# NTSB CHI76DEA09: Amer Avco AA1-A, N9288L, Anderson, IN, September 20, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 20, 1975
- Place: Anderson, IN · ANDERSON, IN
- Location: 40.1053° N, 85.6803° W: Placed by OpenAirDocs: center of Anderson, IN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.1053&lon=-85.6803&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 21, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151239
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI76DEA09
- Page: https://openairdocs.org/ntsb/CHI76DEA09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3099  75/9/20    ANDERSON,IN         AMER AVCO AA1-A     CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 25, 33 TOTAL
        TIME - 1357                    N9288L              PX-  0  0  0  CHECK                     HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ANDERSON
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          CINCINNATI,OH               RETURN                       ANDERSON,IN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: DITCHES                                   TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE SUPERVISION OF FLIGHT
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  3000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT QUARTERING HEAD WIND 293-337 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          240                                                       14
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WIND GUSTING 30K.
```

## Aircraft

- Registration: [N9288L](https://openairdocs.org/deregistered/N9288L-2023-10-04), registration cancelled 2023-10-04, S/N AA1A-0188, built 1971 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1-A
- Registry model: [American AA-1A](https://openairdocs.org/model/american-aa-1a) (registry code 0630710) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Anderson

## 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 19750920033599A](https://openairdocs.org/incident/19750920033599A), Sep 20, 1975: Grumav AA1A, Anderson, IN, Substantial damage. Wind gusting 30K.

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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