# NTSB DEN73FTE48: Cessna 172, N686JF, Boulder, CO, January 21, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 21, 1973
- Place: Boulder, CO · BOULDER, CO
- Location: 40.0244° N, 105.2513° W: Placed by OpenAirDocs: center of Boulder, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0244&lon=-105.2513&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 9, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170081
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73FTE48
- Page: https://openairdocs.org/ntsb/DEN73FTE48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0222  73/1/21    BOULDER,COLO        CESSNA 172          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 19, 85 TOTAL
        TIME - 1315                    N686JF              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  HOURS, 6 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BOULDER MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,COLO                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RAMP/TAXIWAY
        REMARKS- TAXIING AROUND WATER PUDDLE ON TWY,HIT SNOWPLOW.
```

## Aircraft

- Registration: [N686JF](https://openairdocs.org/deregistered/N686JF-2013-08-30), registration cancelled 2013-08-30, S/N 17257670, built 1968 (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: Boulder Muni

## 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 19730121002799A](https://openairdocs.org/incident/19730121002799A), Jan 21, 1973: Cessna 172K, Boulder, CO, Substantial damage. Taxiing around water puddle on twy,hit snowplow.

## Other investigations on N686JF (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 FTW97LA138](https://openairdocs.org/ntsb/FTW97LA138), Mar 25, 1997: Cessna 172K (N686JF), Telluride, CO, substantial damage. Probable cause: The pilot's misjudged landing flare and his improper bounced landing recovery technique. A factor was the snow bank.

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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