# NTSB DEN86LA057: Cessna 172P, N96321, Broomfield, CO, December 29, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: December 29, 1985, 15:38 local (22:38 UTC)
- Place: Broomfield, CO
- Coordinates: 39.940254, -105.060974 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.9403&lon=-105.0610&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16908
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN86LA057
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16908/pdf
- Page: https://openairdocs.org/ntsb/DEN86LA057

## Sequence of events

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

- Loss of control - on ground/water, landing
  - weather condition - crosswind (contributing factor)
  - compensation for wind conditions - not maintained, pilot in command (cause)
- Loss of control - in flight, landing
  - weather condition - crosswind (contributing factor)
  - go-around - improper, pilot in command (cause)
  - improper use of procedure, pilot in command (cause)
- On ground/water collision with object, landing

## Analysis

THE ACFT DRIFTED OFF THE RUNWAY DURING THE FLARE/TOUCHDOWN PHASE OF LDG DUE TO PLT FAILURE TO CORRECT FOR A 20 KT XWIND CONDITION. THE PLT ATTEMPTED TO MAKE A GO-AROUND AT A LOW A/S AND WITH LDG FLAPS (25 DEGREES) EXTENDED, RESULTING IN LOSS OF CONTROL AND COLLISION WITH A WATER TWR, FOLLOWED BY GRND IMPACT AND NOSE OVER.

## Aircraft

- Registration: N96321 (not matched to a registry record)
- Reported make and model: CESSNA 172P
- Category: Airplane
- Serial number: 17276057
- Airframe hours: 687
- Engines: LYCOMING 0320D2J 160 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: David L. & Maureen Heil
- Airworthiness certificate: Standard, Utility
- Last inspection: Continuous airworthiness, November 13, 1985, 37 hours before
- Departed: 48V, ERIE, CO
- Destination: BJC, BROOMFIELD, CO
- Airport: BJC, Jeffco, runway 29R, 7,500 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 24; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 82 total, 31 in this make and model, 51 as pilot in command, 8 in the last 90 days, 4 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 250° at 20 knots
- Visibility: 75 statute miles
- Lowest ceiling: none
- Temperature: 57 °F
- Altimeter: 29.00 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 19851229066289A](https://openairdocs.org/incident/19851229066289A), Dec 29, 1985: Cessna 172P, Broomfield, CO, Destroyed. Aircraft drifted on go around with flaps at 25 degrees. Struck a water tank and impacted the ground.

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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