DEN73AD028

NTSB accident investigation · Convair 580 · Alamosa, CO · December 4, 1972

Accident · Serious injuriesClosed
Date
December 4, 1972
Place
Alamosa, CO · ALAMOSA, CO
Injuries
1 serious, 16 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N73112Convair 580
Status
Completed · report March 30, 1973
Report
Brief approved by the director
Case key
168662

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
----------------------------------------------------------------------------------------------------------------------------
1-0041   72/12/4 NR.ALAMOSA,COLO       CONVAIR 580         CR-  0  1  2  SCHED DOM PASSG SRV       ATP,FLIGHT INSTR., AGE
        TIME - 2110                    N73112              PX-  0  0 14                            45, 13938 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            192 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - FRONTIER AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          DENVER,COLO                 ALBUQUERQUE,N MEX           ALAMOSA,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT SIGN ON
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                      DRIZZLE, RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- FL 170 ONLY ALT AVAIL. SEVERE TO EXTREME TURB.  STEWARDESS PERFORMING ASGND DUTIES PER CO POLICY.

Aircraft

Registration
N73112
Reported as
Convair 580
Category
Airplane
Engine
turbo prop
Damage
No 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.