DEN80FTE74

NTSB accident investigation · Air Tractor AT-301 · Montevista, CO · August 27, 1980

Accident · No injuriesClosed
Date
August 27, 1980
Place
Montevista, CO · MONTEVISTA, CO
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N1KLAir Tractor AT-301
Status
Completed · report September 30, 1980
Report
Brief approved by the director
FAA report
19800827037469A
Case key
129462

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
----------------------------------------------------------------------------------------------------------------------------
3-1913  80/8/27  NR.MONTEVISTA,CO      AIR TRACTOR AT-301  CR-  0  0  1  COMMERCIAL                ATP,FLIGHT INSTR., AGE
        TIME - 1100                    N1KL                PX-  0  0  0  AERIAL APPLICATION        42, 3829 TOTAL HOURS, 260
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MONTEVISTA,CO                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PULLUP FROM SWATH RUN
           COLLIDED WITH: CROP                                      LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           TERRAIN - HIGH VEGETATION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      60
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1650                       KIND OF OPERATION - DEFOLIATION (DUST)
          KIND OF CROP - POTATOES                                  TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  7600                SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- PUSH ROD FAILED AT PUSH ROD BALL END RECEPTACLE.D/A APRX 9500FT.

Aircraft

Registration
N1KL
Reported as
Air Tractor AT-301
Category
Airplane
Engine
reciprocating
Damage
Substantial 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.

FAA reports on this event · 1

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