- Date
- February 1, 1969
- Place
- Benicia, CA · BENICIA, CA
- Injuries
- 1 minor, 1 uninjured
- Damage
- Destroyed
- Phase of flight
- Uncontrolled descent
- Aircraft
- N2170UBrantly B-2B
- Status
- Completed · report May 6, 1969
- Report
- Brief approved by the director
- Case key
- 191642
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 ---------------------------------------------------------------------------------------------------------------------------- 3-0218 69/2/1 BENICIA,CALIF BRANTLY B-2B CR- 0 0 1 MISCELLANEOUS COMMERCIAL, AGE 66, 2579 TIME - 1200 N2170U PX- 0 0 1 DEMONSTRATION TOTAL HOURS, 53 IN TYPE, DAMAGE-DESTROYED OT- 0 0 0 NOT INSTRUMENT RATED. TYPE OF ACCIDENT PHASE OF OPERATION COLLISION WITH GROUND/WATER: UNCONTROLLED IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M. FACTOR(S) MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION WEATHER - UNFAVORABLE WIND CONDITIONS WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED WEATHER FORECAST - UNKNOWN/NOT REPORTED SKY CONDITION CEILING AT ACCIDENT SITE UNKNOWN/NOT REPORTED 3000 VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) NONE OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 55 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 240 20 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN VFR NONE REMARKS- PLT TURNED DOWN WIND,20K,TO AVOID CHILDREN.PLT ATTEMPTED TO T/O BEFORE TRANSLATIONAL LIFT EFFECT.
Aircraft
- Registration
- N2170U
- Reported as
- Brantly B-2B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Destroyed
N2170URegistration cancelled Sep 28, 1971 · Brantly B-2BAirframe modelBrantly B-2BEngine modelLycoming O&VO-360 series
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Other investigations on N2170U · 2
Matched to the same aircraft by N-number and date.