ASN Wikibase Occurrence # 368382
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| Date: | Tuesday 18 July 1989 |
| Time: | 03:30 LT |
| Type: |  Learjet 35 |
| Owner/operator: | New Creations, Inc. |
| Registration: | N701AS |
| MSN: | 047 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 7364 hours |
| Engine model: | GARRETT TFE-731-2-2B |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Des Moines, IA -
 United States of America
|
| Phase: | Landing |
| Nature: | Unknown |
| Departure airport: | Denver, CO (KDEN) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PIC RPRTD THAT DURING AN IFR ARRIVAL TO THE DES MOINES INTL ARPT, HE DETECTED WHAT SEEMED TO BE MICROBURSTS & ELECTED TO MAKE A MISSED APCH. DURING A 2ND APCH (ILS RWY 30R APCH), WX CONDITIONS WERE BETTER & TOWER PSNL RPRTD ONLY LIGHT RAIN & WINDS, SO HE CONTINUED FOR A LANDING. THE APCH & TOUCHDOWN WERE NORMAL & REVERSE THRUST WAS NOT USED. HOWEVER, THE PLT RPRTD THAT WHEN HE APPLIED BRAKES, HE REALIZED THE ACFT WAS HYROPLANING. SOON THEREAFTER, IT ANGLED OFF THE RIGHT SIDE OF THE RWY, THOUGH IT WAS BEING STEERED TO THE LEFT. THE ACFT THEN ENCTRD SOFT MUD, HIT 2 LANDING LIGHT ABUTMENTS & WAS DAMAGED. THE RWY WAS RPRTD TO SLOPE DOWNWARD TOWARD THE MIDPOINT. THE PLT STATED THAT A FEW HRS LATER, WATER WAS STILL STANDING IN LOW POINTS ON THE RWY, THOUGH RAIN HAD STOPPED FALLING. ALSO, HE STATED THE LOCAL CONTROLLER HAD NOT WARNED HIM OF POSSIBLE HYDROPLANING THOUGH AT LEAST 2 INCHES OF RAIN HAD FALLEN IN A SHORT PERIOD BEFORE THE PLANE HAD LANDED. THE 0244 CDT WIND WAS RPRTD TO BE FROM 200 DEG AT 9 KTS.
Probable Cause: FAILURE OF THE PILOT TO MAINTAIN DIRECTIONAL CONTROL AND RUNWAY ALIGNMENT DURING THE LANDING. FACTORS RELATED TO THE ACCIDENT WERE: ADVERSE WEATHER/RUNWAY/TERRAIN CONDITIONS, FAILURE OF THE LOCAL CONTROLLER TO WARN THE PILOT OF POSSIBLE HYDROPLANING CONDITIONS, THE PILOT'S DECISION NOT TO USE REVERSE THRUST, AND RUNWAY LIGHT ABUTMENTS.
Accident investigation:
 |
|
Sources:
NTSB MKC89LA161
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2024 17:51 | ASN Update Bot | Added |
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