# NTSB MKC75FER16: Zimmerman S-1C, N5191, Waseca, MN, August 18, 1974

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: August 18, 1974
- Place: Waseca, MN · WASECA, MN
- Location: 44.0815° N, 93.5040° W: Placed by OpenAirDocs: center of Waseca, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.0815&lon=-93.5040&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report November 29, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 138796
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75FER16
- Page: https://openairdocs.org/ntsb/MKC75FER16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3399  74/8/18    WASECA,MINN         ZIMMERMAN S-1C      CR-  0  1  0  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 1325                    N5191               PX-  0  0  0  AIR SHOW/RACING           40, 13200 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            100 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WASECA MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          WASECA,MINN                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        REMARKS- SPIN DEMO,LATE RECOVERY.STOPPED ROTATION,HIT GND DRG RECOVERY.
```

## Aircraft

- Registration: [N5191](https://openairdocs.org/aircraft/N5191), registered now, S/N 432, built 1968 (OpenAirDocs)
- Reported make and model: ZIMMERMAN S-1C
- Registry model: [Pitts Special S-1C](https://openairdocs.org/model/pitts-special-s-1c) (registry code 72202VU) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Waseca Muni

## 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 19740818029349A](https://openairdocs.org/incident/19740818029349A), Aug 18, 1974: Child S2PITT*, Waseca, MN, Substantial damage. Spin demo,late recovery. Stopped rotation,hit gnd drg recovery.

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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