# NTSB OAK75FVG15: Cessna 320B, N9811L, Sacramento, CA, August 17, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 17, 1974
- Place: Sacramento, CA · SACRAMENTO, CA
- Location: 38.5816° N, 121.4944° W: Placed by OpenAirDocs: center of Sacramento, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.5816&lon=-121.4944&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report October 9, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 136892
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK75FVG15
- Page: https://openairdocs.org/ntsb/OAK75FVG15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2715  74/8/17    SACRAMENTO,CALIF    CESSNA 320B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 51, 959
        TIME - 1000                    N9811L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 865 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SACRAMENTO EXEC
        DEPARTURE POINT             INTENDED DESTINATION
          SALT LAKE CITY,UT           SACRAMENTO,CALIF
        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: EMERGENCY/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
        REMARKS- L UPLOCK TORQUE TUBE ASSY SUPPORT STUD FAILED. CESSNA SVC LTR 67-22 NCW.
```

## Aircraft

- Registration: [N9811L](https://openairdocs.org/deregistered/N9811L-1994-10-04), registration cancelled 1994-10-04, S/N 320B0011 (OpenAirDocs)
- Reported make and model: CESSNA 320B
- Registry model: [Cessna 320B](https://openairdocs.org/model/cessna-320b) (registry code 2074508) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sacramento Exec

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740817030829A](https://openairdocs.org/incident/19740817030829A), Aug 17, 1974: Cessna 320B, Sacramento, CA, Substantial damage. L uplock torque tube assy support stud failed. Cessna svc ltr 67-22 ncw.

## Other investigations on N9811L (1)

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.

- [NTSB SEA92LA214](https://openairdocs.org/ntsb/SEA92LA214), Sep 24, 1992: Cessna 320B (N9811L), Lowell, ID, destroyed. Probable cause: RAM INDUCTION AIR STARVATION OF BOTH ENGINES AND INABILITY OF THE PILOT IN COMMAND TO CLEAR TREES DURING THE FORCED LANDING. FACTORS CONTRIBUTING TO THE ACCIDENT WERE LOW CEILINGS AND TREES.

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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