# NTSB DEN82DA157: Cessna 172, N8909V, Grafton, ND, August 7, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 6, 1982, 19:00 local (Aug 7, 1982, 00:00 UTC)
- Place: Grafton, ND
- Coordinates: 48.410675, -97.400756 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.4107&lon=-97.4008&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 6, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 70857
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN82DA157
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/70857/pdf
- Page: https://openairdocs.org/ntsb/DEN82DA157

## Sequence of events

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

- On ground/water collision with object, taxi - to takeoff
  - visual lookout - inadequate, pilot in command (cause)
- On ground/water collision with object, taxi - to takeoff
  - visual lookout - inadequate, pilot in command (cause)

## Analysis (aircraft 2)

THE PILOT STATED THAT WHEN HE BEGAN TO TAXI HE NOTICED A CESSNA 172 WITH ITS ENGINE RUNNING IN FRONT OF A HANGAR, ABOUT 500 FEET AHEAD AND TO HIS LEFT. CONTINUING HIS TAXI, THE PILOT'S ATTENTION WAS DIVERTED BY AN AIRCRAFT ON THE RIGHT. WHEN HE LOOKED FORWARD AGAIN TO CHECK THE LOCATION OF THE CESSNA THE COLLISION OCCURRED.

## Analysis (aircraft 1)

THE PILOT STATED THAT AFTER STARTING THE ENGINE THE STUDENT PILOT TAXIED TO THE RUNUP AREA. HE ALSO STATED THE ENGINE RUNUP TOOK SEVERAL MINUTES. AFTER THE RUNUP HE SAID HE GLANCED BEHIND THE AIRCRAFT AND SAW THE AG CAT BUT COULD NOT TAKE EVASIVE ACTION IN TIME.

## Aircraft 1

- Registration: [N8909V](https://openairdocs.org/deregistered/N8909V-1994-11-17), registration cancelled 1994-11-17, S/N 17264266 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172M](https://openairdocs.org/model/cessna-172m) (registry code 2072418) (OpenAirDocs)
- Category: Airplane
- Serial number: 17264266
- Airframe hours: 3324
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Don Hutson
- Registered owner: Don Hutson
- Departed: 54D, GRAFTON, ND
- Destination: 54D, GRAFTON, ND
- Airport: 54D, Grafton Municipal, runway 17, 3,900 × 75 ft, asphalt

## Aircraft 2

- Registration: [N6509K](https://openairdocs.org/aircraft/N6509K), registered now, S/N 345B, built 1977 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164B
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164B](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164b) (registry code 3952802) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 345B
- Airframe hours: 1682
- Engines: P&W R1340 450 horsepower reciprocating
- Damage: Minor damage
- Flight: Part 137
- Operator: Don'S Aero Service, Inc.
- Registered owner: Don'S Aero Service, Inc.
- Departed: 54D, GRAFTON, ND
- Destination: 54D, GRAFTON, ND
- Airport: 54D, Grafton Municipal, runway 17, 3,900 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot, aircraft N8909V; age 22; commercial, flight instructor; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; flight hours: 297 total, 159 in this make and model, 191 as pilot in command, 36 in the last 90 days
- Pilot, aircraft N6509K; age 43; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 13,326 total, 10,000 in this make and model, 10,000 as pilot in command, 100 in the last 90 days, 8 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 5 knots
- Visibility: 15 statute miles
- Temperature: 158 °F
- Altimeter: 30.00 inHg

## FAA reports on this event (2)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19820806039732A](https://openairdocs.org/incident/19820806039732A), Aug 6, 1982: Cessna 172M, Grafton, ND, Substantial damage. Was struck from behind by a taxiing Grumman ag cat, N6509K, while holding short of runway on runup.
- [Accident 19820806039731A](https://openairdocs.org/incident/19820806039731A), Aug 6, 1982: Scwzer G164B, Grafton, ND, Minor damage. Taxied into tail of Cessna, N8909V, that was holding short of active runway on run up failed to see Cessna.

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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