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IFR LOFT Scenario

LOFT: San Diego to San Francisco

Route: KSAN → KSFO

Hub-to-hub STAR flow with "descend via" clearance, NorCal flow control sequencing, and marine layer ILS at SFO.

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Scenario Overview

Hub-to-hub transport-category profile from San Diego to San Francisco with full STAR flow control sequencing. The pilot must manage a "descend via" STAR clearance with multiple altitude and speed constraints while merging into one of the busiest arrival flows in the western US. Designed for structured Vision Jet training and type rating preparation on Aviator.NYC's FAA AATD-approved Cirrus Vision Jet (SF50) simulator with Perspective Touch+ avionics, or the G1000 NXi AATD with King Air B200 turboprop configuration.

FAA WINGS Credit
Master 99554 cr

Complete this LOFT with one of our CFIIs to earn WINGS credit toward your pilot proficiency. Learn more at FAASafety.gov

SIDSTARILSDescend ViaSpeed ControlFlow Metering

Route & Flight Plan

KSAN BRDR2 SHAMU V23 SBA BIGSR2 KSFO
AltitudeFL350
Distance447 nm
ETE1:20

Airport Information

Departure
KSAN
San Diego International Airport
San Diego, CA
Elevation: 17 ft MSL
Runways
RWYLengthSurface
9/279,401 ftasphalt
Frequencies
ATIS134.8
CLR132.35
GND123.9
TWR118.3
APP119.6
DEP125.9
Approaches
ILS RWY 27, RNAV (GPS) RWY 27, LOC BC RWY 9, VOR RWY 27
Destination
KSFO
San Francisco International Airport
San Francisco, CA
Elevation: 13 ft MSL
Runways
RWYLengthSurface
10L/28R11,870 ftasphalt
10R/28L11,381 ftasphalt
1R/19L8,650 ftasphalt
1L/19R7,650 ftasphalt
Frequencies
ATIS118.85
GND121.8
TWR120.5
APP128.325
Approaches
ILS RWY 28L, ILS RWY 28R, RNAV GPS RWY 19L, RNAV GPS RWY 19R, RNAV GPS RWY 28L, RNAV GPS RWY 28R

Weather Scenario

Classic California coastal IFR: San Diego departs VFR with mild sea breezes, while San Francisco sits under a persistent summer marine layer. The marine stratus is driven by Pacific high pressure pushing cold upwelled water against the coast. By the 1930Z arrival window, the fog bank extends across the Bay with surface visibility near 2 miles. The TAF shows a TEMPO period of FG and BKN005, making the ILS the only reliable option. Wind on the SFO approach will be from the west at 16 gusting 22 — a direct crosswind that adds to the challenge.

Departure 11:00L (1800Z)KSANVFR
KSAN 141800Z 28008KT 10SM FEW025 SCT080 20/14 A2996 RMK AO2
Clear coastal morning, light westerly winds, good visibility
Arrival 12:30L (1930Z)KSFOIFR
KSFO 141930Z 28016G22KT 3SM BR HZ FEW003 SCT010 BKN020 15/12 A2994 RMK AO2 SFC VIS 2
Marine layer with fog and haze, ceiling 300 scattered, 1,000 scattered, 2,000 broken, gusty westerly winds

Terminal Aerodrome Forecasts

DepartureKSAN
TAF KSAN 140530Z 1406/1506 28006KT P6SM FEW025 SCT080 FM141200 28008KT P6SM FEW020 SCT060 FM141800 28010KT P6SM SCT025 BKN060 FM150000 VRB04KT P6SM FEW020 SCT050
En RouteKSBP
TAF KSBP 140530Z 1406/1506 31006KT P6SM SCT050 FM141200 30008KT P6SM SCT040 BKN080 FM141800 30010KT 6SM HZ SCT030 BKN060 FM150000 VRB05KT P6SM SCT040
ArrivalKSFO
TAF KSFO 140530Z 1406/1506 28012KT 3SM BR FEW003 SCT010 BKN020 FM141200 28014KT 3SM BR HZ FEW004 SCT012 BKN025 FM141800 28016G24KT 3SM BR HZ FEW003 SCT010 BKN020 TEMPO 1818/1822 2SM FG BKN005 FM150000 28010KT 5SM HZ FEW010 SCT025

