# NTSB LAX70AL046: Grumman G-21A, N12CS, Avalon, CA, January 30, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 30, 1970
- Place: Avalon, CA · AVALON, CA
- Location: 33.3440° N, 118.3214° W: Placed by OpenAirDocs: center of Avalon, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.3440&lon=-118.3214&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor, 1 uninjured
- Status: Completed, report June 11, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 141703
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70AL046
- Page: https://openairdocs.org/ntsb/LAX70AL046

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0137  70/1/30    AVALON,CALIF        GRUMMAN G-21A       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 48, 11712
        TIME - 0825                    N12CS               PX-  0  0  3  COMMUTER AIR CARRIER      TOTAL HOURS, 1654 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - PEBBLY BEACH SPB
        DEPARTURE POINT             INTENDED DESTINATION
          LONG BEACH,CALIF            AVALON,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-DOWN LANDING IN WATER                             LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO RETRACT LANDING GEAR
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CHECKLIST-FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
```

## Aircraft

- Registration: [N12CS](https://openairdocs.org/deregistered/N12CS-2011-01-21), registration cancelled 2011-01-21, S/N 1085, built 1962 (OpenAirDocs)
- Reported make and model: GRUMMAN G-21A
- Registry model: [Grumman G-21A](https://openairdocs.org/model/grumman-g-21a) (registry code 3951204) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pebbly Beach Spb

## Other investigations on N12CS (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 LAX71AL034](https://openairdocs.org/ntsb/LAX71AL034), Dec 3, 1970: Grumman G-21A (N12CS), Lakewood, CA, substantial damage

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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