# NTSB CHI69D0294: Piper PA-22, N4990Z, Platteville, WI, August 9, 1968

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 9, 1968
- 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: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 27, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108498
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69D0294
- Page: https://openairdocs.org/ntsb/CHI69D0294

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3370   68/8/9    PLATTEVILLE,WIS     PIPER PA-22         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 30, 13 TOTAL
        TIME - 0955                    N4990Z              PX-  0  0  0  SOLO                      HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PLATTEVILLE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- LANDED IN RAVINE. FIRST SOLO FLT.
```

## Aircraft

- Registration: [N4990Z](https://openairdocs.org/aircraft/N4990Z), registered now, S/N 22-8598, built 1961 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (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: Platteville

## Other investigations on N4990Z (2)

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.

- [NTSB CHI71DDJ37](https://openairdocs.org/ntsb/CHI71DDJ37), Jan 20, 1971: Piper PA-22 (N4990Z), Platteville, WI, substantial damage
- [NTSB CHI68D0580](https://openairdocs.org/ntsb/CHI68D0580), Feb 3, 1968: Piper PA-22 (N4990Z), 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.

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