SEA71FWD02

NTSB accident investigation · Brantly B-2 · Bellevue, WA · July 4, 1970

Accident · No injuriesClosed
Date
July 4, 1970
Place
Bellevue, WA · BELLEVUE, WA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N5963XBrantly B-2
Status
Completed · report June 16, 1971
Report
Brief approved by the director
Case key
121373

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
----------------------------------------------------------------------------------------------------------------------------
3-3421   70/7/4    BELLEVUE,WASH       BRANTLY B-2         CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1430                    N5963X              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  54, 8000 TOTAL HOURS, 400
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BELLEVUE,WASH               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           DITCHING                                                 LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        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- SANK IN LAKE SAMMAMISH IN ABOUT 20FT OF WATER.

Aircraft

Registration
N5963X
Reported as
Brantly B-2
Category
Helicopter
Engine
reciprocating
Damage
Substantial 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.

Other investigations on N5963X · 1

Matched to the same aircraft by N-number and date.