial pilot : cfi |
Experience | flight time last 90 days : 85 flight time total : 860 flight time type : 175 |
ASRS Report | 651161 |
Person 2 | |
Affiliation | other |
Function | instruction : trainee |
Qualification | pilot : private pilot : instrument |
Experience | flight time last 90 days : 58 flight time total : 158 flight time type : 4 |
ASRS Report | 651474 |
Events | |
Anomaly | aircraft equipment problem : critical ground encounters other |
Independent Detector | other flight crewa other flight crewb |
Resolutory Action | flight crew : declared emergency flight crew : landed in emergency condition |
Supplementary | |
Problem Areas | Aircraft Flight Crew Human Performance |
Primary Problem | Aircraft |
Narrative:
Training flight began a little after XA30 on mar/fri/05. Runup and preflight thorough; as the student is new to the aircraft. Weight and balance and performance charts discussed. Emergency briefing performed. Student was the sole manipulator of the controls until the time of the emergency. Practiced steep turns; slow flight and stalls at about 7000-8000 ft MSL in the local practice area. Also practiced 2 emergency dscnts. About XB15 returned to ZZZ1 airport to land. Instructed student to perform a go around at about 200-300 ft AGL. Brought gear and flaps up; but left propellers full forward during the 4 mi flight to downwind for runway 30 at ZZZ2 airport. Radio calls reported a gyrocopter ready to take off runway 30 and another aircraft doing a runup for runway 12. Student started downwind checklist: fuel pumps on; gear down and locked. At this point; plane started to lose altitude and heading. The student said; 'something is wrong.' I looked at the gauges quickly and oil temperatures and pressures were green. We exchanged controls and I instinctively pulled back and we slowed down some to about 90 KTS. The student said; 'you are slow.' I pitched the aircraft forward and applied left rudder to correct bank to the right and achieve vyse. I estimate we lost 30-40 degrees of heading to the right and 500 ft of altitude. I made decision to turn into the dead engine toward fields instead of to the left toward the town and runway we had been approaching. Student told me later; I put the quadrant full forward and verbally confirmed. I do not remember this. I do remember verifying dead engine and feathering the propeller. I remember thinking about 'raise the dead' but I am not sure I did it. I kept my eyes outside. My student was immeasurably helpful as he kept an eye on the airspeed 105 mph. We idented a field to land on and cleared power lines; trees; and a concrete irrigation ditch to land facing northwest on a 1250 ft winter wheat field. Time from engine failure to landing was 2-3 mins. I called 'mayday; aircraft X is going down 1 mi west of ZZZ2' shortly before landing. The landing was smooth and the plane; the student; and I were undamaged and not injured in any way. We made a radio call that we were ok; turned off the aircraft controls and exited the aircraft. ELT did not go off. Damage to field was negligible. Callback conversation with reporter revealed the following information: a PA34 at full power on a standard day at 5200 ft will maintain altitude. They were at 5500 ft and could not make this older aircraft fly. There was no cause found for the engine quitting; but the reporter did not agree with the most commonly held theory that the engine fuel mixture was too lean. They had full rich during the attempted recovery and the engine would not run. The aircraft was not damaged. Supplemental information from acn 651474: possible reason for the problem with the right engine was that the mixture was set too lean. It was no problem trying to land at the ZZZ1 airport with the same amount of mixture; but it was a problem at ZZZ2. We also did not make a decision to land at the ZZZ2 airport because of other airplanes in the traffic pattern. 1 on the runway; 3 in the pattern; 1 on the other side of the runway at ZZZ2. After landing; both engines were restarted and both worked without any problems so it was most likely that mixture was not set and it was too lean. No other factors affected the flight or performance of the aircraft.
Original NASA ASRS Text
Title: A PA34 L ENG STOPPED RUNNING WITH INSTRUCTOR AND STUDENT ON BOARD. EMER DECLARED AND SAFE OFF ARPT LNDG MADE.
