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The twin engine aircraft, with a pilot and a flight nurse on board, was being operated by Skymaster Air Services under the instrument flight rules (IFR) on a flight from Bankstown Airport, New South Wales (NSW) to Archerfield Airport, Queensland. The aircraft was being positioned to Archerfield for a medical patient transfer flight from Archerfield to Albury, NSW. The aircraft departed Bankstown at 0740 Eastern Standard Time. At 0752, the pilot reported to air traffic control (ATC) that he was turning the aircraft around as he was having ‘a few problems. At about 0806, the aircraft collided with a powerline support pole located on the eastern side of the intersection of Sackville Street and Canley Vale Road, Canley Vale, NSW. The pilot and flight nurse sustained fatal injuries and the aircraft was destroyed by impact damage and a post-impact fire.

The twin engine aircraft departed Guatemala City-La Aurora Airport at 0840LT on a flight to San Salvador-Ilopango Airport, carrying two passengers and one pilot. About 4-5 minutes after takeoff, while climbing in IMC conditions, the pilot reported technical problems with the instruments and was cleared for an immediate return. Shortly later, the aircraft entered an uncontrolled descent and crashed in a meat packing plant located in the approach path. The aircraft was destroyed by impact forces as well as the building. All three occupants as well as one people in the factory were killed.

The airplane was loaded more than 500 pounds (about 12 percent) over the certificated maximum gross weight. The airplane lifted off from the 3,500-foot-long runway about one-half to two-thirds down the length of the runway. The pilot retracted the airplane's landing gear and flaps before reaching the airplane manufacturer's recommended retraction speeds. The airplane was unable to gain sufficient altitude and subsequently impacted trees and a house located beyond the departure end of the runway. A postaccident examination of the wreckage and recorded non-volatile memory revealed no evidence of any preimpact mechanical abnormalities.

During takeoff, one witness noted that at least one engine seemed to be running rough and not making power. Several other witnesses, located about 1/2 mile northwest of the airport, observed the accident airplane pass overhead in a right turn. They reported that the engine noise did not sound normal. Two of the witnesses noted grayish black smoke emanating from the airplane. The airplane then rolled left and descended nose down into the front yard of a residence. Review of maintenance records revealed the airplane underwent an annual inspection and extensive maintenance about 3 months prior to the accident. One of the maintenance issues was to troubleshoot the right engine that was reportedly running rough at cruise. During the maintenance, the right engine fuel pump, metering valve, and fuel manifold were removed and replaced with overhauled units. Additionally, the right engine fuel flow was reset contrary to procedures contained in an engine manufacturer service information directive; however, the fuel pump could not be tested due to thermal damage and the investigation could not determine if the fuel flow setting procedure contributed to the loss of power on the right engine. On-scene examination of the wreckage and teardown examination of both engines did not reveal any preimpact mechanical malfunctions. Teardown examination of the right propeller revealed that the blades were not at or near the feather position, which was contrary to the emergency procedure published by the manufacturer, to secure the engine and feather the propeller in the event of an engine power loss. The right propeller exhibited signatures consistent with low or no power at impact, while the left propeller exhibited signatures consistent of being operated with power at impact.

Shortly after takeoff from Cotabato City Airport, while in initial climb, the twin engine aircraft lost height and crashed in a residential area near the airport. The aircraft was destroyed and all 8 occupants were killed as well as one person on ground. It it believed that one of the engine failed shortly after rotation.

The visibility at the time of the accident was 1/2 mile with fog and the vertical visibility was 100 feet. A witness stated that the pilot checked the weather, but that he appeared to be in a hurry and took off without performing a preflight inspection of the aircraft. After takeoff, air traffic control instructed the pilot to turn left to a heading of 270 degrees. The pilot reported to the controller that he was at 1,300 feet climbing to 3,000 feet and the controller cleared the pilot to climb to 4,000 feet; the pilot acknowledged the clearance. Witnesses on the ground noted that the airplane was loud; one witness located about 1.5 miles from the departure airport reported that the airplane flew overhead at treetop height. The airplane impacted trees and a residence about 2.3 miles north-northeast of the departure airport. The airplane's turning ground track and the challenging visibility conditions were conducive to the onset of pilot spatial disorientation. Post accident inspection failed to reveal any mechanical failure that would have resulted in the accident. The pilot purchased the airplane about three months prior to the accident; at that time he reported having 72.6 hours of instrument flight experience and 25 hours of multi-engine experience, with none in the accident airplane make and model. After purchasing the airplane, the pilot received 52 hours of flight instruction in the accident airplane in 7 days. Logbook records were not located to establish subsequent flight experience.

