DEN71AD013

NTSB accident investigation · Douglas DC-8 · Denver, CO · September 21, 1970

Accident · Serious injuriesClosed
Date
September 21, 1970
Place
Denver, CO · DENVER, CO
Injuries
2 serious, 6 minor, 111 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N8022UDouglas DC-8
Status
Completed · report January 20, 1971
Report
Brief approved by the director
Case key
152440

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
----------------------------------------------------------------------------------------------------------------------------
1-0034  70/9/21  NR.DENVER,COLO        DOUGLAS DC-8        CR-  0  1  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1921                    N8022U              PX-  0  1110                            48, 17501 TOTAL HOURS,
                                       DAMAGE-MINOR        OT-  0  0  0                            1134 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN FRANCISCO,CALIF        DENVER,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- FLEW INTO ISOLATED CUMULUS. WASNT DEPICTED BY ACFT OR GRND RADAR.

Aircraft

Registration
N8022U
Reported as
Douglas DC-8
Category
Airplane
Engine
turbo jet
Damage
Minor damage

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 N8022U · 1

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