DEN75AD062

NTSB accident investigation · Convair 580 · Gunnison, CO · June 20, 1975

Accident · Serious injuriesClosed
Date
June 20, 1975
Place
Gunnison, CO · GUNNISON, CO
Injuries
1 serious, 52 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N73168Convair 580
Status
Completed · report July 10, 1975
Report
Brief approved by the director
Case key
148630

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
----------------------------------------------------------------------------------------------------------------------------
1-0011  75/6/20  NR.GUNNISON,CO        CONVAIR 580         CR-  0  1  2  SCHED DOM PASSG SRV       ATP,FLIGHT INSTR., AGE
        TIME - 1625                    N73168              PX-  0  0 50                            45, 13454 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            4136 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - FRONTIER AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          DENVER,CO                   PHOENIX,AZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           PERSONNEL - FLIGHT PERSONNEL: FLIGHT ATTENDANT
           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
          BROKEN                                                   UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          UNKNOWN/NOT REPORTED                                     210
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           54                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- LOST BALANCE. FELL AGAINST PAX SEAT.

Aircraft

Registration
N73168
Reported as
Convair 580
Category
Airplane
Engine
turbo prop
Damage
No damage