- Date
- December 1, 1974
- Place
- Thiells, NY · THIELLS, NY
- Injuries
- 3 fatal
- Damage
- Destroyed
- Phase of flight
- Enroute
- Aircraft
- N274USBoeing 727
- Status
- Completed · report October 17, 1975
- Safety recommendations
- Yes
- Case key
- 79499
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 ---------------------------------------------------------------------------------------------------------------------------- 1-0031 74/12/1 NR.THIELLS,NY BOEING 727 CR- 3 0 0 FERRY AIRLINE TRANSPORT, AGE TIME - 1926 N274US PX- 0 0 0 35, 7434 TOTAL HOURS, DAMAGE-DESTROYED OT- 0 0 0 1973 IN TYPE, INSTRUMENT RATED. OPERATOR - NORTHWEST AIRLINES,INC. DEPARTURE POINT INTENDED DESTINATION NEW YORK,NY BUFFALO,NY TYPE OF ACCIDENT PHASE OF OPERATION STALL: SPIRAL IN FLIGHT: CLIMB TO CRUISE AIRFRAME FAILURE: IN FLIGHT IN FLIGHT: UNCONTROLLED DESCENT PROBABLE CAUSE(S) PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC. SYSTEMS - OTHER SYSTEMS: PITOT SYSTEM WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC. PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT FACTOR(S) AIRFRAME - FLIGHT CONTROL SURFACES: HORIZONTAL STABILIZER, ATTACHMENTS MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT WEATHER BRIEFING - COMPANY DISPATCH WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT SKY CONDITION CEILING AT ACCIDENT SITE BROKEN 2500 VISIBILITY AT ACCIDENT SITE PRECIPITATION AT ACCIDENT SITE 5 OR OVER(UNLIMITED) SLEET OBSTRUCTIONS TO VISION AT ACCIDENT SITE TEMPERATURE-F NONE 34 WIND DIRECTION-DEGREES WIND VELOCITY-KNOTS 70 14 TYPE OF WEATHER CONDITIONS TYPE OF FLIGHT PLAN IFR IFR REMARKS- PITOT HEAT SWITCH NOT ON. FAILED TO RECOGNIZE PITOT ICG.LOST CTL.L HRZNTL STAB FAILED.
Aircraft
- Registration
- N274US
- Reported as
- Boeing 727
- Category
- Airplane
- Engine
- turbo fan
- Damage
- Destroyed
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.