# NTSB DEN84LA059: Cessna 172P, N65680, Broomfield, CO, January 1, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 31, 1983, 19:20 local (Jan 1, 1984, 02:20 UTC)
- Place: Broomfield, CO
- Coordinates: 39.94094, -105.060707 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.9409&lon=-105.0607&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16315
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA059
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16315/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA059

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- In flight encounter with weather, approach - vfr pattern - final approach
  - weather condition - fog (contributing factor)
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - preflight briefing service - not used, pilot in command (cause)
  - vfr flight into imc - continued, pilot in command (cause)

## Analysis

THE ACFT COLLIDED WITH THE GROUND AFTER THE PILOT FLEW INTO A FOG BANK ON FINAL FOR RUNWAY 29R. THE PILOT WAS NON-INSTRUMENT RATED AND HAD NOT RECEIVED A WEATHER BRIEFING OR FILED A FLT PLAN. THE ACFT WAS ONLY AIRBORNE FOR A ABOUTAN HOUR. THE WEATHER WAS 200 FT OVERCAST VISIBILITY 3/4 MILE LIGHT SNOW, FOG AT THE TIME OF THE ACCIDENT. THE PURPOSE OF THE FLT WAS TO DO TOUCH AND GO LANDINGS AT AN NEARBY ARPT.

## Aircraft

- Registration: [N65680](https://openairdocs.org/deregistered/N65680-1996-01-02), registration cancelled 1996-01-02, S/N 17275817 (OpenAirDocs)
- Reported make and model: CESSNA 172P
- Registry model: [Cessna 172P](https://openairdocs.org/model/cessna-172p) (registry code 2072436) (OpenAirDocs)
- Category: Airplane
- Serial number: 17275817
- Airframe hours: 639
- Engines: Avco Lycoming O-320-D2J 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Denver Air Center Sky Cab
- Registered owner: Karl C. & Karen Walker
- Airworthiness certificate: Standard, Normal
- Last inspection: AAIP, December 2, 1983, 7 hours before
- Departed: 48V, ERIE, CO
- Airport: BJC, Jeffco, runway 29R, 7,498 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 91 total, 91 in this make and model, 57 as pilot in command, 32 in the last 90 days

## Weather

- Conditions: Instrument (IMC), Night/dark
- Wind: 330° at 10 knots
- Visibility: 1 statute miles
- Lowest ceiling: 200 ft overcast
- Temperature: 30 °F, dew point 30 °F
- Altimeter: 30.00 inHg
- Observed at: BJC

## 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 19831231065049A](https://openairdocs.org/incident/19831231065049A), Dec 31, 1983: Cessna 172P, Broomfield, CO, Substantial damage. Encountered snow and fog on a local flight. Crash landed short of runway trying to land. No weather briefing.

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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