NTSB CAROL · Event
Event CEN14CA164
Registry · N3398M
FAA Aircraft Registry record.
Make / Model
ENSTROM HELICOPTER CORP 280C
Year of manufacture
1976 · 38 years old at event
TCDS
H1CE · ENSTROM HELICOPTER CORP THE
Engine
LYCOMING HIO-360-C1A (205 hp)
Seats / Engines
3 seats · 1 engine
Last airworthiness date
20251210
ADS-B equipped
Yes — Mode-S A3BABA
Registrant of record
MOTT WILLIAM R
Source: FAA Aircraft Registry (releasable master file).
Aircraft involved
Probable cause & findings
The pilot's failure to adjust the engine's fuel-air mixture and decision to takeoff in high density attitude conditions which degraded the airplane's performance.
Factual narrative
The pilot initiated the takeoff roll from runway 30 with the throttle and mixture control in the full forward position. When the airspeed reached 65 knots, the airplane began to climb and the pilot noticed that the airplane was not accelerating. He flew over the departure end of runway 30 at 100 feet and started a shallow left turn. He noticed that the landing gear indicator lights were illuminated green so he adjusted the landing gear lever down and then up again. The green lights remained illuminated. He then decided to fly to runway 6 and make a forced landing. The airplane was still 100 above the ground and began to lose altitude. The pilot made a forced landing straight ahead into a field and the airplane struck several trees. Prior to departure, the fuel tanks were filled with 40 gallons of fuel and the airplane contained 40 pounds of luggage. The calculated density altitude for the flight was about 7,800 feet. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot initiated the takeoff roll from runway 30 with the throttle and mixture control in the full forward position. When the airspeed reached 65 knots, the airplane began to climb and the pilot noticed that the airplane was not accelerating. He flew over the departure end of runway 30 at 100 feet and started a shallow left turn. He noticed that the landing gear indicator lights were illuminated green so he adjusted the landing gear lever down and then up again. The pilot continued to be distracted when the green lights remained illuminated. He then decided to fly to runway 6 and make a forced landing. The airplane was still 100 above the ground and began to lose altitude. The pilot made a forced landing straight ahead into a field and the airplane struck several trees. Prior to departure, the fuel tanks were filled with 40 gallons of fuel and the airplane contained 40 pounds of luggage. The calculated density altitude for the flight was about 7,800 feet. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. Based on the information gathered, it is likely that the airplanes performance was degraded due to a high density altitude and a rich fuel-air mixture. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12
NTSB Findings
Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).
- C Environmental issues-Conditions/weather/phenomena-Temp/humidity/pressure-High density altitude-Decision related to condition - C
- C Personnel issues-Action/decision-Action-Lack of action-Pilot - C
- — Environmental issues-Physical environment-Object/animal/substance-Tree(s)-Contributed to outcome
- — Personnel issues-Psychological-Attention/monitoring-Attention-Pilot
Verbatim from NTSB's published report. Source file
NTSB_2014_CEN14CA164.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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