# NTSB DEN86LA122: RJB Skybolt A-1, N42RJ, Erie, CO, April 12, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 12, 1986, 11:00 local (18:00 UTC)
- Place: Erie, CO
- Coordinates: 40.020336, -105.040901 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0203&lon=-105.0409&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): 16954
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN86LA122
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16954/pdf
- Page: https://openairdocs.org/ntsb/DEN86LA122

## 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
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll

## Analysis

THE PLT REPORTED THAT THE ACFT ENCOUNTERED A RIDGE ON THE RWY DURING THE LANDING ROLL AND SWERVED OFF THE SIDE. HE SAID WEATHER WAS NOT A FACTOR. AN FAA OPS INSPECTOR EXAMINED THE RWY AFTER THE ACDNT AND COULD NOT LOCATE THE REPORTED RIDGE.

## Aircraft

- Registration: [N42RJ](https://openairdocs.org/aircraft/N42RJ), registered now, S/N A-1, built 1980 (OpenAirDocs)
- Reported make and model: RJB AVIATION SKYBOLT A-1 (SKYBOLT A-)
- Registry model: [RJB Aviation Enterprises SKYBOLT](https://openairdocs.org/model/rjb-aviation-enterprises-skybolt) (registry code 05655E6) (OpenAirDocs)
- Registry engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: A-1
- Engines: LYCOMING AEIO-360-H1A 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Christine Wolff
- Airworthiness certificate: Special, Experimental (Special)
- Departed: BJC, BROOMFIELD, CO
- Airport: 48V, Tri-County, runway 33, 5,400 × 65 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: rear; flight hours: 1,100 total, 19 in this make and model, 37 in the last 90 days, 22 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 50 °F, dew point 46 °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 19860412012629A](https://openairdocs.org/incident/19860412012629A), Apr 12, 1986: Amtrsn SKYBOLT, Erie, CO, Substantial damage. The aircraft ground looped off the side of the runway. A bump in the runway was reported but not located.

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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