OAK72IP010

NTSB incident investigation · Beech 99 · Oakland, CA · September 27, 1971

Incident · No injuriesClosed
Date
September 27, 1971
Place
Oakland, CA · OAKLAND, CA
Injuries
6 uninjured
Damage
Minor damage
Phase of flight
Landing
Aircraft
N921GPBeech 99
Status
Completed · report May 18, 1972
Report
Brief approved by the director
Case key
164579

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

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
----------------------------------------------------------------------------------------------------------------------------
5-0035  71/9/27    OAKLAND,CALIF       BEECH 99            CR-  0  0  2  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1805                    N921GP              PX-  0  0  4  COMMUTER AIR CARRIER      42, 6515 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0  AIR TAXI-PASSG S-D        2089 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - OAKLAND INTL
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          ARCATA,CALIF                SAN FRANCISCO,CALIF          UKIAH,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           AIRFRAME - LANDING GEAR: EMERGENCY/EXTENSION ASSEMBLY
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - LANDED ON FOAMED RUNWAY
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- SHOP RAG LODGED BETWEEN NOSE GR FWD ACTUATING CHAIN AND IDLER SPROCKETS.JAMMED GR.

Aircraft

Registration
N921GP
Reported as
Beech 99
Category
Airplane
Engine
turbo prop
Damage
Minor damage
Airport
Oakland Intl

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.