- Date
- April 10, 1970
- Place
- Silver Springs, MD · SILVER SPRINGS, MD
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Standing
- Aircraft
- N4886Enstrom F-28A
- Status
- Completed · report August 9, 1970
- Report
- Brief approved by the director
- Case key
- 135141
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- 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.
Aircraft
- Registration
- N4886
- Reported as
- Enstrom F-28A
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Rooftop Helipad