The aircraft was completing a ferry flight from Ujung Tanjung/Pekanbaru home base to Tangar airstrip, Center of Kalimantan, with reference flight approval number D09-038960 and Security Clearance number AU05-033328, person on board was one pilot and one engineer. On 29 December 2009, the aircraft departed from Ujung Tanjung, transit at Jambi and stop overnight at Pangkal Pinang Airport, Bangka with total flight time was 3 hours. On the next day 30 December 2009, the aircraft continuing flight from Pangkal Pinang to Rahadi Oesman Airport, Ketapang, West Kalimantan and overnight at Ketapang with total flight time is 1:40 hours. On the next day 31 December 2009, the aircraft plan to continued flight to Tangar Airstrip. The aircraft was airworthy prior departure and dispatched from Ketapang with the following sequence:
a. The pilot requested for start the engine at 01:17 UTC4 (08:17 Local Time);
b. At 01:24 the pilot requested for taxi, and the ATC gave clearance via taxiway “A”. The pilot requested intersection runway 17 and approved by ATC
c. The ATC requested for reported when ready for departure, and the pilot reported ready for departure, then the ATC gave the departure clearance.
d. At 01:25, the aircraft was departed and crashed at 01:26 striking the roof of the hospital and broken down into pieces at the parking area in which have had approximate 1.5 Kilometer to the left side from the flight path centreline. The aircraft was substantially damage and the crew on board consist of one pilot in command and one aircraft maintenance engineer; both of them were fatally injured.

On October 17, 2009at about 12:04 pm, RP-C550 a DC-3type of aircraft took off from Manila Domestic airport bound for Puerto Princesa, Palawan. Approximately 5 mins after airborne, the Pilot-in-Command (PIC) informed Manila Tower that they were turning back due to technical problem. The PIC was asked by the air controller whether he was declaring an “emergency” and the response was negative. The PIC was directed to proceed South Mall and wait for further instruction (a standard procedures for VFR arrivals for runway 13). At South Mall, RP-C550 was cleared to cross the end of runway 06, still without declaring an emergency. The tower controller sensed that something was wrong with the aircraft due to its very low altitude, immediately granted clearance to land runway 06. However, the aircraft was not able to make it to runway 06. At about 12:14, RP-C550 crashed at an abandoned warehouse in Villa Fidela Subd., Brgy. Elias Aldana Las Piñas City about 4 kms. from the threshold of runway 06. As a result, the aircraft was totally destroyed and all aboard suffered fatal injuries due to impact and post crash fire.

The aircraft, a Beechcraft model BE-99, s/n U79, with French registration F-BTME, belonging to the operator “Avioarte Serviços Aéreos, Lda”, was involved all that day, 14th of August, 2009, flying locally, carrying parachutists for skydiving exercises, in the vicinity of Évora aerodrome (LPEV), working for the enterprise “Skydive”. With twelve full equipped parachutists and one pilot on board, the aircraft took-off on runway 01 at 18:47, intending to climb to an altitude of 13000ft (4000m), at which altitude the jumping would take place. When passing about 9500ft (2900m), left engine (#1) flame-out and respective propeller was automatically feathered. The pilot stop climb at around 10500ft (3200m), informed the parachutists that one engine had stopped and they should jump a little lower than it was expected, while he would proceed for landing at same aerodrome, with one engine inoperative. All parachutists left the aircraft, on sequence, but one, who, after being next to the exit, returned to the cockpit and remained on board, with the pilot. The aircraft started a dive, turning around the field, and the pilot contacted the tower on left base leg for runway 01, but said nothing about the inoperative engine or any assistance required. He was told to report on final, which he never did. He continued the approach for runway 01, with landing gear down and flaps at initial setting (13º), but keeping high speed. The aircraft made a low pass, over all runway length, without the wheels touching the ground. Once passing runway end it continued flying, the pilot increased power on right engine (#2) and the aircraft started deviating to the left, with wings levelled and without showing significant climb tendency. Observers, at the aerodrome, lost the sight of the aircraft for some moments and saw it reappearing close to Almeirim residential quarter (in the outskirts of Évora). One testimony, sited at the aerodrome, referred seeing the aircraft executing a sudden manoeuvre, like a left roll, pointing the wheels up to the sky. Moments later a collision sound was heard, the engine became silent and some flames and a black smoke cloud appeared. The aircraft collided with a residential building, in Maria Auxiliadora street, Almeirim residential quarter, sited about 1160m far from runway end, on track 330º. After the collision with the building, the aircraft fell to the ground, upside-down, a fire sparked immediately and the plane was engulfed by flames. Fire brigades from Évora, Viana do Alentejo, Montemor-o-Novo and Arraiolos arrived at the scene, promptly, but it took some time for the fire to be extinguished (after burning all aircraft fuel) and the burned bodies recovered from the wreckage.

The airplane, a Vulcan Air PA68 Observer 2, registration EC-IPG, had taken off from Sabadell airport to conduct a local flight. Onboard were the instructor and a pilot who was being tested for a CRI (SPA) (Class Rating Instructor). As they were flying over the town of Sant Pere de Vilamajor (Barcelona), the aircraft plunged to the ground, falling within the property limit of a private dwelling (a chalet). Several eyewitnesses reported that they stopped hearing the engine noise and that they then saw the airplane spinning in a nose down attitude. The front part of the airplane (cockpit) impacted the ground first. The crash resulted in a fire, the flames from which reached a part of the aircraft and an arbor next to the house, but not the house itself, though it was affected by the smoke. The two occupants perished immediately and were trapped inside the airplane. They were extracted by emergency personnel. The aircraft was destroyed by the impact and subsequent fire. The post-accident inspection did not reveal any signs of a fault or malfunction of any aircraft component. It has been determined that the accident resulted from a stall caused by flying the aircraft at a low speed. It has also been concluded that there were three contributing factors: the low altitude, the very likely possibility that the crew did not establish guidelines for action prior to the flight and the absence of an authority gradient between the crew members.