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ASN Wikibase Occurrence # 37572
Last updated: 22 July 2019
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Date:25-MAR-1989
Time:10:30
Type:Silhouette image of generic C77R model; specific model in this crash may look slightly different
Cessna 177RG
Owner/operator:private
Registration: N2972X
C/n / msn: 177000372
Fatalities:Fatalities: 2 / Occupants: 3
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Albuquerque, NM -   United States of America
Phase: En route
Nature:Private
Departure airport:(4AC)
Destination airport:Phoenix, AZ (DVT)
Investigating agency: NTSB
Narrative:
SURVIVING PAX SAID ACFT BANKED STEEPLY TO LEFT AFTER TAKEOFF AND SHUDDERED. HE SAW PLT REACH FOR FLAP CONTROL HANDLE. PAX REMEMBERED HORN BLOWING IN BACKGROUND. WITNESSES SAID ACFT SPEED AND CLIMB RATE WERE SLOW AND SAW ACFT WOBBLE AND DIP WINGS. ONE WITNESS, IN LINE WITH ACFT TAKEOFF PATH, SAW FLAPS BEING RETRACTED SLIGHTLY. EXAMINATION OF WRECKAGE DISCLOSED FLAP JACKSCREW EXTENDED 10 THREADS OR 1.66 INCHES, EQUIVALENT TO APRX 14 DEG FLAPS DOWN. MANUFACTURER SUGGESTS TAKE OFF WITH FLAPS UP OR 1/4 (7.5 DEG) DOWN. PLT WAS KNOWN TO HAVE HABIT OF STARTING TAKEOFF ROLL WITH FLAPS UP AND, AS LIFTOFF SPEED WAS ATTAINED, TO 'SLAP' FLAP HANDLE DOWN TO DETENT (1/4 OR 7.5 DEG SETTING). EXPERIMENTATION LATER SHOWED THAT IT WAS POSSIBLE TO SLAP FLAP HANDLE INADVERTENTLY PAST DETENT OR FULL DOWN POSITION. CAUSE: THE PILOT'S IMPROPER USE OF FLAPS DURING TAKEOFF WHICH RESULTED IN INADEQUATE AIRSPEED, A STALL, AND LOSS OF CONTROL.

Sources:

NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X27872


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:23 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]

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