Narrative: TRAINING FLT BEGAN A LITTLE AFTER XA30 ON MAR/FRI/05. RUNUP AND PREFLT THOROUGH; AS THE STUDENT IS NEW TO THE ACFT. WT AND BAL AND PERFORMANCE CHARTS DISCUSSED. EMER BRIEFING PERFORMED. STUDENT WAS THE SOLE MANIPULATOR OF THE CTLS UNTIL THE TIME OF THE EMER. PRACTICED STEEP TURNS; SLOW FLT AND STALLS AT ABOUT 7000-8000 FT MSL IN THE LCL PRACTICE AREA. ALSO PRACTICED 2 EMER DSCNTS. ABOUT XB15 RETURNED TO ZZZ1 ARPT TO LAND. INSTRUCTED STUDENT TO PERFORM A GAR AT ABOUT 200-300 FT AGL. BROUGHT GEAR AND FLAPS UP; BUT LEFT PROPS FULL FORWARD DURING THE 4 MI FLT TO DOWNWIND FOR RWY 30 AT ZZZ2 ARPT. RADIO CALLS RPTED A GYROCOPTER READY TO TAKE OFF RWY 30 AND ANOTHER ACFT DOING A RUNUP FOR RWY 12. STUDENT STARTED DOWNWIND CHKLIST: FUEL PUMPS ON; GEAR DOWN AND LOCKED. AT THIS POINT; PLANE STARTED TO LOSE ALT AND HDG. THE STUDENT SAID; 'SOMETHING IS WRONG.' I LOOKED AT THE GAUGES QUICKLY AND OIL TEMPS AND PRESSURES WERE GREEN. WE EXCHANGED CTLS AND I INSTINCTIVELY PULLED BACK AND WE SLOWED DOWN SOME TO ABOUT 90 KTS. THE STUDENT SAID; 'YOU ARE SLOW.' I PITCHED THE ACFT FORWARD AND APPLIED L RUDDER TO CORRECT BANK TO THE R AND ACHIEVE VYSE. I ESTIMATE WE LOST 30-40 DEGS OF HDG TO THE R AND 500 FT OF ALT. I MADE DECISION TO TURN INTO THE DEAD ENG TOWARD FIELDS INSTEAD OF TO THE L TOWARD THE TOWN AND RWY WE HAD BEEN APCHING. STUDENT TOLD ME LATER; I PUT THE QUADRANT FULL FORWARD AND VERBALLY CONFIRMED. I DO NOT REMEMBER THIS. I DO REMEMBER VERIFYING DEAD ENG AND FEATHERING THE PROP. I REMEMBER THINKING ABOUT 'RAISE THE DEAD' BUT I AM NOT SURE I DID IT. I KEPT MY EYES OUTSIDE. MY STUDENT WAS IMMEASURABLY HELPFUL AS HE KEPT AN EYE ON THE AIRSPD 105 MPH. WE IDENTED A FIELD TO LAND ON AND CLRED PWR LINES; TREES; AND A CONCRETE IRRIGATION DITCH TO LAND FACING NW ON A 1250 FT WINTER WHEAT FIELD. TIME FROM ENG FAILURE TO LNDG WAS 2-3 MINS. I CALLED 'MAYDAY; ACFT X IS GOING DOWN 1 MI W OF ZZZ2' SHORTLY BEFORE LNDG. THE LNDG WAS SMOOTH AND THE PLANE; THE STUDENT; AND I WERE UNDAMAGED AND NOT INJURED IN ANY WAY. WE MADE A RADIO CALL THAT WE WERE OK; TURNED OFF THE ACFT CTLS AND EXITED THE ACFT. ELT DID NOT GO OFF. DAMAGE TO FIELD WAS NEGLIGIBLE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: A PA34 AT FULL PWR ON A STANDARD DAY AT 5200 FT WILL MAINTAIN ALT. THEY WERE AT 5500 FT AND COULD NOT MAKE THIS OLDER ACFT FLY. THERE WAS NO CAUSE FOUND FOR THE ENG QUITTING; BUT THE RPTR DID NOT AGREE WITH THE MOST COMMONLY HELD THEORY THAT THE ENG FUEL MIXTURE WAS TOO LEAN. THEY HAD FULL RICH DURING THE ATTEMPTED RECOVERY AND THE ENG WOULD NOT RUN. THE ACFT WAS NOT DAMAGED. SUPPLEMENTAL INFO FROM ACN 651474: POSSIBLE REASON FOR THE PROB WITH THE R ENG WAS THAT THE MIXTURE WAS SET TOO LEAN. IT WAS NO PROB TRYING TO LAND AT THE ZZZ1 ARPT WITH THE SAME AMOUNT OF MIXTURE; BUT IT WAS A PROB AT ZZZ2. WE ALSO DID NOT MAKE A DECISION TO LAND AT THE ZZZ2 ARPT BECAUSE OF OTHER AIRPLANES IN THE TFC PATTERN. 1 ON THE RWY; 3 IN THE PATTERN; 1 ON THE OTHER SIDE OF THE RWY AT ZZZ2. AFTER LNDG; BOTH ENGS WERE RESTARTED AND BOTH WORKED WITHOUT ANY PROBS SO IT WAS MOST LIKELY THAT MIXTURE WAS NOT SET AND IT WAS TOO LEAN. NO OTHER FACTORS AFFECTED THE FLT OR PERFORMANCE OF THE ACFT.
Data retrieved from NASA's ASRS site as of January 2009 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.