ASN Wikibase Occurrence # 168261
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| Date: | Tuesday 5 August 2014 |
| Time: | 15:10 |
| Type: |  Cessna 177RG Cardinal RG |
| Owner/operator: | Great Lakes Air Ventures, LLC |
| Registration: | N468LE |
| MSN: | 177RG0158 |
| Year of manufacture: | 1971 |
| Total airframe hrs: | 3531 hours |
| Engine model: | Lycoming IO-360-A1B6D |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Manistee County-Blacker Airport (KMBL), Manistee, Michigan -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Manistee, MI (MBL) |
| Ludington, MI (LDM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor reported that the departure airport's weather station was inoperative during his preflight check of the weather conditions and, as such, he referenced the airport's windsock to select the runway for takeoff. As the airplane taxied from the ramp area, the windsock indicated a light variable wind primarily from the east. Believing that the wind was light and variable, the flight instructor told his student, a private pilot who was receiving flight instruction, to depart on runway 19 because the intended destination was south of the departure airport. The flight instructor reported that the student used a short-field takeoff procedure for the takeoff. The airplane became airborne with about 1,000 ft of runway remaining; however, during the initial climb, about 5 to 10 ft above the runway, the airplane experienced a sudden loss of airspeed and began to sink back toward the runway. The airplane touched down at the runway departure threshold and continued down an embankment into a tree line.
Following the accident, the flight instructor noted that the airport's windsock was indicating a north-to-northwest wind direction with wind gusts reaching 18 to 20 knots. He stated that the apparent wind change had resulted in a tailwind condition during the accident takeoff. Additionally, he reported that there were no mechanical malfunctions or failures with the airplane that would have prevented its normal operation. The reported sudden change in wind direction and speed during initial climb would have resulted in a tailwind condition, a corresponding decrease in airspeed, and a reduced climb gradient.
Probable Cause: The pilot receiving instruction's inability to respond to or compensate for the sudden change in wind direction and speed that the airplane encountered shortly after liftoff, which resulted in a tailwind condition, a corresponding decrease in airspeed, and a reduced climb gradient.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/resources/registration/N468LE
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 06-Aug-2014 04:55 | Geno | Added |
| 07-Aug-2014 16:14 | Geno | Updated [Time, Aircraft type, Registration, Cn, Operator, Phase, Nature, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 30-Nov-2017 18:59 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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