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NTSB AVIATION ACCIDENT/INCIDENT DATABASE REPORT


General Information

Data Source:                          NTSB AVIATION ACCIDENT/INCIDENT DATABASE
   Report Number:                        DEN88LA133 
   Local Date:                           06/21/1988
   Local Time:                           14:45 CDT
   State:                                ND    
   City:                                 GRAND FORKS                        
   Airport Name:                                                  
   Airport Id:                                 
   Event Type:                           ACCIDENT
   Injury Severity:                      NONE   
   Report Status:                        FINAL      
   Mid Air Collision:                    NO 

Operations Information

Category of Operation:                GENERAL AVIATION       
   Aircraft Type:                        AIRPLANE       
   Aircraft Damage:                      SUBSTANTIAL      
   Phase of Flight:                      570 LANDING                                           
   Aircraft Make/Model:                  CESSNA CE-152-XXX               
   Operator Doing Business As:                                         
   Operator Name:                        UNIVERSITY OF NORTH DAKOTA    
   Operator Code:                            
   Operator:                                                                       
   Owner Name:                           UNIV. OF N. DAKOTA, GRAND FORK

Narrative

A CFI AND COMMERCIAL RATED PILOT WERE PRACTICING SIMULATED E MERGENCY 
   LANDINGS WITH POWER RECOVERIES. THE STUDENT SET UP AN APPROACH TO A 
   CULTIVATED FIELD AND WHEN POWER WAS ADDED, THE ENGINE ADVANCED TO 1300 
   RPM, THEN RETURNED TO IDLE. FURTHER ATTEMPTS TO INCREASE RPM WERE FUTI 
   LE. THE CFI TOOK THE CONTROLS, CLOSED THE THROTTLE AND PREPARED FOR THE 
   LANDING. AT TOUCHDOWN THE NOSE WHEEL DU G INTO THE SOFT TERRAIN AND THE 
   AIRPLANE NOSED OVER. A POST-ACCIDENT INSPECTION AND ENGINE RUN BY AN 
   A&P ME CHANIC WITH INSPECTION AUTHORIZATION FAILED TO REVEAL ANY 
   EVIDENCE TO EXPLAIN THE REPORTED MALFUNCTION. THE AIRCRAFT WAS 
   OPERATING IN THE CARBURETOR ICING PROBABILITY REGION.

Sequence of Events

Occurrence #: 1  354 LOSS OF ENGINE POWER (PARTIAL) - NON-MECHANICAL
   Phase of Operation: 551 DESCENT - NORMAL

           Findings
           Subject - Modifier - Personnel Cause/Factor

   1a.   20000(S) - 2202(M)  Factor
         WEATHER CONDITION - CARBURETOR ICING CONDITIONS
   1b.   22304(S) - 3110(M) - 4101(P)  Cause
         CARBURETOR HEAT - IMPROPER USE OF - DUAL STUDENT
   2b.   24627(S) - 3115(M) - 4103(P)  Cause
         SUPERVISION - INADEQUATE - PILOT IN COMMAND (CFI)

   Occurrence #: 2  180 FORCED LANDING
   Phase of Operation: 552 DESCENT - EMERGENCY

           Findings
           Subject - Modifier - Personnel Cause/Factor


   Occurrence #: 3  300 NOSE OVER
   Phase of Operation: 571 LANDING - FLARE/TOUCHDOWN

           Findings
           Subject - Modifier - Personnel Cause/Factor

   1a.   19200(S) - 2425(M)  Factor
         TERRAIN CONDITION - SOFT
   2a.   19200(S) - 2401(M)  Factor
         TERRAIN CONDITION - CROP
   3a.   19200(S) - 2417(M)
         TERRAIN CONDITION - OPEN FIELD

Probable Cause


Aircraft Information

Number of Seats:                      2  
   Aircraft Use:                         INSTRUCTIONAL      
   Type of Operation:                    14 CFR 91 
   Domestic/International:                            
   Passenger/Cargo:                                        
   Registration Number:                  96730 
   Air Carrier Operating Certificates:   
   Aircraft Fire:                        NONE

                  Injuries
          Fatal  Serious  Minor  None
   Crew      0       0       0      2
   Pass      0       0       0      0
   Other     0       0       0      0
   Invlvd    0       0       0      2

   Landing Gear:                         TRICYCLE-FIXED
   Certificated Maximum Gross Weight:    1670
   Engine Make:                          LYCOMING     
   Engine Model:                         O-235-N2C    
   Number of Engines:                    1 
   Engine Type:                          RECIPROCATING-CARBURETOR    

Environment/Operations Information

Basic Weather Conditions:             VISUAL METEOROLOGICAL CONDITIONS (VMC)  
   Wind Direction (deg):                 200
   Wind Speed (knots):                   10
   Visibility (sm):                      15
   Visibility RVR (ft):                  0
   Visibility RVV (sm):                  0
   Cloud Height Above Ground Level (ft): 6000
   Visibility Restrictions:              HAZE (H)
   Precipitation Type:                   NONE
   Light Condition:                      DAYLIGHT
   Departure Airport Id:                 GFK 
   Departure City:                       GRAND FORKS
   Departure State:                      ND
   Destination Airport Id:               GFK 
   Destination City:                     
   Destination State:                      
   Flight Plan Filed:                    NONE
   ATC Clearance:                        NONE
   VFR Approach/Landing:                 FORCED LANDING
   Event Location:                       OFF AIRPORT/AIRSTRIP

Pilot-in-Command

Certificates:                         COMMERCIAL, FLIGHT INSTRUCTOR
   Ratings:
     Plane:                              SINGLE ENGINE LAND, MULTIENGINE LAND
     Non-Plane:                          NONE
     Instrument:                         AIRPLANE
   Had Current BFR:                      YES
   Months Since Last BFR:                4  
   Medical Certificate:                  CLASS 1
   Medical Certificate Validity:         VALID MEDICAL-NO WAIVERS/LIMITATIONS

              Flight Time (Hours)
   Total       :    904  Last 24 Hrs :    3
   Make/Model  :    388  Last 30 Days:    0
   Instrument  :     70  Last 90 Days:  145
   Multi-Engine:     35  Rotorcraft  :    0

 

Source: NTSB