# NTSB DEN74DTE44: Cessna 172, N84631, Fort Lupton, CO, January 15, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 15, 1974
- Place: Fort Lupton, CO · FORT LUPTON, CO
- Location: 40.0835° N, 104.8034° W: Placed by OpenAirDocs: center of Fort Lupton, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0835&lon=-104.8034&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 6, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 201594
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74DTE44
- Page: https://openairdocs.org/ntsb/DEN74DTE44-201594

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0013  74/1/15  NR.FORT LUPTON,COLO   CESSNA 172          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0750                    N84631              PX-  0  0  0  DUAL                      AGE 31, 630 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            160 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - FLYING D RANCH
        DEPARTURE POINT             INTENDED DESTINATION
         FORT LUPTON,COLO             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER COMPENSATION FOR WIND CONDITIONS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - TOUCH AND GO LANDING
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- GUSTING TO 15K
```

## Aircraft

- Registration: [N84631](https://openairdocs.org/deregistered/N84631-2013-05-14), registration cancelled 2013-05-14, S/N 17258553, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (registry code 2072430) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Flying D Ranch

## 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 19740115000249A](https://openairdocs.org/incident/19740115000249A), Jan 15, 1974: Cessna 172K, Fort Lupton, CO, Substantial damage. Gusting to 15K

## Other investigations on N84631 (1)

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 DEN83LA061](https://openairdocs.org/ntsb/DEN83LA061), Feb 15, 1983: Cessna 172K (N84631), Dove Creek, CO, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.