Crash of a Rockwell Grand Commander 680E in Quesnel

Date & Time: Oct 16, 1979
Registration:
C-GFAC
Flight Phase:
Flight Type:
Survivors:
Yes
MSN:
680-0837-68
YOM:
1959
Country:
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The pilot encountered technical problems and decided to attempt an emergency landing in Quesnel. The aircraft was damaged beyond repair while the pilot, sole on board, was uninjured.

Crash of a De Havilland DHC-2 Beaver at Otter Lake: 6 killed

Date & Time: Oct 9, 1979
Type of aircraft:
Registration:
C-GPVE
Flight Phase:
Survivors:
No
MSN:
423
YOM:
1952
Country:
Crew on board:
1
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
After takeoff from Otter Lake, SK, while in initial climb, the single engine airplane initiated a left turn then a right turn. It rolled left and right then pitched down and crashed in a wooded area. The aircraft was destroyed and all six occupants were killed.
Probable cause:
The exact cause of the accident could not be determined with certainty. However, it was determined that the aircraft was equipped with only two safety belts with six people on board. Also, it was reported that the total weight of the aircraft at the time of the accident was 455 lbs above max gross weight.

Crash of a De Havilland DHC-6 Twin Otter 200 in Sechelt: 2 killed

Date & Time: Sep 30, 1979 at 1300 LT
Registration:
C-FWAF
Survivors:
Yes
Schedule:
Vancouver – Sechelt – Powell River
MSN:
122
YOM:
1968
Flight number:
106
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
13815
Circumstances:
Flight 106 was a schedule service from Vancouver to Powell River with an intermediate stop at Sechelt. The flight to Sechelt was uneventful. While approaching Porpoise Bay at Sechelt, at an altitude of 200 feet, the twin engine airplane rolled to the right in an angle of 90° then nosed down and crashed on the east shore of the bay, about 50 meters from the water. The captain and a passenger were killed while 14 other occupants were injured, four of them seriously.
Probable cause:
The right-hand aileron bellcrank-to-aileron rod had separated from the bellcrank end fitting due to an extensive stress corrosion crack. This allowed the right-hand aileron to move up, causing asymmetric lift and irretrievable loss of control. The specified visual inspection of the rods was inadequate to detect stress corrosion cracking. Previous similar failures of flap rods on the DHC-6 had led to airworthiness action by the manufacturer and the DOT but these measures were not applied to the aileron rods which are of similar construction.

Crash of a Britten-Norman BN-2A-7 Islander in Blinkhorn Point: 4 killed

Date & Time: Sep 18, 1979
Type of aircraft:
Operator:
Registration:
C-FZVV
Flight Phase:
Survivors:
Yes
Site:
Schedule:
Comox - Port Hardy
MSN:
238
YOM:
1971
Country:
Crew on board:
1
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
En route from Comox to Port Hardy, the pilot encountered poor weather conditions with limited visibility due to thick fog. The twin engine airplane struck tree tops and crashed on hilly terrain located in Blinkhorn Point, Victoria Island. Four passengers were killed while five other occupants were injured.
Probable cause:
Controlled flight into terrain.

Crash of a De Havilland DHC-2 Beaver in Shoal Harbour: 6 killed

Date & Time: Sep 6, 1979
Type of aircraft:
Registration:
C-FODS
Flight Phase:
Survivors:
No
Schedule:
Shoal Harbour - Campbell River
MSN:
984
YOM:
1956
Country:
Crew on board:
1
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
The aircraft, with pilot and five passengers on board was being flown from Shoal Harbour to Campbell River. The flight was the scheduled service operated daily from Campbell River with several stops along the coast and returning to Campbell River. On arrival at Shoal Harbour dock area, the aircraft was docked and one passenger got on board. The aircraft taxied out for departure. The take-off was from the harbour in a south easterly direction. Shortly after the lift-off from the water, and at a height of 100 feet, the aircraft made a 180° turn to the left and dived into the ground at an angle of 30°. The crash site was just inside the tree line and approximately 50 feet from the water’s edge. The plane exploded on impact and burned. One passenger walked out from the wreckage seconds after the crash but died in hospital at Vancouver the same day. There were therefore no survivors.
Probable cause:
The exact cause of the accident could not be determined. As far as could be determined the aircraft was serviceable prior to impact.

Crash of a De Havilland DHC-3 Otter in Squaw Lake: 5 killed

Date & Time: Sep 4, 1979
Type of aircraft:
Operator:
Registration:
C-FFSU
Survivors:
Yes
Schedule:
Schefferville - Squaw Lake
MSN:
194
YOM:
1957
Country:
Crew on board:
1
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
6
Circumstances:
The aircraft had deployed to Schefferville to support the annual caribou hunt with a second aircraft, a Cessna 180 registered C-FHWR. Both aircraft were equipped with floats and were on converging courses towards the same seaplane base at Squaw Lake. The Cessna overtook and passed the Otter on the right and then crossed in front to establish a right hand circuit to the lake. The pilot of the Cessna had transmitted his landing intentions, which were interpreted by the Otter pilot to mean a bay in front of the company's base. Consequently, as the Cessna proceeded out of view to the left, the Otter pilot concentrated on his own approach to the lake. The Cessna however had turned to the right and was also making an approach to the same landing area - the two aircraft were again on converging courses. Some four to five seconds after the Cessna had landed, the left float of the Otter struck the Cessna's right wing and cowling. The Otter continued another 200 feet before touching down and as it did it overturned and sank because the left float and strut collapsed. Five of the eight people aboard the Otter perished in the crash. The right wing and cowling of the Cessna were damaged, but the aircraft stayed afloat with no injuries to pilot or passengers. While on final approach, the pilot of the Cessna saw the Otter to the right and slightly behind him and assumed it was on an approach parallel to him. The pilot of the Otter did not see the Cessna at any time during the approach.
(Courtesy of Karl E. Hayes).
Probable cause:
Pilot error.

