OAK74AP008

NTSB accident investigation · Cessna 170B · Mammoth Lks, CA · August 26, 1973

Accident · FatalClosed
Date
August 26, 1973
Place
Mammoth Lks, CA · MAMMOTH LKS, CA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N8015ACessna 170B
Status
Completed · report August 27, 1974
Report
Brief approved by the director
FAA report
19730826043009A
Case key
188966

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
----------------------------------------------------------------------------------------------------------------------------
3-2826  73/8/26    MAMMOTH LKS,CALIF   CESSNA 170B         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 42, 496
        TIME - 1200                    N8015A              PX-  1  0  0  OTHER                     TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN JOSE,CALIF              BISHOP,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - THUNDERSTORM ACTIVITY
           WEATHER - LOW CEILING
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               0
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     IFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- TSTMS,LOW CEILINGS,MTN TOPS OBSCURED RTE OF FLT.FLEW INTO MTN.PLT TIME TO 7/1/72.RCVRD 7/21/74.

Aircraft

Registration
N8015A
Reported as
Cessna 170B
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.

FAA reports on this event · 1

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