Accident
Last updated: 29 August 2014
Status:Definitief
Datum:zondag 12 december 1976
Tijd:23:26
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 300
Vloog voor:Allegheny Commuter
Gehuurd van:Atlantic City Airlines
Registratie: N101AC
Constructienummer: 262
Bouwjaar: 1969
Motoren: 2 Pratt & Whitney Canada PT6A-27
Bemanning:slachtoffers: 1 / inzittenden: 2
Passagiers:slachtoffers: 3 / inzittenden: 8
Totaal:slachtoffers: 4 / inzittenden: 10
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Wildwood-Cape May County Airport, NJ (WWD) (   Verenigde Staten) show on map
Fase: Nadering (APR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Atlantic City-Bader Field, NJ (AIY), Verenigde Staten
Vliegveld van aankomst:Wildwood-Cape May County Airport, NJ (WWD/KWWD), Verenigde Staten
Vluchtnummer: 977
Beschrijving:
Weather was poor around Cape May when Flight 977 approached. The sky was obscured with a 400 feet indefinite ceiling and a visibility of 1-1,5 miles existed. The aircraft was making a runway 23 VOR approach when it collided with the ground 4000 feet short of the threshold.

PROBABLE CAUSE: "The flight crew's lack of altitude awareness during a circling approach permitting the aircraft's flight path to deviate below a safe approach profile. The aircraft's rate of descent and descent flight path angle increased as a result of windshear encountered during visual approach below minimum descent altitude. The flight crew did not recognize these flight path deviations because they were relying on visual references which were degraded by non-homogeneous fog and on kinesthetic cues which were adversely affected by the aircraft's forward centre of gravity resulting from the improperly loaded aircraft. Contributing to the accident was the lack of company procedures requiring altitude-callouts during the visual portion of an approach."

Bronnen:
» ICAO Circular 146-AN/96 (168-183)

Official accident investigation report
investigating agency: National Transport Safety Bureau (NTSB) - USA
report status: Final
report number: NTSB/AAR-77-12
report released:23-NOV-1977
duration of investigation:346 days (11.5 months)
download report: Atlantic City Airlines, Inc., DeHavilland DHC-6, Twin Otter, N101AC, Cape May County Airport, New Jersey, December 12, 1976. (NTSB/AAR-77-12)

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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Atlantic City-Bader Field, NJ en Wildwood-Cape May County Airport, NJ bedraagt 55 km (34 miles).

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