Accident Cessna 337F Super Skymaster N1734M,
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ASN Wikibase Occurrence # 35785
 
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Date:Friday 1 November 1991
Time:21:22 LT
Type:Silhouette image of generic C337 model; specific model in this crash may look slightly different    
Cessna 337F Super Skymaster
Owner/operator:Jerome Marcus
Registration: N1734M
MSN: 33701334
Total airframe hrs:3264 hours
Engine model:CONTINENTAL IO-360-C
Fatalities:Fatalities: 3 / Occupants: 3
Aircraft damage: Destroyed
Category:Accident
Location:Bullhead City, AZ -   United States of America
Phase: Approach
Nature:Private
Departure airport:Palm Springs, CA (PSP
Destination airport:Bullhead City, AZ (P06
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
DRG AN APCH TO A NEW RWY (34) AT NGT, THE ACFT DSCNDD INTO TRRN ABT 4000' SHORT OF THE RWY. THE OLD RWY (17/35) HAD RECENTLY BEEN CLOSED. THE NEW RWY (16/34) WAS APRX 1400' EAST OF THE OLD RWY & ABT 145' HIGHER. THE ARPT OPERATOR HAD NOTIFIED THE FAA OF THE ELEV CHG. THE FAA NOTAM ISSUED FOR THE NEW RWY DID NOT INCLUDE THE ALT CHG DUE TO PROC POLICY. THE PLT HAD LNDD AT THE ARPT SVRL TIMES, BUT THIS WAS TO BE HIS 1ST LNDG ON THE NEW RWY. THE PLT'S LOGBOOK SHOWED A TOTAL OF 118 HRS OF NGT TIME, BUT THE LAST RECORDED NGT FLT WAS 12 YRS BFR THE ACDNT. TWO PLTS AWAITING TAKEOFF SAW THE APCH & INDCD THE ACFT APPEARED LOW ON DWNWND & BASE LEG. THE PLT'S PSN CALLOUTS SOUNDED NML. THE PLT WAS ON MEDICATION (MED) FOR DIABETES & HI BLOOD PRES, WHICH WAS PRESCRIBED BY HIS REGULAR PHYSICIAN. NONE OF THE PRESCRIBED MEDICATIONS WAS DETECTED IN THE PLT'S BLOOD. AN FAA RGNL FLT SURGEON STATED THAT IF THE PLT DISCONTINUED HIS MEDICATION, IT COULD HAVE CAUSED HYPERTENSION AND/OR HYPERGLYCEMIA, WITH A CORRESPONDING DEGREDATION IN HIS NGT VISUAL PERCEPTIVE ABILITY.

Probable Cause: THE PILOTS FAILURE TO MAINTAIN A PROPER DESCENT RATE AND TO ADEQUATELY JUDGE THE ABOVE GROUND ALTITUDE OF THE AIRCRAFT DURING THE APPROACH. FACTORS IN THE ACCIDENT WERE: 1) THE DARK NIGHT CONDITIONS, 2) THE PILOT'S DEGRADED VISUAL PERCEPTIVE ABILITY, AND 3) THE FAILURE OF THE FAA TO DISSEMINATE THE AIRPORT ELEVATION CHANGE INFORMATION IN A TIMELY MANNER.

Accident investigation:
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Investigating agency: NTSB
Report number: LAX92FA033
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report

Sources:

NTSB LAX92FA033

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:22 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
11-Apr-2024 11:27 ASN Update Bot Updated [Time, Other fatalities, Phase, Departure airport, Destination airport, Source, Narrative, Accident report]

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