ASN Wikibase Occurrence # 205
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| Date: | Tuesday 27 November 2001 |
| Time: | 08:36 |
| Type: |  Beechcraft C90 King Air |
| Owner/operator: | Eastland Air - Moore's Air Charter |
| Registration: | VH-LQH |
| MSN: | LJ-644 |
| Year of manufacture: | 1975 |
| Fatalities: | Fatalities: 4 / Occupants: 4 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Toowoomba, QLD -
 Australia
|
| Phase: | Take off |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Toowoomba City Aerodrome, QLD (TWB) |
| Goondiwindi, QLD | |
| Investigating agency: | ATSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
At about 0836 Eastern Standard Time on 27 November 2001, a Beech Aircraft Corporation King Air C90 aircraft, registered VH-LQH, took off from runway 29 at Toowoomba aerodrome, Queensland for an Instrument Flight Rules charter flight to Goondiwindi, Queensland. On board were the pilot and three passengers.
Just prior to, or at about the time the aircraft became airborne, the left engine failed. A subsequent examination of the left engine found that it probably lost thrust-producing power almost immediately. Following the engine failure, the take-off manoeuvre continued and the aircraft became airborne prior to crashing.
The aircraft was equipped with an automatic propeller feathering system, but the propeller was not feathered at impact. The reason the propeller was not feathered could not be determined. The landing gear was not retracted during the short flight. The right engine was developing significant power at impact.
The aircraft remained airborne for about 20 seconds. The aircraft's flight path was typical of an asymmetric, low speed flight situation, and it is unlikely that the aircraft's speed was ever significantly above the minimum control speed (Vmca) of 90 kts. The aircraft manufacturer's specified procedures for responding to an engine failure in LQH stated that the take off should be rejected below the 'take-off speed', specified as 100 kts. After control of the aircraft was lost, and as the aircraft was rolling through about 90 degrees left bank, it struck powerlines about 10 m above ground level and about 560 m beyond the end of the runway. It then continued to roll left and impacted the ground inverted in a steep nose-low attitude. An intense fuel-fed fire erupted upon initial impact with the ground. The aircraft was destroyed and all four occupants sustained fatal injuries. The accident was not considered to be survivable due to the impact forces and post-impact fire.
In September 2005, a coronial inquiry into the accident was commenced. During that inquiry, new information was brought to the attention of the ATSB. As a result of this new information, the ATSB formally reopened the investigation on 11 November 2005in accordance with Paragraph 5.13 of Annex 13 to the Chicago Convention through Section 17 of the Transport Safety Investigation Act 2003, to assess the matters raised and their significance to the original ATSB investigation findings.
In light of a further review of the evidence, the ATSB has reconsidered its original finding that the initiating event of the engine failure of VH-LQH was a blade release in the compressor turbine and proposes that an alternative possibility could have been that the initiating event occurred in the power turbine. Notwithstanding this possibility, in either scenario, the remainder of the findings and safety recommendations contained in the original ATSB report are still relevant.
Accident investigation:
 |
|
Sources:
ATSB Occurrence Nr. 200507077
AL 423
Images:
Photo: ATSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Jan-2008 10:00 | ASN archive | Added |
| 30-Jan-2013 00:02 | wf | Updated [Cn, Location, Phase, Departure airport, Source, Narrative] |
| 15-May-2022 21:50 | Captain Adam | Updated [Time, Nature, Departure airport, Destination airport, Narrative, Accident report, Photo] |
| 15-May-2022 21:53 | Captain Adam | Updated [[Time, Nature, Departure airport, Destination airport, Narrative, Accident report, Photo]] |
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