- Date
- April 18, 1969
- Place
- Portland, ME · PORTLAND, ME
- Injuries
- 6 uninjured
- Damage
- Substantial damage
- Phase of flight
- Standing
- Aircraft
- N5090YPiper PA-23
- Status
- Completed · report July 22, 1969
- Report
- Brief approved by the director
- Case key
- 184544
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
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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 ---------------------------------------------------------------------------------------------------------------------------- 3-1617 69/4/18 PORTLAND,ME PIPER PA-23 CR- 0 0 2 COMMERCIAL COMMERCIAL, FL.INSTR., TIME - 1100 N5090Y PX- 0 0 4 AIR TAXI-PASSG AGE 24, 1477 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 39 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - PORTLAND TYPE OF ACCIDENT PHASE OF OPERATION GEAR COLLAPSED STATIC: STARTING ENGINE(S) PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL) AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY SYSTEMS - HYDRAULIC SYSTEM: BY-PASS VALVE MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED REMARKS- ANTI-RETRACT POPPET VALVE REINSTALLED BACKWARDS.GR SELECTOR UP,CLOSED VALVE ALLOWED PRES BUILD-UP.
Aircraft
- Registration
- N5090Y
- Reported as
- Piper PA-23
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Portland
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 N5090Y · 2
Matched to the same aircraft by N-number and date.