# NTSB DEN88LA192: Cessna 206, N5028U, Saint George, UT, August 29, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 29, 1988, 07:30 local (13:30 UTC)
- Place: Saint George, UT
- Coordinates: 37.179641, -113.599166 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.1796&lon=-113.5992&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 3, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 17533
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN88LA192
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17533/pdf
- Page: https://openairdocs.org/ntsb/DEN88LA192

## Sequence of events

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

- Nose gear collapsed, landing - roll
  - landing gear,nose gear attach point - fatigue (cause)
- Loss of control - on ground/water, landing - roll
  - directional control - not possible
  - ground loop/swerve - uncontrolled
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)

## Analysis

DRG THE LANDING ROLL, THE NOSE GEAR COLLAPSED, THEN THE ACFT VEERED OFF THE RWY, ENCTRD SOFT DIRT/GRAVEL TERRAIN & NOSED OVER. A POST-ACDNT INSPN REVEALED THAT TWO ATTACHING BOLTS ON THE LEFT SIDE OF THE NOSE GEAR YOKE HAD FAILED & THAT THE TW0 BOLTS ON THE RIGHT SIDE WERE BENT. THE LEFT FORWARD BOLT HAD EVIDENCE OF A PREVIOUS CRACK, IN THAT THE FRACTURE AREA WAS DARK & RUSTED. THE LEFT REAR BOLT WAS STRAIGHT, BUT HAD FAILED AT THE THREAD BASE. THERE WAS EVIDENCE THE RIGHT ATTACHING BOLTS HAD BECOME BENT AS THE NOSE GEAR FORK COLLAPSED TO THE RIGHT.

## Aircraft

- Registration: [N5028U](https://openairdocs.org/deregistered/N5028U-1989-03-02), registration cancelled 1989-03-02, S/N 2060028 (OpenAirDocs)
- Reported make and model: CESSNA 206
- Registry model: [Cessna 206](https://openairdocs.org/model/cessna-206) (registry code 2073302) (OpenAirDocs)
- Category: Airplane
- Serial number: 2060028
- Airframe hours: 7453
- Engines: CONTINENTAL IO-520-A 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Operator: Crock, Robert C.
- Registered owner: Crock, Robert C
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 15, 1988, 19 hours before
- Departed: 1L9, PAROWAN, UT
- Destination: SGU
- Flight plan: VFR
- Airport: SGU, Saint George Muni, runway 16, 6,100 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 443 total, 192 in this make and model, 443 as pilot in command, 30 in the last 90 days, 13 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 64 °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 19880829035769A](https://openairdocs.org/incident/19880829035769A), Aug 29, 1988: Cessna 206CESSNA, Saint George, UT, Substantial damage. Nose gear bolts failed on landing. Appears bolts had been overstressed on prior landings.

## Other investigations on N5028U (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 UNK64X0325](https://openairdocs.org/ntsb/UNK64X0325), Jan 23, 1964: Cessna 206 (N5028U), Beckley, WV, substantial damage

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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