NTSB Identification: IAD70DIG13
14 CFR Part 91 General Aviation
Aircraft: ENSTROM F-28A, registration: N4886----------------------------------------------------------------------------------------------------------------------------
FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA
F S M/N PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0660 70/4/10 SILVER SPRINGS,MD ENSTROM F-28A CR- 0 0 1 INSTRUCTIONAL PRIVATE, AGE 43, 5200
TIME - 1140 N4886 PX- 0 0 0 SOLO TOTAL HOURS, 12 IN TYPE,
DAMAGE-SUBSTANTIAL OT- 0 0 0 NOT INSTRUMENT RATED.
NAME OF AIRPORT - ROOFTOP HELIPAD
DEPARTURE POINT INTENDED DESTINATION
SILVER SPRINGS,MD SILVER SPRINGS,MD
TYPE OF ACCIDENT PHASE OF OPERATION
ROLL OVER STATIC: IDLING ROTORS
PROBABLE CAUSE(S)
PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE SUPERVISION OF FLIGHT
FACTOR(S)
WEATHER - UNFAVORABLE WIND CONDITIONS
WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
WEATHER FORECAST - UNKNOWN/NOT REPORTED
SKY CONDITION CEILING AT ACCIDENT SITE
CLEAR UNLIMITED
VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE
5 OR OVER(UNLIMITED) NONE
OBSTRUCTIONS TO VISION AT ACCIDENT SITE RELATIVE BEARING OF WIND
NONE TAIL WIND 158-202 DEGREES
TEMPERATURE-F WIND DIRECTION-DEGREES
63 260
WIND VELOCITY-KNOTS TYPE OF WEATHER CONDITIONS
15 VFR
TYPE OF FLIGHT PLAN
NONE
REMARKS- INSTR STANDING OUTSIDE OF ACFT RELEASED COLLECTIVE LOCK.WHEN ROTOR SPEED WAS APRX 1800 RPM.
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