# NTSB CHI75DEP47: Maule M4220C, N9874M, Waupaca, WI, March 14, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 14, 1975
- Place: Waupaca, WI · WAUPACA, WI
- Location: 44.3500° N, 89.0700° W: Placed by OpenAirDocs: center of Waupaca, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.3500&lon=-89.0700&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 18, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 147869
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75DEP47
- Page: https://openairdocs.org/ntsb/CHI75DEP47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0463  75/3/14    WAUPACA,WI          MAULE M4220C        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1302                    N9874M              PX-  0  0  0  DUAL                      AGE 44, 2440 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            17 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WAUPACA MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          WAUPACA,WI                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: RUN
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW WINDROWS
```

## Aircraft

- Registration: [N9874M](https://openairdocs.org/deregistered/N9874M-1978-11-17), registration cancelled 1978-11-17, S/N 2004C (OpenAirDocs)
- Reported make and model: MAULE M4220C
- Registry model: [Maule M-4-220C](https://openairdocs.org/model/maule-m-4-220c) (registry code 5460114) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Waupaca 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 19750314005049A](https://openairdocs.org/incident/19750314005049A), Mar 14, 1975: Maule M4220C, Waupaca, 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.