# NTSB MKC67D0093: Champion 7EC, N7401B, Grand Rapids, MN, July 15, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 15, 1967
- Place: Grand Rapids, MN · GRAND RAPIDS, MN
- Location: 47.2385° N, 93.5326° W: Placed by OpenAirDocs: center of Grand Rapids, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.2385&lon=-93.5326&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 17, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 115573
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67D0093
- Page: https://openairdocs.org/ntsb/MKC67D0093-115573

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2467  67/7/15    GRAND RAPIDS,MINN   CHAMPION 7EC        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1030                    N7401B              PX-  0  0  0  DUAL                      AGE 22, 850 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            65 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SUGAR LODGE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    TAXI: OTHER
        PROBABLE CAUSE(S)
           DUAL STUDENT - MISJUDGED CLEARANCE
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIDDEN HAZARD
        REMARKS- STEP TAXI PRACTICE. FLOAT STRUCK ROCK HIDDEN BY TALL GRASS NEXT TO SHORELINE.
```

## Aircraft

- Registration: [N7401B](https://openairdocs.org/aircraft/N7401B), registered now, S/N 7EC-431, built 1956 (OpenAirDocs)
- Reported make and model: CHAMPION 7EC
- Registry model: [Champion 7EC](https://openairdocs.org/model/champion-7ec) (registry code 21101NM) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sugar Lodge

## Other investigations on N7401B (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 CHI85LA144](https://openairdocs.org/ntsb/CHI85LA144), Mar 18, 1985: Champion 7EC (N7401B), Lake Elmo, MN, substantial damage

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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