Crash of a Cessna 402C in Hyannis

Date & Time: Apr 12, 1987 at 1115 LT
Type of aircraft:
Operator:
Registration:
N87PB
Survivors:
Yes
Schedule:
Hyannis - Nantucket
MSN:
402C-0639
YOM:
1982
Crew on board:
1
Crew fatalities:
Pax on board:
8
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
2629
Captain / Total hours on type:
550.00
Aircraft flight hours:
6032
Circumstances:
Shortly after the initial power reduction during takeoff, the pilot noted a partial loss of power in the right engine. He said he 'went to full power on both engines' and noted an 'extremely high' fuel flow indication to the right engine. He said, 'thinking that the engine was flooding, I placed the boost pump switch from high to off to possibly eliminate the problem with no result. I then placed the pump back to high and tried to decrease the fuel flow by leaning the mixture. This also did not seem to eliminate the problem.' While troubleshooting the problem, he turned to a downwind and stayed in the traffic pattern, but could not maint altitude. Subsequently, a wheels-up landing was made in an area of small trees approximately 1/2 mile before reaching runway 24. An examination of the right engine revealed the spark plugs were wet with fuel and black with soot. Also, its #5 fuel nozzle had been cross-threaded and was knocked out of its hole during impact. During an initial test, the right fuel pressure sensing switch did not sense operating pressure (over 6 psi); this would have resulted in a high boost/fuel flow condition. Later, the switch was tested ok. All nine occupants escaped uninjured.
Probable cause:
Occurrence #1: loss of engine power (partial) - mech failure/malf
Phase of operation: takeoff - initial climb
Findings
1. (f) fuel system - pressure excessive
2. (f) powerplant controls - improper use of - pilot in command
----------
Occurrence #2: forced landing
Phase of operation: descent - emergency
Findings
3. (c) emergency procedure - improper - pilot in command
----------
Occurrence #3: in flight collision with terrain/water
Phase of operation: landing - flare/touchdown
Findings
4. (f) terrain condition - high vegetation
Final Report:

Crash of a Piper PA-31-310 Navajo in Nantucket

Date & Time: Apr 6, 1985 at 1815 LT
Type of aircraft:
Operator:
Registration:
N68DD
Survivors:
Yes
Schedule:
Hyannis - Nantucket
MSN:
31-532
YOM:
1969
Crew on board:
1
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
0
Captain / Total flying hours:
5800
Captain / Total hours on type:
370.00
Aircraft flight hours:
6878
Circumstances:
Aircraft collided with trees during final approach to runway 24. No evidence of pre-impact failure or malfunction of the aircraft was found. Reported weather at crash site indefinite 100 feet sky obscured. RVR 2,400 feet. Aircraft should have encountered a decreasing headwind and probably moderate turbulence on the final descent. The aircraft was destroyed and all eight occupants were injured, three seriously.
Probable cause:
Occurrence #1: in flight encounter with weather
Phase of operation: approach - iaf to faf/outer marker (ifr)
----------
Occurrence #2: in flight collision with terrain/water
Phase of operation: approach - faf/outer marker to threshold (ifr)
Findings
1. (c) minimum descent altitude - below - pilot in command
2. (f) anxiety/apprehension - pilot in command
3. (c) descent - not corrected - pilot in command
4. (f) missed approach - not performed - pilot in command
Final Report:

Crash of a Beechcraft G18S in Hyannis: 2 killed

Date & Time: May 23, 1981 at 0555 LT
Type of aircraft:
Operator:
Registration:
N75LA
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Hyannis - Nantucket
MSN:
BA-527
YOM:
1960
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Captain / Total flying hours:
3500
Captain / Total hours on type:
171.00
Circumstances:
Shortly after takeoff from Hyannis-Barnstable Airport, while on a cargo flight to Nantucket, the twin engine airplane entered an uncontrolled descent and crashed. Both occupants were killed.
Probable cause:
Uncontrolled collision with ground during initial climb due to inadequate preflight preparation on part of the pilot-in-command. The following contributing factors were reported:
- Improperly loaded aircraft,
- Approximately 1,551 lbs over max gross weight,
- CofG 31,25 inches behind aft CG limit.
Final Report:

Crash of a Lockheed C-121H Super Constellation off Nantucket: 15 killed

Date & Time: Apr 25, 1967 at 1905 LT
Operator:
Registration:
53-0549
Flight Phase:
Survivors:
Yes
Schedule:
Otis - Otis
MSN:
4364
YOM:
1955
Crew on board:
4
Crew fatalities:
Pax on board:
12
Pax fatalities:
Other fatalities:
Total fatalities:
15
Circumstances:
The four engine airplane departed Otis AFB at 1858LT on a maritime patrol flight. Shortly after takeoff, the crew informed ground about the failure of the engine number three that caught fire and was cleared to divert to Nantucket for an emergency landing. While approaching Nantucket Island, the airplane went out of control and crashed into the sea. A passenger survived while all 15 other occupants were killed. The plane was piloted by Col James P. Lyle Jr., commander of the 551st Airborne Early Warning and Control Wing based at Otis. The survivor was the navigator, Lt Joseph H. Guenet from Montreal, Quebec.
Probable cause:
Engine fire during initial climb.

Crash of a Convair CV-240-2 in Nantucket: 25 killed

Date & Time: Aug 15, 1958 at 2334 LT
Type of aircraft:
Operator:
Registration:
N90670
Survivors:
Yes
Schedule:
LaGuardia – Nantucket
MSN:
90
YOM:
1948
Flight number:
NE258
Crew on board:
3
Crew fatalities:
Pax on board:
31
Pax fatalities:
Other fatalities:
Total fatalities:
25
Captain / Total flying hours:
5603
Captain / Total hours on type:
1416.00
Copilot / Total flying hours:
614
Copilot / Total hours on type:
132
Aircraft flight hours:
18019
Circumstances:
During a night approach to Nantucket, the aircraft went through an area of fog. The crew decided to continue the approach when the airplane struck the ground, crashed and burned about 1,450 feet short of runway 24. All three crew members and 22 passengers were killed while nine others were injured, some of them seriously.
Probable cause:
The Board determines that the probable cause of this accident was the deficient judgment and technique of the pilot during an instrument approach in adverse weather conditions in failing to abandon the approach when a visibility of one-eights mile was reported, and descending to a dangerously low altitude while still a considerable distance from the runway.
Final Report:

Crash of a De Havilland DH.104 Dove 2A in York

Date & Time: Oct 2, 1952
Type of aircraft:
Operator:
Registration:
N1515V
Flight Phase:
Survivors:
Yes
Schedule:
York - Nantucket
MSN:
04336
YOM:
1952
Crew on board:
1
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Shortly after takeoff from York Airport, one of the engine failed. The pilot attempted an emergency landing when the aircraft crash landed in a field and came to rest, bursting into flames. All six occupants were injured.

Crash of a Stinson Model U in Nantucket

Date & Time: Sep 3, 1938
Type of aircraft:
Operator:
Registration:
NC12121
Survivors:
Yes
MSN:
9009
YOM:
1932
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Suffered an accident in Nantucket and was destroyed by fire. There were no casualties.