# Accident 19980424013309A: Gulstm 690B, Denver, CO, April 24, 1998

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 24, 1998, 14:05 local time
- Place: Denver, CO
- Airport: Jeffco Airport
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 39.8909° N, 105.1108° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.8909&lon=-105.1108&mi=10
- Aircraft: N690ES, a cancelled registration (https://openairdocs.org/deregistered/N690ES-2007-06-08) (OpenAirDocs)
- Registry model: Rockwell International 690B (registry code 7630516, https://openairdocs.org/model/rockwell-international-690b) (OpenAirDocs)
- Registry engine: AiResearch TPE331-5&6SER (registry code 01515, https://openairdocs.org/engine/airesearch-tpe331-5-6ser) (OpenAirDocs)
- Reported make and model: GULSTM 690B
- Reported engine: GARRTT TPE3315251K
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 20,000 total, 550 in this make and model
- NTSB investigation: [NTSB FTW98LA197](https://openairdocs.org/ntsb/FTW98LA197) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19980424013309A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

LOST DIRECTIONAL CONTROL WHILE REVERSING PROPS ON LANDING ROLL. FOLDED LEFT GEAR. PROP TIP MADE HOLE IN FUSELAGE. (.4)THE PILOT-OWNER SAID THAT AFTER LANDING, HE BROUGHT THE CONDITION LEVERS FROM GROUND IDLE TO REVERSE.  THE AIRPLANE VEERED TO THE RIGHT, AS IF 'ONE ENGINE WAS DEVELOPING MORE POWER THAN THE OTHER.'  THE INSTRUCTOR PILOT TOOK CONTROL AND ATTEMPTED TO STRAIGHTEN THE AIRPLANE BUT IT DEPARTED THE RUNWAY AND STRUCK A CONCRETE CULVERT.  THE LEFT LANDING GEAR COLLAPSED, AND THE TIP FROM ONE OF THE LEFT PROPELLER BLADES PENETRATED THE PRESSURE VESSEL. THE RIGHT PROPELLER AND RIGHT AND NOSE LANDING GEARS ALSO SUSTAINED DAMAGE.  DURING REPAIRS, NO ABNORMALITIES WERE FOUND WITH EITHER THE PROPELLER, PITCH, OR BENDIX CONTROLLERS.                                              (-23)UPON LANDING AND APPLICATION OF PROP REVERSE THE AIRCRAFT YAWED TO THE RIGHT.  DIRECTIONAL CONTROL WAS LOST AND AIRCRAFT LEFT RUNWAY.  LEFT LANDING GEAR COLLAPSED AND PROPELLER CONTACTED GROUND.  ONE PROP TIP BROKE OFF AND PENETRATED PRESSURE VESSEL.

## The NTSB's investigation of this event (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 FTW98LA197](https://openairdocs.org/ntsb/FTW98LA197), Apr 24, 1998: Rockwell 690B (N690ES), Broomfield, CO, substantial damage. Probable cause: Failure of the flight instructor to maintain adequate supervision, and failure of the pilot receiving instruction to maintain directional control that was lost for reasons undetermined. A factor was…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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