# NTSB CHI84LA299: Cessna 172, N8684U, Alpena, MI, July 16, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 16, 1984, 00:05 local (04:05 UTC)
- Place: Alpena, MI
- Coordinates: 45.069175, -83.430862 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.0692&lon=-83.4309&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12699
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA299
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12699/pdf
- Page: https://openairdocs.org/ntsb/CHI84LA299

## Sequence of events

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

- In flight collision with object, landing - flare/touchdown
  - light condition - dark night (contributing factor)
  - object - animal(s) (cause)
- Main gear collapsed, landing - flare/touchdown
  - landing gear,main gear - overload
- Loss of control - on ground/water, landing
  - directional control - not possible
  - ground loop/swerve - uncontrolled

## Analysis

THE PLT STATED THAT WHILE FLARING FOR THEIR 5TH STOP-&-GO AT NIGHT, A DEER RAN OUT ONTO THE RWY. THE ACFT COLLIDED WITH THE DEER & THE LEFT MAIN LANDING GEAR WAS SHEARED OFF. THE ACFT THEN VEERED OFF THE RWY.

## Aircraft

- Registration: [N8684U](https://openairdocs.org/aircraft/N8684U), registered now, S/N 17252587, built 1965 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172F](https://openairdocs.org/model/cessna-172f) (registry code 2072414) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 1725287
- Airframe hours: 2314
- Engines: CONTINENTAL O-300-D 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Phelps Collins Aviation, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 17, 1984, 62 hours before
- Airport: APN, Phelps Collins, runway 10, 9,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 46; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: right; flight hours: 1,553 total, 142 in this make and model, 1,314 as pilot in command, 85 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 64 °F, dew point 55 °F
- Altimeter: 29.00 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 19840716034249A](https://openairdocs.org/incident/19840716034249A), Jul 16, 1984: Cessna 172F, Alpena, MI, Substantial damage. Aircraft left main gear struck a deer just before touchdown during landing.

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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