# NTSB MKC66F0332: Aero Cmdr 520, N5574V, Minneapolis, MN, November 8, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 8, 1965
- Place: Minneapolis, MN · MINNEAPOLIS, MN
- Location: 44.9800° N, 93.2638° W: Placed by OpenAirDocs: center of Minneapolis, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9800&lon=-93.2638&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report March 25, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174379
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC66F0332
- Page: https://openairdocs.org/ntsb/MKC66F0332

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3882   65/11/8   MINNEAPOLIS MINN    AERO CMDR 520       CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1400                    N5574V              PX-  0  0  2  CORP/EXEC                 51, 9500 TOTAL HOURS, 700
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WOLD-CHAMBERLAIN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - LANDED ON FOAMED RUNWAY
        REMARKS- DOWN LOCK AND RETRACT ASSY P/N 4730005 FAILED
```

## Aircraft

- Registration: [N5574V](https://openairdocs.org/deregistered/N5574V-2013-10-23), registration cancelled 2013-10-23, S/N 37, built 1952 (OpenAirDocs)
- Reported make and model: AERO CMDR 520
- Registry model: [Aero Commander 520](https://openairdocs.org/model/aero-commander-520) (registry code 0141202) (OpenAirDocs)
- Registry engine: [Lycoming GO-435C&D series](https://openairdocs.org/engine/lycoming-go-435c-d-series) (registry code 41521, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Wold-Chamberlain

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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