Narrative:
During a training/test flight the crew members tried to perform an approach to landing stall. When the stall recovery was initiated, both propellers 'hung up' when the high (cruise pitch) stops of each propeller failed to withdraw. As the power levers were advanced, turbine gas temperatures exceeded limitations; the left propeller auto-feathered, the right propeller was later feathered by the captain. Restart procedures were attempted without success, and a forced landing in a plowed cornfield ensued.
PROBABLE CAUSE:
"Procedures/directives .. not followed .. pilot in command
Wheels up landing .. intentional .. pilot in command
Powerplant controls .. improper use of .. pilot in command
CONTRIBUTING FACTORS
Inattentive .. pilot in command"
» NTSB
| Status: | Accident investigation report completed and information captured |
| Date: | Tuesday 13 January 1987 |
| Time: | 13:54 |
| Type: |  NAMC YS-11A-213 |
| Operator: | Mid Pacific Airlines |
| Registration: | N906TC |
| MSN: | 2154 |
| First flight: | 1970 |
| Engines: | 2 Rolls-Royce Dart 542-105 |
| Crew: | Fatalities: 0 / Occupants: 3 |
| Passengers: | Fatalities: 0 / Occupants: 0 |
| Total: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Damaged beyond repair |
| Location: | Remington, IN ( United States of America)
|
| Phase: | Landing (LDG) |
| Nature: | Test |
| Departure airport: | Indianapolis International Airport, IN (IND/KIND), United States of America |
| Lafayette-Purdue University Airport, IN (LAF/KLAF), United States of America |
During a training/test flight the crew members tried to perform an approach to landing stall. When the stall recovery was initiated, both propellers 'hung up' when the high (cruise pitch) stops of each propeller failed to withdraw. As the power levers were advanced, turbine gas temperatures exceeded limitations; the left propeller auto-feathered, the right propeller was later feathered by the captain. Restart procedures were attempted without success, and a forced landing in a plowed cornfield ensued.
Probable Cause:
PROBABLE CAUSE:
"Procedures/directives .. not followed .. pilot in command
Wheels up landing .. intentional .. pilot in command
Powerplant controls .. improper use of .. pilot in command
CONTRIBUTING FACTORS
Inattentive .. pilot in command"
Accident investigation:
 |
|
Classification:
Forced landing outside airport
Sources:
» Aviation Letter 244» NTSB
Photos
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Indianapolis International Airport, IN to Lafayette-Purdue University Airport, IN as the crow flies is 94 km (59 miles).
Distance from Indianapolis International Airport, IN to Lafayette-Purdue University Airport, IN as the crow flies is 94 km (59 miles).
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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