# NTSB MKC7KDER79: Cessna 170A, N1792D, Duluth, MN, June 28, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 28, 1975
- Place: Duluth, MN · DULUTH, MN
- Location: 46.7833° N, 92.1066° W: Placed by OpenAirDocs: center of Duluth, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7833&lon=-92.1066&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 17, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150076
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC7KDER79
- Page: https://openairdocs.org/ntsb/MKC7KDER79

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2546  75/6/28    DULUTH,MN           CESSNA 170A         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 41, 46 TOTAL
        TIME - 1104                    N1792D              PX-  0  0  0  SOLO                      HOURS, 34 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - DULUTH INTL
        DEPARTURE POINT             INTENDED DESTINATION
          MOOSE LAKE,MN               DULUTH,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      25000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          BLOWING SAND                                              90
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           10                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- ACFT TURNED ABT 80 DEG,GR COLLAPSED.L QUARTERING TAILWIND 10K.
```

## Aircraft

- Registration: [N1792D](https://openairdocs.org/deregistered/N1792D-2012-07-30), registration cancelled 2012-07-30, S/N 20224, built 1951 (OpenAirDocs)
- Reported make and model: CESSNA 170A
- Registry model: [Cessna 170A](https://openairdocs.org/model/cessna-170a) (registry code 2072304) (OpenAirDocs)
- Registry engine: [Continental C145 series](https://openairdocs.org/engine/continental-c145-series) (registry code 17012, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Duluth Intl

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750628022689A](https://openairdocs.org/incident/19750628022689A), Jun 28, 1975: Cessna 170A, Duluth, MN, Substantial damage. Acft turned abt 80 deg,gr collapsed.l quartering tailwind 10K.

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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