CHI68A0004

NTSB accident investigation · Brantly B-2 · Bethalto, IL · July 2, 1967

Accident · No injuriesClosed
Date
July 2, 1967
Place
Bethalto, IL · BETHALTO, IL
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N1120KBrantly B-2
Status
Completed · report February 12, 1968
Report
Brief approved by the director
Case key
115952

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0954   67/7/2    BETHALTO,ILL        BRANTLY B-2         CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1428                    N1120K              PX-  0  0  1  MAPPING/PHOTO             32, 11500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            350 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: HOVERING
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- BREAK UP OF CARBON DEPOSITS/TEMPORARY LODGEMENT ON VALVE SEATS-IMPROPER SEATING.ACFT SKID EQUIPPED

Aircraft

Registration
N1120K
Reported as
Brantly B-2
Category
Helicopter
Engine
reciprocating
Damage
Substantial damage