Incident Saab 340B VH-OLM, Friday 28 June 2002
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Date:Friday 28 June 2002
Time:c. 18:00
Type:Silhouette image of generic SF34 model; specific model in this crash may look slightly different    
Saab 340B
Owner/operator:Hazelton Airlines
Registration: VH-OLM
MSN: 340B-205
Fatalities:Fatalities: 0 / Occupants: 32
Other fatalities:0
Aircraft damage: None
Location:7 km ESE of Bathurst, NSW -   Australia
Phase: Approach
Nature:Passenger - Scheduled
Departure airport:Sydney-Kingsford Smith International Airport, NSW (SYD)
Destination airport:Bathurst-Raglan Airport, NSW (BHS)
Confidence Rating: Information is only available from news, social media or unofficial sources
The Saab was approaching Bathurst's runway 17 with gear down and flaps at 20 degrees. At a radio altitude of 1,266 feet above ground level and a speed of 133 knots the captain commanded the autopilot to roll the aircraft to the right to begin tracking downwind for runway 17. It attained 28 degrees right roll after 7 seconds. Approximately 1 second later, the aircraft commenced an uncommanded roll to the left at a recorded airspeed of 114 knots and a nose-up pitch of 8 degrees. The aircraft rapidly rolled to the left reaching 109 degrees left bank within 4 seconds, before pitching 27 degrees nose down 3 seconds later. During the recovery the aircraft rolled back through wings level to 56 degrees right wing low. The aircraft descended approximately 1,080 feet in 16 seconds, and the minimum radio altitude recorded was 114 feet/35m above ground level. The aircraft's aerodynamic stall warning systems of stick shaker, audible alarm, visual warnings and stick pusher, did not activate.
1. Although provided with visual cues (windshield wiper), the flight crew did not detect airframe or wing ice during the descent and therefore did not take measures to remove the ice.
2. The flight crew left the power setting unchanged at 17 per cent after levelling out when 50 per cent-60 per cent would have been appropriate given the aircraft configuration and environmental conditions.
3. The flight crew allowed the aircraft’s speed to slow below a safe speed.
4. The stall warning system did not activate prior to the stall.
5. The aircraft was not fitted with the Canadian stall warning system modification. If this had been fitted and activated, it would have alerted the flight crew and provided them with between 3-4 seconds warning of the impending stall.
6. The SOP did not require activation of the de-ice boots in known icing conditions as per the manufacturer documentation.
7. The SOP allowed for the use of the autopilot during icing conditions which masked tactile cues regarding the increasing nose up attitude.
The investigation identified a number of other occurrences involving Saab 340 aircraft stalling where little to no stall warning had been provided to flight crew while operating in icing conditions. This included a Saab operated by an Australian operator, which resulted in a number of ATSB recommendations being issued in that investigation, not all of which were accepted and acted upon. Some of those recommendations have been re-issued.


History of this aircraft

Other occurrences involving this aircraft

16 May 1997 VH-OLM Hazelton Airlines 0 near Bindook, NSW min
Engine failure
9 January 2015 VH-OLM Rex Airlines 0 Moruya Airport, NSW (MYA/YMRY) min
Bird strike

Revision history:

26-Jul-2012 07:20 harro Added

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