# NTSB DEN74FTE16: Boeing A75N1, N55971, Sheridan Lke, CO, August 25, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 25, 1973
- Place: Sheridan Lke, CO · SHERIDAN LKE, CO
- Location: 38.4667° N, 102.2944° W: Placed by OpenAirDocs: center of Sheridan Lake, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.4667&lon=-102.2944&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 5, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188932
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74FTE16
- Page: https://openairdocs.org/ntsb/DEN74FTE16

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2954  73/8/25    SHERIDAN LKE,COLO   BOEING A75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 50, 835
        TIME - 1055                    N55971              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 230 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AG STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          SHERIDAN LKE,COLO           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  230                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE-NOT USED                        COCKPIT CRASHPAD - NOT INSTALLED
          CRASH BAR - NOT INSTALLED                                TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- ROUTINE LDG IN STUBBLE FLD AS A BASE OF OPERNS.
```

## Aircraft

- Registration: [N55971](https://openairdocs.org/aircraft/N55971), registered now, S/N 75-4561 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ag Strip

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19730825027449A](https://openairdocs.org/incident/19730825027449A), Aug 25, 1973: Boeing A75N1, Sheridan Lke, CO, Substantial damage. Routine ldg in stubble fld as a base of operns.

## Other investigations on N55971 (3)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW82DA185](https://openairdocs.org/ntsb/FTW82DA185), May 16, 1982: Boeing A75N1 (N55971), Fabens, TX, substantial damage
- [NTSB FTW79DQD12](https://openairdocs.org/ntsb/FTW79DQD12), Jun 20, 1979: Boeing A75N-1 (N55971), El Paso, TX, substantial damage
- [NTSB FTW76FQD28](https://openairdocs.org/ntsb/FTW76FQD28), Jul 4, 1976: Boeing A75N1 (N55971), Fabens, TX, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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