ASN Wikibase Occurrence # 381180
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| Date: | Monday 8 August 1983 |
| Time: | 15:20 LT |
| Type: |  Beechcraft M35 |
| Owner/operator: | Airways Service Inc. |
| Registration: | N555M |
| MSN: | D6216 |
| Total airframe hrs: | 4119 hours |
| Engine model: | Continental IO-470-C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Sioux City, IA -
 United States of America
|
| Phase: | Take off |
| Nature: | Executive |
| Departure airport: | |
| Bassett, NE (KRBE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT STATED THAT THE LANDING GEAR SWITCH WAS DOWN WHEN HE STARTED THA TAKEOFF ROLL. WHEN THE ACFT HAD ACCELERATED TO APRX 50 MPH DURING THE TAKEOFF ROLL, THE LANDING GEAR RETRACTED/COLLAPSED, NOSE WHEEL FIRST, FOLLOWED BY THE MAIN GEAR. THE PLT STATED THAT AFTER THE ACFT SLID TO A STOP, HE MOVED THE LANDING GEAR SWITCH FROM THE 'DOWN' TO THE 'UP' POSITION BEFORE HE DEPARTED THE ACFT. MAINTENANCE PERSONNEL WHO WERE AT THE ACFT IMMEDIATELY AFTER THE MISHAP, CONFIRMED THAT THE LANDING GEAR SWITCH WAS IN THE 'UP' POSITION WHEN THEY ARRIVED. AN INSPECTION OF THE LANDING GEAR & GEAR WARNING SYSTEMS REVEALED NO EVIDENCE OF A PRE-ACCIDENT MALFUNCTION. THE GEAR WARNING HORN SOUNDED WHEN CHECKED WITH THE SQUAT SWITCH OPEN. THE PLT STATED THAT HE DID NOT HEAR A HORN DURING THE TAKEOFF SEQUENCE. ALSO, THE PLT NOTED THAT THE FLAP SWITCH WAS IN THE 'DOWN' POSITION, WHEN HE ARRIVED AT THE ACFT, BUT THE FLAPS WERE IN THE RETRACTED POSITION. HE BELIEVED SOMEONE HAD PUT THE FLAP SWITCH DOWN AFTER THE MASTER SWITCH WAS OFF.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC83LA183
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Apr-2024 00:40 | ASN Update Bot | Added |
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