IAD74II054

NTSB incident investigation · Grumman G-159 · Charlestown, SC · April 8, 1974

Incident · No injuriesClosed
Date
April 8, 1974
Place
Charlestown, SC · CHARLESTOWN, SC
Injuries
3 uninjured
Damage
Minor damage
Phase of flight
Uncontrolled descent
Aircraft
N8EGrumman G-159
Status
Completed · report May 30, 1974
Report
Brief approved by the director
Case key
173441

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

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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
----------------------------------------------------------------------------------------------------------------------------
5-0020   74/4/8  NR.CHARLESTOWN,SC     GRUMMAN G-159       CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1410                    N8E                 PX-  0  0  1  CTR PASSG-D               UNK/NR, 15910 TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, 1481 IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        DEPARTURE POINT             INTENDED DESTINATION
          HOMESTEAD,FLA               WASHINGTON,DC
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNCONTROLLED ALTITUDE DEVIATIONS                         IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           SYSTEMS - ELECTRICAL SYSTEM: SWITCHES
           SYSTEMS - ELECTRICAL SYSTEM: INVERTER
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - FLIGHT AND NAVIGATION INSTRUMENTS: ATTITUDE GYRO
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- RADAR INOP SWITCHED FM B INVERTER TO A.ROCKER TYPE SWITCH NOT IN A PSN.FLT DIRECTORS TUMBLED.

Aircraft

Registration
N8E
Reported as
Grumman G-159
Category
Airplane
Engine
turbo prop
Damage
Minor damage

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.