Crash of a Britten-Norman BN-2A-2 Trislander III near Sampit: 17 killed

Date & Time: Oct 25, 1991
Type of aircraft:
Operator:
Registration:
PK-KTC
Flight Phase:
Survivors:
No
Site:
Schedule:
Palangkaraya - Sampit
MSN:
1017
YOM:
1975
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
15
Pax fatalities:
Other fatalities:
Total fatalities:
17
Circumstances:
Upon arrival in Sampit, the crew encountered poor weather conditions and the captain decided to initiate a go-around and to follow a holding circuit for weather improvement. The aircraft turned for about three hours over the area when it crashed in a mountainous area located few km from Sampit. All 17 occupants were killed.
Probable cause:
It is believed that the crew lost control of the airplane following a triple engine failure due to a fuel exhaustion.

Crash of a Cessna 402A in Ketapang: 1 killed

Date & Time: Oct 8, 1991
Type of aircraft:
Operator:
Registration:
PK-WWE
Survivors:
Yes
MSN:
402A-0002
YOM:
1979
Country:
Region:
Crew on board:
1
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
On final approach to Ketapang Airport, the twin engine aircraft crashed in unknown circumstances few hundred metres short of runway threshold. A passenger was killed while eight other occupants were injured.

Crash of a Lockheed C-130H-30 Hercules in Jakarta: 135 killed

Date & Time: Oct 5, 1991 at 1500 LT
Type of aircraft:
Operator:
Registration:
A-1324
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Jakarta - Bandung
MSN:
4927
YOM:
1982
Country:
Region:
Crew on board:
12
Crew fatalities:
Pax on board:
122
Pax fatalities:
Other fatalities:
Total fatalities:
135
Circumstances:
The four engine aircraft was returning to Bandung, carrying 122 airmen who had just took part to the annual Armed Forces Day ceremony at Jakarta-Halim Perdanakusuma Airport. One minute after takeoff, while in initial climb, the crew declared an emergency and reported engine problems. After being cleared to return for an emergency landing, the crew lost control of the airplane that stalled and crashed on a building housing the Department of Labour. A passenger survived while 133 other occupants were killed as well as two security guards working in the building.
Probable cause:
Loss of control after the engine n°3 caught fire during initial climb for unknown reasons.

Crash of a PZL-Mielec AN-2R near Bayan

Date & Time: Sep 21, 1991
Type of aircraft:
Operator:
Registration:
HA-MEV
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Berlin - Sydney
MSN:
1G194-29
YOM:
1981
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The single engine aircraft departed Berlin on July 26, taking part to an international Rally to Sydney, Australia. Already 40 en route stops were completed and few minutes after his departure from Bima Airstrip, the crew encountered engine problems and elected to make an emergency landing when the aircraft crash landed near Bayan, Lombok. All seven occupants escaped with minor injuries and the aircraft was damaged beyond repair.
Probable cause:
The engine caught fire in flight for unknown reasons. Brand new, the engine was changed prior to departure from Berlin.

Crash of a Britten-Norman BN-2A-21 Islander in Sampit: 3 killed

Date & Time: Sep 3, 1991
Type of aircraft:
Operator:
Registration:
PK-VIP
Flight Phase:
Survivors:
Yes
Schedule:
Sampit - Palangkaraya
MSN:
752
YOM:
1975
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
3
Circumstances:
After takeoff from Sampit Airport, while climbing, the right engine lost power. The crew initiated a left turn in an attempt to return to the airport when the aircraft stalled and crashed in the Mentaya River. Both pilots and a passenger were killed, all seven other occupants were injured.
Probable cause:
Loss of power on the right engine during initial climb for unknown reasons.

Crash of a Piper PA-31-350 Navajo Chieftain in Bengkalis: 5 killed

Date & Time: Jul 10, 1991
Operator:
Registration:
PK-PNR
Flight Phase:
Survivors:
No
Location:
Country:
Region:
Crew on board:
1
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
5
Circumstances:
The twin engine aircraft departed Simpang Tiga on an executive flight, carrying four passengers and one pilot. En route, the aircraft suffered a structural failure, entered a dive and crashed in a wooded area located near Bengkalis. All five occupants were killed.
Probable cause:
Maneuver beyond the flight envelope was executed, so that the structure failed and the aircraft disintegrated.

Crash of a Fokker F27 Friendship 600 near Banyutami

Date & Time: Jun 5, 1991
Type of aircraft:
Operator:
Registration:
PK-JFF
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Surabaya - Surabaya
MSN:
10410
YOM:
1969
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew departed Surabaya-Juanda Airport on a training flight. While cruising at an altitude of 9,000 feet about 64 km northwest of Surabaya, the crew attempted stalls without engine power when the aircraft lost height and descended to 1,500 feet. The crew attempted an emergency landing when the aircraft struck an electric pole and crashed on a sandy area. Both pilots were injured and the aircraft was destroyed.

Crash of a Fokker F27 Friendship 600 near Manado: 13 killed

Date & Time: May 9, 1991 at 0237 LT
Type of aircraft:
Operator:
Registration:
PK-MFD
Survivors:
No
Site:
Schedule:
Ambon - Ternate - Manado
MSN:
10399
YOM:
1969
Flight number:
MZ7533
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
13
Circumstances:
The aircraft departed Ternate Airport at 0153LT on the second leg of a flight from Ambon to Manado. While descending by night to Manado-Sam Ratulangi Airport, the crew encountered limited visibility due to poor weather conditions when the aircraft struck the slope of Mt Klabat located 15 km southeast of runway 36 threshold. The aircraft was destroyed upon impact and all 13 occupants were killed. It was raining at the time of the accident and the mountain was shrouded in clouds.
Probable cause:
Controlled flight into terrain.

Crash of a Casa 212 Aviocar 200 near Gorontalo: 1 killed

Date & Time: Jan 30, 1991 at 1300 LT
Type of aircraft:
Operator:
Registration:
PK-NCY
Flight Phase:
Survivors:
Yes
Site:
Schedule:
Manado - Gorontalo
MSN:
258/78N
YOM:
1985
Flight number:
MZ540
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
18
Pax fatalities:
Other fatalities:
Total fatalities:
1
Circumstances:
The approach to Gorontalo-Jalaluddin Airport was initiated in thunderstorm activity with heavy rain falls. Too low, the airplane struck the slope of a mountain (1,500 meters high) located about 59 km from the airport. The wreckage was found about 30 meters below the summit. A passenger aged 80 died while all other occupants were rescued.
Probable cause:
For undetermined reasons, the crew started the approach prematurely, causing the aircraft to descend below the minimum safe altitude. The lack of visibility was a contributing factor.

Crash of a De Havilland DHC-6 Twin Otter 300 in Labuan Bajo

Date & Time: Apr 3, 1990
Operator:
Registration:
PK-NUQ
Flight Phase:
Survivors:
Yes
Schedule:
Labuan Bajo – Denpasar
MSN:
488
YOM:
1976
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After liftoff from Labuan Bajo-Mutiara Airport, while in initial climb, the left engine oversped. The crew elected to make an emergency landing when the aircraft struck rocks then crashed in a ravine. All 17 occupants were injured.
Probable cause:
Loss of control during initial climb after the left engine oversped for unknown reasons.