# NTSB IAD70FIG06: Cessna 120, N76478, Gaithersburg, MD, March 2, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 2, 1970
- Place: Gaithersburg, MD · GAITHERSBURG, MD
- Location: 39.1486° N, 77.1951° W: Placed by OpenAirDocs: center of Gaithersburg, MD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1486&lon=-77.1951&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 20, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 140562
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD70FIG06
- Page: https://openairdocs.org/ntsb/IAD70FIG06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0467   70/3/2    GAITHERSBURG,MD     CESSNA 120          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 49, 111
        TIME - 1300                    N76478              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 23 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MONTGOMERY COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          MANASSAS,VA                 GAITHERSBURG,MD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: MAIN GEAR-SHOCK ABSORBING ASSY,STRUTS,ATTACHMENTS,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        REMARKS- R LDG GR SUPPORT BRACKET FAILED.
```

## Aircraft

- Registration: N76478 (not matched to a registry record)
- Reported make and model: CESSNA 120
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Montgomery County

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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