# NTSB CHI78DEP02: Semco Chlngr, N14550, Mauston, WI, October 16, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: October 16, 1977
- Place: Mauston, WI · MAUSTON, WI
- Location: 43.8000° N, 90.0796° W: Placed by OpenAirDocs: center of Mauston, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8000&lon=-90.0796&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 2 uninjured
- Status: Completed, report December 27, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 144518
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78DEP02
- Page: https://openairdocs.org/ntsb/CHI78DEP02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3464  77/10/16   MAUSTON,WI          SEMCO CHLNGR        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 38, 9685
        TIME - 0945                    N14550              PX-  0  1  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-NONE         OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MAUSTON,WI                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
        REMARKS- PAX DID NOT ASSUME BRIEFED POSITION FOR LANDING.PIC DID NOT CORRECT PAX.
```

## Aircraft

- Registration: [N14550](https://openairdocs.org/deregistered/N14550-1988-08-11), registration cancelled 1988-08-11, S/N SEM144 (OpenAirDocs)
- Reported make and model: SEMCO CHLNGR
- Registry model: [Semco Balloon CHALLENGER](https://openairdocs.org/model/semco-balloon-challenger) (registry code 8070802) (OpenAirDocs)
- Category: Balloon
- Engines: none
- Damage: No damage

## 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 19771016035809A](https://openairdocs.org/incident/19771016035809A), Oct 16, 1977: Amtr 80703, Mauston, WI. Pax did not assume briefed position for landing.PIC did not correct pax.

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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