# NTSB OAK69D0145: Cessna 150, N4254U, Palo Alto, CA, October 1, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 1, 1968
- Place: Palo Alto, CA · PALO ALTO, CA
- Location: 37.3965° N, 122.1431° W: Placed by OpenAirDocs: center of Palo Alto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3965&lon=-122.1431&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 8, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108339
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK69D0145
- Page: https://openairdocs.org/ntsb/OAK69D0145

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3243   68/10/1   PALO ALTO,CALIF     CESSNA 150          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0640                    N4254U              PX-  0  0  0  DUAL                      AGE 50, 3662 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            700 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - PALO ALTO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: GO-AROUND
           COLLIDED WITH: OBJECT                                    LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      2000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- SIMULATED FORCED LNDG ON INITIAL CLIMBOUT. ENG FAILED ON RECOVERY. LANDED IN CREEK BED.
```

## Aircraft

- Registration: [N4254U](https://openairdocs.org/deregistered/N4254U-1977-08-26), registration cancelled 1977-08-26, S/N 15060254 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150D](https://openairdocs.org/model/cessna-150d) (registry code 2071810) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Palo Alto

## Other investigations on N4254U (2)

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 OAK77FVA37](https://openairdocs.org/ntsb/OAK77FVA37), Jun 19, 1977: Cessna 150 (N4254U), Los Banos, CA, destroyed
- [NTSB OAK71DVM30](https://openairdocs.org/ntsb/OAK71DVM30), Dec 5, 1970: Cessna 150 (N4254U), Palo Alto, 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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