MKC73DCD12

NTSB accident investigation · Brantly B-2B · Marshalltown, IA · August 6, 1972

Accident · No injuriesClosed
Date
August 6, 1972
Place
Marshalltown, IA · MARSHALLTOWN, IA
Injuries
2 uninjured
Damage
Destroyed
Phase of flight
Uncontrolled descent
Aircraft
N2161UBrantly B-2B
Status
Completed · report April 17, 1973
Report
Brief approved by the director
Case key
168467

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

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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
----------------------------------------------------------------------------------------------------------------------------
3-3180   72/8/6  NR.MARSHALLTOWN,IOWA  BRANTLY B-2B        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 252
        TIME - 1630                    N2161U              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 139 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         UNKNOWN/NOT REPORTED        MARSHALLTOWN,IOWA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      80
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           30                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE

Aircraft

Registration
N2161U
Reported as
Brantly B-2B
Category
Helicopter
Engine
reciprocating
Damage
Destroyed

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 N2161U · 3

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