Crash of a Grumman G-21A Goose in Prince Rupert: 7 killed

Date & Time: Aug 30, 1979
Type of aircraft:
Operator:
Registration:
C-FUVJ
Flight Phase:
Survivors:
Yes
MSN:
B006
YOM:
1943
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
The seaplane crashed in unknown circumstances in Prince Rupert. Three occupants were rescued while seven others were killed.

Crash of a De Havilland DHC-6 Twin Otter 300 in Frobisher Bay: 9 killed

Date & Time: Aug 29, 1979 at 2300 LT
Operator:
Registration:
C-GROW
Survivors:
No
Schedule:
Brevoort Island - Frobisher Bay
MSN:
415
YOM:
1974
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
9
Aircraft flight hours:
5286
Circumstances:
The airplane was being used for a series of flights between Frobisher (YFB) and Brevoort Island, a distance of 119 nm. These flights were conducted under visual flight rules (VFR) with a Flight Notification filed at Frobisher. Two return flights were accomplished without incident and the aircraft was flown back to Brevoort for another round trip. On the final flight the aircraft, with the same two pilots and with seven passengers, left Brevoort at 21:57 hours local time enroute to Frobisher. The pilots contacted Frobisher Flight Service Station (FSS) at 22:31 reporting at 6000 feet altitude estimating Frobisher in 15 minutes. Upon receiving the latest weather indicating conditions below VFR limits, they requested clearance for "Special VFR". This clearance was granted. Another weather report was transmitted by the Frobisher FSS giving the 22:44 observation in which the ceiling had lowered to 400 ft with the visibility at 8 miles and the wind from 190 deg M at 22 knots. The pilot stated they would make a front course ILS approach to runway 36 with a landing on 18. At 22:58 they were issued a clearance for an ILS approach. They subsequently reported outbound at procedure turn altitude and at that time confirmed their planned approach for runway 36 with circling for 18. This was the last radio transmission from C-GROW. The Twin Otter was seen flying north along the runway. It then struck high ground about 1200 feet east of the runway and about 100 feet above runway level. The aircraft was destroyed and all nine occupants were killed.
Probable cause:
The exact cause of the accident could not be determined with certainty. However, it is quite possible that there was low cloud over the terrain east of the runway; when the aircraft had nearly completed its turn, it entered low cloud and the crew lost visual contact; the crew continued the right turn probably expecting to become visual again because they knew that good visibility existed over the runway; they did not regain contact with the ground and runway environment however and impacted the higher ground to the east of the runway.

Ground fire of an Avro 748-259-2A in Moosonee

Date & Time: Jul 15, 1979 at 0600 LT
Type of aircraft:
Operator:
Registration:
C-GPAA
Flight Phase:
Flight Type:
Survivors:
Yes
MSN:
1675
YOM:
1970
Country:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The aircraft was loaded with two rubber cargo bladders, filled with 1600 Imp gallons of aviation gasoline. The aircraft was parked overnight, until at 05:40 the 2 crew members arrived to perform the pre-departure checks. A smell of Avgas fumes was detectable, but not stronger than on similar trips. The engines were started, and when the no. 1 engine reached idle rpm, the crew proceeded with after-start checks. When both alternators and the left generator were turned on, a violent explosion occurred in the cabin. The nose gear collapsed and the rear airstair was blown off. Both pilots managed to escape before a fierce fire consumed the aircraft.
Probable cause:
The reason for the accumulation and ignition of the vapours could no longer be definitely determined because of the complete destruction of the aircraft. However, the fact that the explosion occurred during the after-start check as electrical equipment was being turned on suggests equipment in the underfloor electrical bay as a probable source of ignition. Although such equipment is designed to be flameproof, the aircraft had an extensive repair history during which this protection may have been lost.

Crash of a Lockheed L-749 Constellation in Rivière-du-Loup

Date & Time: Jun 21, 1979
Registration:
C-GXKS
Survivors:
Yes
MSN:
2609
YOM:
1949
Country:
Crew on board:
4
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
While completing a crop spraying mission, the crew encountered technical problems and decided to divert to Rivière-du-Loup Airport for an emergency landing. After touchdown, the airplane was unable to stop within the remaining distance, overran, lost its undercarriage and came to rest few dozen meters further. All four crew members escaped uninjured while the aircraft was damaged beyond repair.
Probable cause:
Failure of the hydraulic system in flight, causing the brakes to be inoperative.