# NTSB SEA90LA191: Cessna 172N, N5345D, Dillon, MT, September 11, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 11, 1990, 15:00 local (21:00 UTC)
- Place: Dillon, MT
- Coordinates: 45.050762, -112.81919 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.0508&lon=-112.8192&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 9, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 41283
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA90LA191
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/41283/pdf
- Page: https://openairdocs.org/ntsb/SEA90LA191

## Probable cause

PILOT MISJUDGED THE FLARE THAT RESULTED IN A BOUNCED LANDING.

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - flare - misjudged, pilot in command (cause)
  - total, pilot in command (contributing factor)
  - directional control - not maintained, pilot in command (contributing factor)
  - recovery from bounced landing - inadequate, pilot in command (cause)
- On ground/water collision with object, landing - roll
  - object - fence (contributing factor)

## Analysis

AT THE END OF A STUDENT SOLO CROSS COUNTRY FLIGHT, WHILE APPROACHING THE RUNWAY FOR LANDING, THE STUDENT REPORTED THAT HE FLARED TOO HIGH OVER THE RUNWAY AND THE PLANE BOUNCED. THE AIRPLANE VEERED OFF THE RUNWAY AND COLLIDED INTO A FENCE. THE PILOT REPORTED THAT THERE WERE NO MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE AT THE TIME OF THE ACCIDENT.

## Aircraft

- Registration: [N5345D](https://openairdocs.org/deregistered/N5345D-1996-10-25), registration cancelled 1996-10-25, S/N 17272533 (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Category: Airplane
- Serial number: 17272533
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Iverson, Paul
- Departed: BZN, BOZEMAN, MT
- Flight plan: VFR
- Airport: DLN, Dillon, runway 16, 6,500 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; flight hours: 21 total, 21 in this make and model, 4 as pilot in command, 21 in the last 90 days, 12 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 5 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point -0 °F

## 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 19900911039069A](https://openairdocs.org/incident/19900911039069A), Sep 11, 1990: Cessna 172N, Dillon, MT, Substantial damage. Bounced on landing,lost control and veered off runway into a fence.

## Other investigations on N5345D (1)

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.

- [NTSB CHI91LA081](https://openairdocs.org/ntsb/CHI91LA081), Jan 22, 1991: Cessna 172N (N5345D), Lansing, IL, substantial damage. Probable cause: INADEQUATE COMPENSATION FOR WIND CONDITIONS AND FAILURE TO MAINTAIN DIRECTIONAL CONTROL. A FACTOR RELATED TO THE ACCIDENT IS THE SNOW COVERED RUNWAY.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.