SEA71FDG05

NTSB accident investigation · Piper PA-23 · Helena, MT · July 16, 1970

Accident · No injuriesClosed
Date
July 16, 1970
Place
Helena, MT · HELENA, MT
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N1279PPiper PA-23
Status
Completed · report May 19, 1971
Report
Brief approved by the director
Case key
108954

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
----------------------------------------------------------------------------------------------------------------------------
3-3036  70/7/16    HELENA,MONT         PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 1200
        TIME - 1445                    N1279P              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 100 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HELENA
        DEPARTURE POINT             INTENDED DESTINATION
          HELENA,MONT                 SEATTLE,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
           WEATHER - HIGH DENSITY ALTITUDE
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    16000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     HEAD WIND 338-022 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           91                                                       60
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           12                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- PLT USED 15 DEG FLAPS,DID NOT USE FULL THROTTLE. DENSITY ALT ABOUT 6300 FT. SETTLED WITH GR UP.

Aircraft

Registration
N1279P
Reported as
Piper PA-23
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Helena

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.