ANC74AA044

NTSB accident investigation · Piper PA-18 · Anchorage, AK · November 12, 1973

Accident · Serious injuriesClosed
Date
November 12, 1973
Place
Anchorage, AK · ANCHORAGE, AK
Injuries
2 serious, 3 minor
Phase of flight
Initial climb
Aircraft
N3872ZPiper PA-18N6936KPiper PA-20
Status
Completed · report March 15, 1974
Report
Brief approved by the director
FAA report
19731112040661A
Case key
187853

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
----------------------------------------------------------------------------------------------------------------------------
3-3939  73/11/12   ANCHORAGE,ALAS      PIPER PA-20         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 45, 3000
        TIME - 0833                    N6936K              PX-  0  1  1  HUNTING                   TOTAL HOURS, 83 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  1  1                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LK HOOD SEADROME
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,ALAS              SKWENTNA,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  CONVERGENCE ANGLE-DEGREES -  90
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- SEADROME CLOSED DUE STATE OF FRZN SEALANE.FLT OPS AT PLTS OWN RISK,TWR ADVISORY ONLY.TKOF TO EAST.
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3939  73/11/12   ANCHORAGE,ALAS      PIPER PA-18         CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 34, 1800
        TIME - 0833                    N3872Z              PX-  0  1  0  HUNTING                   TOTAL HOURS, 275 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  1  2                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LK HOOD SEADROME
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,ALAS              KENAI PENINSULA,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - YES                                  CONVERGENCE ANGLE-DEGREES -  90
          EVASIVE ACTION TAKEN - YES                               ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- RADIOS NOT WARMED UP,NO 2-WAY COMM WITH TWR.TKOF INTO CONTROL ZONE.

Aircraft · 2

Registration
N3872Z
Reported as
Piper PA-18
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Lk Hood Seadrome

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.

Registration
N6936K
Reported as
Piper PA-20
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Lk Hood Seadrome

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.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N3872Z · 5

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