# NTSB OAK73DVW04: Cessna 421, N4048L, Bishop, CA, July 12, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 12, 1972
- Place: Bishop, CA · BISHOP, CA
- Location: 37.3672° N, 118.3989° W: Placed by OpenAirDocs: center of Bishop, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3672&lon=-118.3989&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report February 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 117575
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73DVW04
- Page: https://openairdocs.org/ntsb/OAK73DVW04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2342  72/7/12    BISHOP,CALIF        CESSNA 421          CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1850                    N4048L              PX-  0  0  4  CORP/EXEC                 54, 5000 TOTAL HOURS, 104
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BISHOP
        DEPARTURE POINT             INTENDED DESTINATION
          BISHOP,CALIF                SANTA ANA,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: DITCHES                                   TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
```

## Aircraft

- Registration: [N4048L](https://openairdocs.org/deregistered/N4048L-1992-12-22), registration cancelled 1992-12-22, S/N 4210048 (OpenAirDocs)
- Reported make and model: CESSNA 421
- Registry model: [Cessna 421](https://openairdocs.org/model/cessna-421) (registry code 2076010) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Bishop

## Other investigations on N4048L (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 MKC77FCD26](https://openairdocs.org/ntsb/MKC77FCD26), Jul 1, 1977: Cessna 421 (N4048L), Cedar Rapids, IA, 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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