# NTSB MKC73DER20: Beech D55, N8470N, Thef Riv.Fls, MN, July 24, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 24, 1972
- Place: Thef Riv.Fls, MN · THEF RIV.FLS, MN
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 2, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167518
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73DER20
- Page: https://openairdocs.org/ntsb/MKC73DER20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2547  72/7/24    THEF RIV.FLS,MINN   BEECH D55           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 54, 7139
        TIME - 1800                    N8470N              PX-  0  0  2  CORP/EXEC                 TOTAL HOURS, 2025 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - THIEF RIVER FALLS
        DEPARTURE POINT             INTENDED DESTINATION
          BAUDETTE,MINN               THEF RIV.FLS,MINN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADVERTENTLY RETRACTED GEAR
```

## Aircraft

- Registration: [N8470N](https://openairdocs.org/deregistered/N8470N-1989-06-13), registration cancelled 1989-06-13, S/N TE574 (OpenAirDocs)
- Reported make and model: BEECH D55
- Registry model: [Beech D55](https://openairdocs.org/model/beech-d55) (registry code 1152730) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Thief River Falls

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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