# NTSB SEA84LA059: Cessna 172RGII, N6522R, Grangeville, ID, February 22, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 22, 1984, 10:30 local (18:30 UTC)
- Place: Grangeville, ID
- Coordinates: 45.93978, -116.1138 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.9398&lon=-116.1138&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): 39878
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA84LA059
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/39878/pdf
- Page: https://openairdocs.org/ntsb/SEA84LA059

## Sequence of events

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

- Loss of control - on ground/water, landing - flare/touchdown
  - weather condition - tailwind (contributing factor)
  - directional control - not maintained, pilot in command (cause)
  - terrain condition - icy (contributing factor)
  - ground loop/swerve - not corrected, pilot in command (cause)
  - terrain condition - snow covered
- Nose over, landing - flare/touchdown

## Analysis

THE ACFT GROUND LOOPED DURING LANDING ON AN ICY RWY AND NOSED OVER AFTER LEAVING THE RWY. THE LANDING WAS MADE WITH A RIGHT QUARTERING TAILWIND.

## Aircraft

- Registration: [N6522R](https://openairdocs.org/aircraft/N6522R), registered now, S/N 172RG0191, built 1979 (OpenAirDocs)
- Reported make and model: CESSNA 172RGII
- Registry model: [Cessna 172RG](https://openairdocs.org/model/cessna-172rg) (registry code 2072438) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 0191
- Airframe hours: 1399
- Engines: LYCOMING O-360-F1A6 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: V.S. Partnership
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, December 1, 1983, 40 hours before
- Departed: GNG, GOODING, ID
- Destination: S80, GRANGEVILLE, ID
- Flight plan: VFR
- Airport: S80, Idaho County, runway 7, 4,507 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 475 total, 23 in this make and model, 316 as pilot in command, 23 in the last 90 days, 6 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 12 knots
- Visibility: 15 statute miles
- Lowest ceiling: 4,500 ft broken
- Temperature: 32 °F, dew point 30 °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 19840222004489A](https://openairdocs.org/incident/19840222004489A), Feb 22, 1984: Cessna 172RG, Grangeville, ID, Substantial damage. Pilot allowed aircraft to drift off runway which was covered with snow. Left gear sank in soft shoulder.

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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