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Atlas / NTSB / DEN88LA048

NTSB CAROL · Event

Event DEN88LA048

1988-01-09 COLORADO SPRING, Colorado, United States Airport · COS None 1 aircraft Status: Completed

Aircraft involved

Factual narrative

THE PLT CONTACTED GROUND CONTROL & WAS CLEARED TO TAXI FROM A HANGAR ON THE SOUTH END OF THE ARPT TO A HANGAR ON THE NORTH END VIA TWY-A. TWY-A WAS LOCATED 400' WEST & PARALLEL TO RWY 17/35. THE PLT SAID HE WAS AIR TAXIING THE HELICOPTER JUST ABOVE THE SURFACE AT 3 TO 5 KTS WHEN AN AIR FORCE C-141 MADE A TOUCH-&-GO LANDING ON RWY 17. THE C-141 LIFTED OFF ABOUT 500 TO 1000 FT AHEAD OF THE HELICOPTER & WAS AT AN ESTD 50 TO 100 FT AGL WHEN IT PASSED ABEAM OF THE HELICOPTER'S PSN. SHORTLY THEREAFTER, THE HELICOPTER ENCTRD WAKE TURBULENCE FROM THE C-141. THE PLT TRIED TO COMPENSATE FOR PITCHING & ROLLING, BUT THE HELICOPTER TOUCHED DOWN HARD & WAS DAMAGED. THE WIND WAS RPRTD FROM 130 DEG AT 5 KTS. THE PLT WAS CERTIFICATED FOR FIXED WING ACFT & WAS ENDORSED TO AIR TAXI THIS HELICOPTER, MAKE HOVER TURNS & FLY IN GROUND EFFECT BELOW TRANSLATION SPEED (15 KTS). THE ATC HANDBOOK DID NOT SPECIFICALLY ADDRESS AIR TAXIING, BUT IT REQUIRED 3 MIN SEPN BHND A HVY JET DEPG OR MAKING A LOW/MISSED APCH ON THE SAME OR PARALLEL RWY W/I 2500'. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1988_DEN88LA048.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (wake turbulence, turbulence). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