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ATSB-AO-2015-050

ATSB-AO-2015-050
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  • 155 Downloads
  • 289.25 KB File Size
  • 1 File Count
  • August 8, 2016 Create Date
  • August 8, 2016 Last Updated
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Separation Issue Involving a Cessna 208, and a Cessna 207

ATSB-AO-2015-050 Separation Issue Involving a Cessna 208, and a Cessna 207

On 15 May 2015, at about 0600 Western Standard Time (WST), a Cessna 207 aircraft, registered
VH-WOX (WOX), departed Kununurra Airport, Western Australia, for a local scenic charter flight
with a pilot and four passengers on board. A few minutes later, a Cessna 2088 (Caravan) aircraft,
registered VH-LNH (LNH), also departed Kununurra for a local scenic charter flight, operated by
another company, with a pilot and 12 passengers on board. Three other Cessna Caravan aircraft
from that company departed at around the same time, with LNH the third of the four Caravans in
sequence.

The pilot of WOX reported maintaining visual and listening awareness of the other aircraft
throughout the scenic flight. On returning to Kununurra, the company procedure for WOX was to
overfly the airfield at 2,000 ft then descend about 5 NM to the north before returning and joining
the circuit on base leg for runway 12. The company procedure for LNH was to approach the
airfield from the south and join the circuit on the crosswind leg for runway 12. While conducting
aerial work to the north of the field, the pilot of WOX heard the pilots of the first two of the
Caravans broadcast inbound calls on the common traffic advisory frequency (CTAF).

At about 0812,1 when about 5 NM from the airfield on an extended base leg, the pilot of WOX
broadcast that they had completed airwork and were tracking to join on base for runway 12
(Figure 1). At the time, the first of the Caravans had landed and the pilot of the second Caravan,
then ahead of WOX, had broadcast turning base. About 10 seconds later, LNH broadcastjoining
midfield crosswind. Eight seconds after the broadcast from LNH, the pilot of WOX reported being
about 2 NM from the runway, on base leg. The pilot of WOX then broadcast that they had both the
aircraft ahead on final approach, and LNH abeam WOX and turning downwind, in sight.

The pilot of LNH reported conducting an oval-shaped circuit pattern, flying a curved base leg with
a constant left turn from the downwind leg to the final leg for runway 12. After commencing the
turn, the pilot of LNH reported hearing the broadcast from WOX stating they had LNH in sight. The
pilot of LNH did not sight WOX and assumed the pilot would sequence to join the circuit behind
LNH.

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ATSB-AO-2015-050

ATSB-AO-2015-050
  • Version
  • 155 Downloads
  • 289.25 KB File Size
  • 1 File Count
  • August 8, 2016 Create Date
  • August 8, 2016 Last Updated
Scroll for Details

Separation Issue Involving a Cessna 208, and a Cessna 207

ATSB-AO-2015-050 Separation Issue Involving a Cessna 208, and a Cessna 207

On 15 May 2015, at about 0600 Western Standard Time (WST), a Cessna 207 aircraft, registered
VH-WOX (WOX), departed Kununurra Airport, Western Australia, for a local scenic charter flight
with a pilot and four passengers on board. A few minutes later, a Cessna 2088 (Caravan) aircraft,
registered VH-LNH (LNH), also departed Kununurra for a local scenic charter flight, operated by
another company, with a pilot and 12 passengers on board. Three other Cessna Caravan aircraft
from that company departed at around the same time, with LNH the third of the four Caravans in
sequence.

The pilot of WOX reported maintaining visual and listening awareness of the other aircraft
throughout the scenic flight. On returning to Kununurra, the company procedure for WOX was to
overfly the airfield at 2,000 ft then descend about 5 NM to the north before returning and joining
the circuit on base leg for runway 12. The company procedure for LNH was to approach the
airfield from the south and join the circuit on the crosswind leg for runway 12. While conducting
aerial work to the north of the field, the pilot of WOX heard the pilots of the first two of the
Caravans broadcast inbound calls on the common traffic advisory frequency (CTAF).

At about 0812,1 when about 5 NM from the airfield on an extended base leg, the pilot of WOX
broadcast that they had completed airwork and were tracking to join on base for runway 12
(Figure 1). At the time, the first of the Caravans had landed and the pilot of the second Caravan,
then ahead of WOX, had broadcast turning base. About 10 seconds later, LNH broadcastjoining
midfield crosswind. Eight seconds after the broadcast from LNH, the pilot of WOX reported being
about 2 NM from the runway, on base leg. The pilot of WOX then broadcast that they had both the
aircraft ahead on final approach, and LNH abeam WOX and turning downwind, in sight.

The pilot of LNH reported conducting an oval-shaped circuit pattern, flying a curved base leg with
a constant left turn from the downwind leg to the final leg for runway 12. After commencing the
turn, the pilot of LNH reported hearing the broadcast from WOX stating they had LNH in sight. The
pilot of LNH did not sight WOX and assumed the pilot would sequence to join the circuit behind
LNH.

FileAction
ATSB-AO-2015-050 Separation Issue Involving a Cessna 208, and a Cessna 207.pdfDownload 
17,005 Documents in our Technical Library
2450010 Total Downloads

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Newest Additions

NASA-RP-1060 Subsonic Aircraft: Evolution and the Matching of Size to Performance
NASA-RP-1060 Subsonic Aircraft: Evolution and the Matching of Size to Performance
AA-CP-20212-001
AA-CP-20212-001
ADPO10769 Occurrence of Corrosion in Airframes
The purpose of this lecture is to provide an overview ...
MIL-STD-1759 Rivets and Rivet Type Fasteners Preferred for Design
The purpose of this book form standard is to provide ...
MIL-STD-810G Environmental Engineering Considerations and Laboratory Tests
This standard contains materiel acquisition program planning and engineering direction ...