# NTSB LAX71AL048: Piper PA-22, N4801A, Summit, CA, February 2, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: February 2, 1971
- Place: Summit, CA · SUMMIT, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report October 26, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159434
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71AL048
- Page: https://openairdocs.org/ntsb/LAX71AL048

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0173   71/2/2  NR.SUMMIT,CALIF       PIPER PA-22         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 32, 400
        TIME - 1456                    N4801A              PX-  2  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          POMONA,CALIF               UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - FOG
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY RADIO
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  100
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/4 MILE OR LESS                                         DRIZZLE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       40
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           50                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- HIT HI DIRT BANK OF PWR LINE ACCESS ROAD IN COND OF LOW CLG AND VIS.
```

## Aircraft

- Registration: [N4801A](https://openairdocs.org/deregistered/N4801A-1971-04-01), registration cancelled 1971-04-01, S/N 22-3953 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-150](https://openairdocs.org/model/piper-pa-22-150) (registry code 7102210) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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