# NTSB CHI72FEM36: Ryan ST-3KR, N47554, Grand Rapids, MI, October 28, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 28, 1971
- Place: Grand Rapids, MI · GRAND RAPIDS, MI
- Location: 42.9634° N, 85.6681° W: Placed by OpenAirDocs: center of Grand Rapids, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.9634&lon=-85.6681&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 14, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164652
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72FEM36
- Page: https://openairdocs.org/ntsb/CHI72FEM36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4406  71/10/28   GRAND RAPIDS,MICH   RYAN ST-3KR         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1057                    N47554              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 56, 21750 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 10 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - KENT COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          JACKSON,MICH                GRAND RAPIDS,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           AIRFRAME - LANDING GEAR: TAILWHEEL ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- ENCTRD SEVERE SHIMMY,DID NOT USE BRAKES UNTIL GND LOOP ESTABD.L GR,L WING DMGD.
```

## Aircraft

- Registration: [N47554](https://openairdocs.org/deregistered/N47554-1981-03-23), registration cancelled 1981-03-23, S/N 1811 (OpenAirDocs)
- Reported make and model: RYAN ST-3KR
- Registry model: [Ryan Aeronautical ST3KR](https://openairdocs.org/model/ryan-aeronautical-st3kr) (registry code 7830502) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Kent County

## Other investigations on N47554 (1)

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 MIA72AM137](https://openairdocs.org/ntsb/MIA72AM137), Jun 17, 1972: Ryan PT-22 (N47554), Arlington, TN, destroyed, 1 fatal

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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