# NTSB MKC70DDM17: Beech 56TC, N7890R, Rochester, MN, April 4, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 4, 1970
- Place: Rochester, MN · ROCHESTER, MN
- Location: 44.0216° N, 92.4699° W: Placed by OpenAirDocs: center of Rochester, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.0216&lon=-92.4699&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report July 23, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 140706
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC70DDM17
- Page: https://openairdocs.org/ntsb/MKC70DDM17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0516   70/4/4    ROCHESTER,MINN      BEECH 56TC          CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1050                    N7890R              PX-  0  0  4  CORP/EXEC                 30, 1833 TOTAL HOURS, 14
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ROCHESTER
        DEPARTURE POINT             INTENDED DESTINATION
          AMES,IOWA                   ROCHESTER,MINN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- L MAIN GR TIRE FAILED.
```

## Aircraft

- Registration: [N7890R](https://openairdocs.org/aircraft/N7890R), registered now, S/N TG-76, built 1969 (OpenAirDocs)
- Reported make and model: BEECH 56TC
- Registry model: [Beech 56TC](https://openairdocs.org/model/beech-56tc) (registry code 1152736) (OpenAirDocs)
- Registry engine: [Lycoming TI0-541 series](https://openairdocs.org/engine/lycoming-ti0-541-series) (registry code 41536, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Rochester

## Other investigations on N7890R (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW97LA200](https://openairdocs.org/ntsb/FTW97LA200), May 23, 1997: Beech BE-56TC (N7890R), Spring, TX, substantial damage. Probable cause: The pilot's failure to perform an adequate preflight (did not remove pitot tube protective covering prior to flight) which resulted in an inaccurate cockpit airspeed indication during takeoff roll…

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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