# NTSB CHI69F0058: Brantly B-2B, N2267U, Grand Ledge, MI, June 23, 1968

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 23, 1968
- Place: Grand Ledge, MI · GRAND LEDGE, MI
- Location: 42.7529° N, 84.7449° W: Placed by OpenAirDocs: center of Grand Ledge, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.7529&lon=-84.7449&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report September 4, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109925
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69F0058
- Page: https://openairdocs.org/ntsb/CHI69F0058-109925

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2094  68/6/23    GRAND LEDGE,MICH    BRANTLY B-2B        CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 62, 231
        TIME - 0605                    N2267U              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 130 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ABRAMS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - ROTOR ASSEMBLIES: MAIN ROTOR BLADES
           ROTORCRAFT - ROTOR ASSEMBLIES: BEARINGS
           MISCELLANEOUS ACTS,CONDITIONS - VIBRATION,EXCESSIVE
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PROP/ENGINE VIBRATION
        REMARKS- BEARINGS IN CLEVIS ASSY FAILED DUE TO BRINELLING.
```

## Aircraft

- Registration: [N2267U](https://openairdocs.org/deregistered/N2267U-1970-09-04), registration cancelled 1970-09-04, S/N 429 (OpenAirDocs)
- Reported make and model: BRANTLY B-2B
- Registry model: [Brantly B-2B](https://openairdocs.org/model/brantly-b-2b) (registry code 1440506) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed
- Airport: Abrams

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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