# NTSB DEN68A0022: Cessna 172, N1754F, Greeley, CO, November 5, 1967

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 5, 1967
- Place: Greeley, CO · GREELEY, CO
- Location: 40.4233° N, 104.7091° W: Placed by OpenAirDocs: center of Greeley, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.4233&lon=-104.7091&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal, 1 serious
- Status: Completed, report March 8, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 113586
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68A0022
- Page: https://openairdocs.org/ntsb/DEN68A0022

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1003   67/11/5   GREELEY,COLO        PIPER PA-28         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 42, 650
        TIME - 1700                    N8525W              PX-  2  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 2 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  1  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WELD COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CONGESTED TRAFFIC-PATTERN
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT         TRAFFIC ADVISORY ISSUED - UNKNOWN/NOT REPORTED
          CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT   CONVERGENCE ANGLE-DEGREES -  0
          HORIZONTAL COLLISION ANGLE-DEGREES -   0                 VERTICAL COLLISION ANGLE-DEGREES -  0
          EVASIVE ACTION TAKEN - NO
        REMARKS- PLT FAILED TO CONFORM TO EXISTING TRAFFIC.N8525W STRUCK N1754F. AIRPORT UNCONTROLLED.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1003   67/11/5   GREELEY,COLO        CESSNA 172          CR-  1  0  0  INSTRUCTIONAL             PRIVATE, AGE 30, 102
        TIME - 1700                    N1754F              PX-  0  0  0  TRAINING                  TOTAL HOURS, 1 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  3  1  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WELD COUNTY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CONGESTED TRAFFIC-PATTERN
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT         CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONVERGENCE ANGLE-DEGREES -  0                           HORIZONTAL COLLISION ANGLE-DEGREES -   0
          VERTICAL COLLISION ANGLE-DEGREES -  0                    EVASIVE ACTION TAKEN - NO
        REMARKS- N1754F STRUCK BY PIPER N8525W.UNCONTROLLED ARPT
```

## Aircraft 1

- Registration: [N1754F](https://openairdocs.org/deregistered/N1754F-1968-01-26), registration cancelled 1968-01-26, S/N 17255149 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172H](https://openairdocs.org/model/cessna-172h) (registry code 2072424) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Weld County

## Aircraft 2

- Registration: [N8525W](https://openairdocs.org/deregistered/N8525W-2012-11-13), registration cancelled 2012-11-13, S/N 28-10026, built 1963 (OpenAirDocs)
- Reported make and model: PIPER PA-28
- Registry model: [Piper PA-28-235](https://openairdocs.org/model/piper-pa-28-235) (registry code 7102810) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Weld County

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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