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ASN Wikibase Occurrence # 215173
Last updated: 1 July 2020
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Date:07-SEP-2018
Time:14:32 LT
Type:Silhouette image of generic YAK9 model; specific model in this crash may look slightly different
Yakovlev Yak-9UM
Owner/operator:Private
Registration: VH-YIX
C/n / msn: 0470409
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:19 km WNW of Latrobe Regional Airport, VIC -   Australia
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Latrobe Regional Airport, VIC (TGN/YLTV)
Destination airport:Latrobe Regional Airport, VIC (TGN/YLTV)
Investigating agency: ATSB
Narrative:
The Yakovlev Yak-9UM aeroplane, registered VH-YIX, departed Latrobe Regional Airport, Australia, for a local private flight. The aircraft was observed by witnesses to the north of Moe, Victoria performing aerobatic manoeuvers. A short time later the aircraft impacted the ground in a steep nose‑down attitude, fatally injuring the pilot and destroying the aircraft.

Contributing factors:
- While conducting aerobatic manoeuvers, the aircraft entered a spin and impacted terrain.
- The pilot initiated aerobatics lower than his flight activity endorsement permitted and well below the height required to safely recover the YAK 9 from a spin.
- The pilot had limited experience and recency in the YAK 9 and had not previously conducted aerobatics in the aircraft. He was therefore likely unaware of its unique handling characteristics and not adequately prepared to conduct the solo aerobatic flight.

Other factors that increased risk:
- The rear canopy was unsecured before take-off and consequently separated from the aircraft during flight. This increased the risk of damage to aircraft structure, distraction of the pilot and possibly adverse handling qualities.
- Post-accident examination of the aircraft identified incomplete maintenance practices, including inadequate airframe anti‑corrosion measures and insecure primary flight controls and seat fasteners.
- The aircraft was operated without the maintenance release or the flight manual, which deprived the pilot of important operational and maintenance‑related information.

Sources:

https://m.facebook.com/atsbgovau/photos/a.1655527014665323/2171676679717018/?type=3&theater
https://www.news.com.au/travel/travel-updates/incidents/police-investigating-light-plane-crash-in-country-victoria/news-story/6d149767b82c36242c20c2eff4f0d244
https://www.9news.com.au/videos/national/cjlrkvnin000x0it2v8uci5ew/attempted-murderers-almost-blow-themselves-up-in-calwell-shooting

Data________________________

https://www.casa.gov.au/aircraft-register?search_api_views_fulltext=&vh=YIX&field_ar_serial=
Previous incident of VH-YIX, 2015 : https://aviation-safety.net/wikibase/wiki.php?id=179310

ATSB_______________________

https://www.atsb.gov.au/publications/investigation_reports/2018/aair/ao-2018-061/

Accident investigation:
cover
  
Investigating agency: ATSB
Status: Investigation completed
Duration: 1 year and 9 months
Download report: Final report


Images:

Photo of VH-YIX courtesy AirHistory.net


Tyabb (YTYA)
22 February 2014; (c) Matt Savage


Photo: Robert Frola, 15 March 2009



Avalon, Victoria, 27MAR2007


Photo: ATSB

Revision history:

Date/timeContributorUpdates
07-Sep-2018 07:15 Iceman 29 Added
07-Sep-2018 07:32 Iceman 29 Updated [Total fatalities, Total occupants, Other fatalities, Location, Source, Embed code, Damage, Narrative]
07-Sep-2018 07:32 Iceman 29 Updated [Embed code, Narrative]
07-Sep-2018 07:33 Iceman 29 Updated [Time]
07-Sep-2018 07:45 Iceman 29 Updated [Embed code]
07-Sep-2018 07:48 Iceman 29 Updated [Total fatalities, Embed code]
07-Sep-2018 07:56 Iceman 29 Updated [Registration, Phase, Source]
07-Sep-2018 09:28 harro Updated [Registration, Cn, Operator, Nature, Photo]
07-Sep-2018 09:31 harro Updated [Source]
07-Sep-2018 11:34 Iceman 29 Updated [Source, Embed code]
07-Sep-2018 11:56 Iceman 29 Updated [Source, Embed code, Narrative, Photo]
07-Sep-2018 16:16 Aerossurance Updated [Location, Narrative]
09-Sep-2018 07:39 Libfan Updated [Photo]
15-Nov-2018 11:35 Iceman 29 Updated [Nature, Departure airport, Source, Narrative]
17-Jun-2020 08:24 harro Updated [Time, Phase, Departure airport, Destination airport, Narrative, Photo, Accident report, ]
17-Jun-2020 08:33 harro Updated [Location, Departure airport, Destination airport, Accident report, ]

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