# NTSB CHI79DEP01: Piper PA-23, N555DG, Platteville, WI, October 2, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 2, 1978
- Place: Platteville, WI · PLATTEVILLE, WI
- Location: 42.7279° N, 90.4681° W: Placed by OpenAirDocs: center of Platteville, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.7279&lon=-90.4681&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 16, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 139136
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79DEP01
- Page: https://openairdocs.org/ntsb/CHI79DEP01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3488   78/10/2 NR.PLATTEVILLE,WI     PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 42, 6053
        TIME - 0805                    N555DG              PX-  0  0  0  CORP/EXEC                 TOTAL HOURS, 2355 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - PLATTEVILLE
        DEPARTURE POINT             INTENDED DESTINATION
          DUBUQE,IA                  PLATTEVILLE,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
```

## Aircraft

- Registration: N555DG (not matched to a registry record)
- Reported make and model: PIPER PA-23
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Platteville

## 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 19781002034579A](https://openairdocs.org/incident/19781002034579A), Oct 2, 1978: Piper PA23, Platteville, WI, Substantial damage

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
