SEA72IS014

NTSB incident investigation · Boeing 747 · Seattle, WA · October 9, 1971

Incident · No injuriesClosed
Date
October 9, 1971
Place
Seattle, WA · SEATTLE, WA
Injuries
110 uninjured
Damage
Minor damage
Phase of flight
Approach
Aircraft
N601USBoeing 747
Status
Completed · report August 18, 1972
Report
Brief approved by the director
Case key
164570

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

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
----------------------------------------------------------------------------------------------------------------------------
4-0043   71/10/9   SEATTLE,WASH        BOEING 747          CR-  0  0 11  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 0457                    N601US              PX-  0  0 99                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-MINOR        OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - SEATTLE-TACOMA
        OPERATOR - NORTHWEST AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          ANCHORAGE,ALAS              SEATTLE,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           DRAGGED WINGTIP,POD,OR FLOAT                             LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           WEATHER - FOG
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               0
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- LOST ALL FWD VISIBILITY JUST BFOR TOUCHDOWN. NR 1 ENG SCRAPED RWY ON GO AROUND. LND OK AT SPOKANE.

Aircraft

Registration
N601US
Reported as
Boeing 747
Category
Airplane
Engine
turbo fan
Damage
Minor damage
Airport
Seattle-Tacoma

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 N601US · 2

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