- Date
- May 1, 1970
- Place
- San Carlos, CA · SAN CARLOS, CA
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Emergency descent
- Aircraft
- N13470Hughes 269B
- Status
- Completed · report February 23, 1971
- Report
- Brief approved by the director
- Case key
- 130650
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 ---------------------------------------------------------------------------------------------------------------------------- 3-2020 70/5/1 SAN CARLOS,CALIF HUGHES 269B CR- 0 0 2 INSTRUCTIONAL COMMERCIAL, FL.INSTR., TIME - 1530 N13470 PX- 0 0 0 DUAL AGE 25, 2155 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 435 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - SAN CARLOS DEPARTURE POINT INTENDED DESTINATION SAN CARLOS,CALIF LOCAL TYPE OF ACCIDENT PHASE OF OPERATION ENGINE FAILURE OR MALFUNCTION IN FLIGHT: AUTOROTATIVE DESCENT HARD LANDING LANDING: LEVEL OFF/TOUCHDOWN PROBABLE CAUSE(S) PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES ROTORCRAFT - FLIGHT CONTROL SYSTEMS: COLLECTIVE PITCH CONTROL SYSTEM MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND SUSPECTED MECHANICAL DISCREPANCY REMARKS- LOCKNUT P/N269A9957 BACKED OFF.HUGHES SV INFO NOTICE COVERS.
Aircraft
- Registration
- N13470
- Reported as
- Hughes 269B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- San Carlos
N13470Registration cancelled Nov 22, 2003 · Hughes 269BAirframe modelHughes 269BEngine modelLycoming I0360 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 N13470 · 2
Matched to the same aircraft by N-number and date.