# NTSB LAX79DUG41: Cessna 172M, N20092, Giant Rock, CA, May 13, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 13, 1979
- Place: Giant Rock, CA · GIANT ROCK, CA
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report June 22, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 136084
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX79DUG41
- Page: https://openairdocs.org/ntsb/LAX79DUG41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0955  79/5/13    GIANT ROCK,CA       CESSNA 172M         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1650                    N20092              PX-  0  0  1  DUAL                      AGE 42, 704 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            380 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          FULLERTON,CA                FULLERTON,CA                 GIANT ROCK,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: DIRT BANK                                 LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- WND GUSTING 20KTS.
```

## Aircraft

- Registration: [N20092](https://openairdocs.org/deregistered/N20092-2012-08-22), registration cancelled 2012-08-22, S/N 17261002, built 1972 (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19790513010109A](https://openairdocs.org/incident/19790513010109A), May 13, 1979: Cessna 172M, Giant Rock, CA, Substantial damage. Instructor was demostrating emergency landing to student. Settled to the ground,attempted go around,flipped over.

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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