# NTSB LAX74DUJ42: Amer Avco AA5, N9504L, Williams, AZ, February 17, 1974

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: February 17, 1974
- Place: Williams, AZ · WILLIAMS, AZ
- Location: 35.2495° N, 112.1910° W: Placed by OpenAirDocs: center of Williams, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.2495&lon=-112.1910&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 2 minor, 1 uninjured
- Status: Completed, report April 16, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186841
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX74DUJ42
- Page: https://openairdocs.org/ntsb/LAX74DUJ42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0448  74/2/17    WILLIAMS,ARIZ       AMER AVCO AA5       CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 23, 140
        TIME - 1223                    N9504L              PX-  0  1  3  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 4 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WILLIAMS
        DEPARTURE POINT             INTENDED DESTINATION
          WILLIAMS,ARIZ               PHOENIX,ARIZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
           COLLIDED WITH: TREES                                     TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - HIGH DENSITY ALTITUDE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      10000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      40
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          200                                                       13
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- PLT LEANED MIXT CTL UNTIL DROP IN RPM. CONT TKOF,UN CLIMB. ACFT HIT TREES. NR GROSS WT,D/A 7200 FT
```

## Aircraft

- Registration: [N9504L](https://openairdocs.org/deregistered/N9504L-1974-04-05), registration cancelled 1974-04-05, S/N AA5-0104, built 1972 (OpenAirDocs)
- Reported make and model: AMER AVCO AA5
- Registry model: [American AA-5](https://openairdocs.org/model/american-aa-5) (registry code 0631410) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Williams

## 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 19740217003979A](https://openairdocs.org/incident/19740217003979A), Feb 17, 1974: Grumav AA5, Williams, AZ, Destroyed. Plt leaned mixt ctl until drop in RPM. Cont tkof,un climb. Acft hit trees. Nr gross wt,d/a 7200 ft

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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