# NTSB CHI74AC082: Amer Avco AA1-A, N9229L, Rattlesnk Is, OH, April 4, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 4, 1974
- Place: Rattlesnk Is, OH · RATTLESNK IS, OH
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 minor
- Status: Completed, report July 2, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 124384
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74AC082
- Page: https://openairdocs.org/ntsb/CHI74AC082

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1182   74/4/4    RATTLESNK IS,OHIO   AMER AVCO AA1-A     CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 18, 127
        TIME - 0905                    N9229L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 76 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - RATTLESNAKE IS
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          DETROIT,MICH                RETURN                       RATTLESNK IS,OHIO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - PREVIOUS DAMAGE
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           SYSTEMS - OTHER SYSTEMS: PITOT SYSTEM
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- DMGD PROP,PITOT TUBE & L WING PREVIOUS LDG.STANDING WATER ON 1500FT SOD RWY.CRASHED INTO LAKE.
```

## Aircraft

- Registration: [N9229L](https://openairdocs.org/deregistered/N9229L-2018-03-23), registration cancelled 2018-03-23, S/N AA1A-0129, 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: Rattlesnake Is

## 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 19740404020539A](https://openairdocs.org/incident/19740404020539A), Apr 4, 1974: Grumav AA1A, Rattlesnk Is, OH, Substantial damage. Dmgd prop,pitot tube & l wing previous ldg. Standing water on 1500FT sod rwy. Crashed into lake.

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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