ANC72AA004

NTSB accident investigation · Helio Acft H-295 · Sitka, AK · August 21, 1971

Accident · FatalClosed
Date
August 21, 1971
Place
Sitka, AK · SITKA, AK
Injuries
3 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N6348VHelio Acft H-295
Status
Completed · report February 14, 1972
Report
Brief approved by the director
Safety recommendations
Yes
Case key
79862

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
----------------------------------------------------------------------------------------------------------------------------
3-2106  71/8/21  NR.SITKA,ALAS         HELIO ACFT H-295    CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 0820                    N6348V              PX-  2  0  0  CORP/EXEC                 AGE 47, 20300 TOTAL
                                       DAMAGE-DESTROYED    OT-  0  0  0                            HOURS, 2156 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         SITKA,ALAS                   WRANGELL,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           AIRFRAME - WINGS: WING ATTACHMENT FITTINGS,BOLTS
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      2500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     135
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- FATIGUE FRACTURE OCCRD IN L WING LWR ATTACHMENT FITTING P/N 391-030-4072.CVRG AD ISSUED 10/5/71.

Aircraft

Registration
N6348V
Reported as
Helio Acft H-295
Category
Airplane
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.