# NTSB DEN84LA191: Cessna 172, N733LA, Greeley, CO, June 21, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 21, 1984, 11:00 local (17:00 UTC)
- Place: Greeley, CO
- Coordinates: 40.439388, -104.66983 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.4394&lon=-104.6698&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16410
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA191
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16410/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA191

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - flare - improper, pilot in command (cause)
  - recovery from bounced landing - improper, pilot in command (cause)

## Analysis

THE STUDENT PLT STATED THAT DURING A LANDING, THE ACFT EITHER BALLOONED OR WAS CAUGHT IN AN UPDRAFT. SHE REACTED BY PUSHING FORWARD ON THE CONTROL WHEEL. THE NOSEWHEEL HIT THE RWY FIRST, THE ACFT BOUNCED IN THE AIR & AGAIN LANDED ON THENOSEWHEEL. THE FIREWALL WAS BUCKLED & THE NOSEWHEEL TIRE BLEW OUT.

## Aircraft

- Registration: [N733LA](https://openairdocs.org/deregistered/N733LA-2015-07-07), registration cancelled 2015-07-07, S/N 17268364, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17268364
- Airframe hours: 772
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Stout Wall
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 15, 1983, 45 hours before
- Departed: FT MORGAN, CO
- Flight plan: VFR
- Airport: GXY, Weld Co., runway 9, 7,035 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 56 total, 56 in this make and model, 11 as pilot in command, 20 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 88 °F
- Altimeter: 30.00 inHg

## 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 19840621029799A](https://openairdocs.org/incident/19840621029799A), Jun 21, 1984: Cessna 172N, Greeley, CO, Substantial damage. Ballooned on landing. Reacted by putting nose down. Impact on the nose wheel blew the tire and bent motor mount.

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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