# NTSB CHI75DEM22: Aero Comdr 680, N6891S, Big Rapids, MI, January 6, 1975

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 6, 1975
- Place: Big Rapids, MI · BIG RAPIDS, MI
- Location: 43.6997° N, 85.4813° W: Placed by OpenAirDocs: center of Big Rapids, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.6997&lon=-85.4813&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 22, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 147010
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI75DEM22
- Page: https://openairdocs.org/ntsb/CHI75DEM22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0032   75/1/6    BIG RAPIDS,MI       AERO COMDR 680      CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 2050                    N6891S              PX-  0  0  0  AIR TAXI-CARGO            UNK/NR, 2923 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            62 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BURLINGTON,WI               EVART,MI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
        FACTOR(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           WEATHER - RAIN
           WEATHER - FOG
           WEATHER - LOW CEILING
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- PLT RPTD DSCNT TO MDA LVLD OFF HEARD LOUD BANG.ALT,SYS AND FACILITY CKD OK.ACFT RPTD CIRCLING.
```

## Aircraft

- Registration: [N6891S](https://openairdocs.org/deregistered/N6891S-2015-05-19), registration cancelled 2015-05-19, S/N 680-417-92, built 1956 (OpenAirDocs)
- Reported make and model: AERO COMDR 680
- Registry model: [Aero Commander 680](https://openairdocs.org/model/aero-commander-680) (registry code 0141602) (OpenAirDocs)
- Registry engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Roben-Hood

## 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 19750106000719A](https://openairdocs.org/incident/19750106000719A), Jan 6, 1975: Rkwell 680, Big Rapids, MI, Substantial damage. Plt rptd dscnt to mda lvld off heard loud bang. Alt,sys and facility ckd ok. Acft rptd circling.

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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