# NTSB MKC74DER24: Piper PA-31, N7486L, Grand Marais, MN, November 21, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 21, 1973
- Place: Grand Marais, MN · GRAND MARAIS, MN
- Location: 47.7586° N, 90.3443° W: Placed by OpenAirDocs: center of Grand Marais, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.7586&lon=-90.3443&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 11, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187813
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74DER24
- Page: https://openairdocs.org/ntsb/MKC74DER24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4027  73/11/21 NR.GRAND MARAIS,MINN  PIPER PA-31         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1305                    N7486L              PX-  0  0  0  AIR TAXI-PASSG            AGE 37, 1366 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            23 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          EDEN PRAIRIE,MINN          GRAND MARAIS,MINN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: INITIAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - TRAFFIC CONTROL PERSONNEL: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - ALTIMETER SETTING-INCORRECT
           PERSONNEL - AIRWAYS FACILITIES PERSONNEL: OTHER
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - FOG
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  0
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- ATC GAVE ALT SETTING .50 IN HI. MDA ON APCH PLATE LISTED 240 FT LOW. HIT TREES,CONT FLT & LND OK.
```

## Aircraft

- Registration: N7486L (not matched to a registry record)
- Reported make and model: PIPER PA-31
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Devils Track

## 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 19731121040349A](https://openairdocs.org/incident/19731121040349A), Nov 21, 1973: Piper PA31, Grand Marais, MN, Substantial damage. ATC gave alt setting .50 in hi. Mda on apch plate listed 240 ft low. Hit trees,cont flt & lnd ok.

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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