# NTSB MIA77FLG35: Amateur ACE-E, N91706, Allendale, SC, September 2, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 2, 1977
- Place: Allendale, SC · ALLENDALE, SC
- Location: 33.0081° N, 81.3093° W: Placed by OpenAirDocs: center of Allendale, SC, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.0081&lon=-81.3093&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 30, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145552
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA77FLG35
- Page: https://openairdocs.org/ntsb/MIA77FLG35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1936   77/9/2    ALLENDALE,SC        AMATEUR ACE-E       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 35, 1600
        TIME - 1530                    N91706              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ALLENDALE,SC                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           MISCELLANEOUS ACTS,CONDITIONS - LOW COMPRESSION
        FACTOR(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           TERRAIN - WET,SOFT GROUND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- SPARK PLUGS FOULED-PISTON ERODED IN NUMBER ONE CYLINDER
```

## Aircraft

- Registration: N91706 (not matched to a registry record)
- Reported make and model: AMATEUR ACE-E
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage

## 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 19770902025249A](https://openairdocs.org/incident/19770902025249A), Sep 2, 1977: Kinner SPORTSTERK, Allendale, SC, Substantial damage. Spark plugs fouled-piston eroded in number one cylinder

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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