Lesson Profile

Scenario timeline with phases, altitudes, and key events
PhaseTimeAltitudeEvents
Briefing & Setup0:00-0:15GroundBrief SID (BRDR2), en route, STAR (BIGSUR2), and ILS 28R approach. Review all altitude and speed restrictions on the STAR. Discuss "descend via" clearance compliance and NorCal flow control expectations.
Departure0:15-0:3017-FL350BRDR2 departure from KSAN RWY 27. Single runway — departure timing matters. Climb through coastal layer, transition to LA Center. Comply with SID altitude constraints.
Cruise0:30-0:55FL350Cruise northbound along the California coast on V23. Monitor SFO weather updates. Brief STAR and approach. Begin top-of-descent planning for the BIGSUR arrival.
STAR & Descent0:55-1:20FL350-3,000"Descend via" BIGSUR2 arrival. Multiple crossing restrictions on altitude and speed. Expect ATC to amend crossing altitudes for flow metering. Transition from Oakland Center to NorCal Approach. Configure for approach while managing energy.
Approach & Landing1:20-1:403,000-13ILS RWY 28R at SFO. Break out of marine layer near minimums. Crosswind from Bay winds. Parallel approach traffic on 28L — maintain awareness of PRM procedures.
Debrief1:40-2:00GroundReview STAR compliance (every crossing restriction), energy management, approach technique in marine layer. Discuss "descend via" versus "cross [fix] at" clearance differences.

Post-LOFT Approach Practice

After the LOFT scenario concludes, practice 2 additional approaches for a total of 3 per session. Session is planned for up to 6 approaches — ask your CFII for additional practice.

Approach 2
KSFO
RNAV (GPS) RWY 28R
GPS overlay approach; compare lateral guidance versus ILS, practice RNP tolerances
Approach 3
KSFO
ILS RWY 28L
Parallel runway ILS; practice PRM awareness and breakout procedures

Training Objectives

Proficiency

  • Execute SID departure from a single-runway Class B airport
  • Comply with "descend via" STAR clearance with crossing restrictions
  • Execute the ILS RWY 28R at SFO in marine layer conditions

Progress

  • Manage energy on a STAR with multiple altitude and speed constraints
  • Interpret and respond to ATC flow control amendments
  • Demonstrate tight speed control inside 10 DME (210 KIAS or less)

Single-Pilot CRM

  • Prioritize tasks during high-tempo STAR compliance
  • Self-brief approach during descent workload
  • Manage go-around decision at a parallel runway complex

Prepare for Your Session

What does "descend via" mean and how does it differ from "cross [fix] at [altitude]"?
"Descend via" authorizes the pilot to follow all published altitude and speed restrictions on the STAR. The pilot manages the descent to meet every constraint. By contrast, "cross [fix] at [altitude]" is a single point instruction that overrides published constraints for that fix. If ATC amends one fix, the remaining published constraints still apply unless explicitly cancelled.
What are the key crossing restrictions on a typical NorCal STAR into SFO?
Northern California STARs (like BIGSUR) have multiple step-down fixes with both altitude and speed requirements. Typical constraints include crossing at or above FL230 at the first fix, speed limits of 280 knots at mid-points, and 250 knots below FL180 (regulatory). Inside 30nm, expect 210 knots or less for sequencing. Missing any constraint disrupts flow for everyone behind you.
Why is KSAN operationally challenging for departures despite good weather?
KSAN has a single runway (9/27) serving all arrivals and departures. This creates departure delays during high-traffic periods. The airport sits in a bowl surrounded by terrain to the east and the Pt. Loma peninsula to the west. SIDs route departures over the ocean initially for noise and terrain clearance before turning on course.
What is PRM and when does it apply at SFO?
Precision Runway Monitor (PRM) applies when SFO operates simultaneous ILS approaches to closely spaced parallel runways 28L and 28R (750 feet apart). Pilots must monitor the PRM frequency and respond immediately to breakout instructions ("turn left/right heading [xxx], climb and maintain [alt]"). PRM is briefed before the approach and the breakout maneuver must be committed to memory.
Instructor Notes
This scenario tests energy management and STAR compliance — the two areas where pilots most commonly fail airline checkrides. Score every crossing restriction: altitude within 100 feet, speed within 10 knots. The marine layer approach at SFO is secondary to the STAR work. If the student nails every constraint on the BIGSUR arrival but has a slightly unstable approach, that is a better performance than a perfect landing after blowing through three crossing restrictions. The "descend via" concept must be understood cold before moving to the approach phase.