# NTSB CHI72AC028: Piper PA-28, N9935W, Adolphus, KY, September 25, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 25, 1971
- Place: Adolphus, KY · ADOLPHUS, KY
- Location: 36.6517° N, 86.2614° W: Placed by OpenAirDocs: center of Adolphus, KY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.6517&lon=-86.2614&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report July 31, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164086
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72AC028
- Page: https://openairdocs.org/ntsb/CHI72AC028

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4306  71/9/25    ADOLPHUS,KY         PIPER PA-28         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 30, 153
        TIME - 2000                    N9935W              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CHATTANOOGA,TENN            BOWLING GREEN,KY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - THUNDERSTORM ACTIVITY
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        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)                                     THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          UNKNOWN/NOT REPORTED                                      77
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          250                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- 1HR NIGHT FLT RECORDED.CONT FLT INTO HEAVY RAIN AND TURBC ASSOCIATED WITH TSTM ACTIVITY.
```

## Aircraft

- Registration: [N9935W](https://openairdocs.org/deregistered/N9935W-1973-06-27), registration cancelled 1973-06-27, S/N 28-23479, built 1967 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-140](https://openairdocs.org/model/piper-pa-28-140) (registry code 7102802) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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