# NTSB MKC70D0315: Cessna 310N, N4115Q, Monticello, IA, December 31, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 31, 1969
- Place: Monticello, IA · MONTICELLO, IA
- Location: 42.2304° N, 91.1859° W: Placed by OpenAirDocs: center of Monticello, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2304&lon=-91.1859&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 2, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 145957
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC70D0315
- Page: https://openairdocs.org/ntsb/MKC70D0315

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4599  69/12/31   MONTICELLO,IOWA     CESSNA 310N         CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1630                    N4115Q              PX-  0  0  0  BUSINESS                  32, 2502 TOTAL HOURS, 700
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MONTICELLO
        DEPARTURE POINT             INTENDED DESTINATION
          MONTICELLO,IOWA             MOLINE,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           AIRFRAME - FUSELAGE: WHEEL WELL DOORS
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- NOSE GR DOORS NOT RECONNECTED UPON COMPLETION OF WORK,NOSE GR JAMMED BREAKING RETRACT ARM.
```

## Aircraft

- Registration: N4115Q (not matched to a registry record)
- Reported make and model: CESSNA 310N
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Monticello

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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