# NTSB MKC68F0549: Piper PA-23, N4040P, Des Moines, IA, May 10, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 10, 1968
- Place: Des Moines, IA · DES MOINES, IA
- Location: 41.6005° N, 93.6091° W: Placed by OpenAirDocs: center of Des Moines, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6005&lon=-93.6091&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 14, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 110860
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC68F0549
- Page: https://openairdocs.org/ntsb/MKC68F0549

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1218  68/5/10    DES MOINES,IOWA     PIPER PA-23         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0618                    N4040P              PX-  0  0  0  DUAL                      AGE 28, 922 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            34 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DES MOINES
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - LANDING GEAR: NOSEWHEEL ASSEMBLIES
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
        REMARKS- UPPER DRAG LINK OVER STRESSED BY DIRT BETWEEN DRAG LINKS,RESTRICTED MOVEMENT TO PROPER POSITION.
```

## Aircraft

- Registration: N4040P (not matched to a registry record)
- Reported make and model: PIPER PA-23
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Des Moines

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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